---
title: "GPT-5.6 Terra vs Claude Sonnet 5 | OpenRA arena | Evals by Jetty"
url: https://evaljetty.com/openra/games/rr-sonnet5-gpt56terra-g2.html
description: "Claude Sonnet 5 destroyed the enemy base. Watch the full game with both models' reasoning."
updated: 2026-09-28
publisher: Jetty (https://jetty.io)
---

Round robin · rr-sonnet5-gpt56terra-g2

# GPT-5.6 Terra vs Claude Sonnet 5

Claude Sonnet 5 destroyed the enemy base after 16.8 game-minutes · 22.4 min wall clock

[Jetty trajectory](https://jetty.io/jettygrowthteam/openra-arena-match/fc358032)
[Replay (.orarep)](https://evaljetty.com/openra/media/rr-sonnet5-gpt56terra-g2.orarep)
[Decision log](https://evaljetty.com/openra/runs/rr-sonnet5-gpt56terra-g2/decisions.jsonl)
[Runtime config](https://evaljetty.com/openra/runs/rr-sonnet5-gpt56terra-g2/runtime_config.json)

LOSS ukraine · west

GPT-5.6 Terra

openai/gpt-5.6-terra

Value destroyed$29,700Value lost$48,800
Units killed / lost41 / 87Buildings killed / lost4 / 16
Peak army$7,000Orders issued162
Decision turns (failed)126 (0)Mean latency4.2sModel cost$1.063

WIN germany · east

Claude Sonnet 5

anthropic/claude-sonnet-5

Value destroyed$48,800Value lost$29,700
Units killed / lost87 / 41Buildings killed / lost16 / 4
Peak army$8,900Orders issued385
Decision turns (failed)126 (0)Mean latency4.6sModel cost$1.261

## Decision timeline

What each model saw as its situation and what it ordered, every 8 game-seconds. Click a turn to jump the video there.

## Decision timeline

Every 8 game-seconds each model received a text briefing and replied with its reasoning and commands. Time is game time.

- **0:00 GPT-5.6 Terra**: Deploy immediately and establish the standard Soviet economy opening toward a War Factory.
- **0:00 Claude Sonnet 5**: Deploy MCV to start base, then queue power plant and refinery.
- **0:08 GPT-5.6 Terra**: Construction Yard is deployed. Start the standard Soviet economy immediately with power, then refinery and barracks.
- **0:08 Claude Sonnet 5**: Construction yard is set up. Now build power plant then refinery to start economy.
- **0:16 GPT-5.6 Terra**: Construction Yard is deployed with a ready power plant. I will place it immediately and begin the refinery to establish income.
- **0:16 Claude Sonnet 5**: Place the ready power plant, then continue building economy: another power, ore refinery, barracks.
- **0:24 GPT-5.6 Terra**: Power is established and we need immediate income. Start the first refinery, then use its income to expand into barracks and a second refinery.
- **0:24 Claude Sonnet 5**: Continue economy buildout: build ore refinery now that power is available, then barracks.
- **0:32 GPT-5.6 Terra**: First refinery is still under construction. I will preserve cash until it is ready, then place it and immediately start barracks production.
- **0:32 Claude Sonnet 5**: Continue building economy; queue barracks after proc finishes, keep power sufficient.
- **0:40 GPT-5.6 Terra**: The first refinery is still under construction. I will place it as soon as it completes, then immediately establish infantry production and expand ore income.
- **0:40 Claude Sonnet 5**: Ore refinery is building. Queue barracks next and power as needed.
- **0:48 GPT-5.6 Terra**: First refinery is nearly complete; establish income immediately, then add infantry production and a second refinery for sustained Soviet armor production.
- **0:48 Claude Sonnet 5**: Continue economy build-up: proc and tent already queued. Once proc ready, place it. Keep building power as needed.
- **0:56 GPT-5.6 Terra**: First refinery is nearly complete and barracks is queued behind it. I will place the refinery immediately when ready, then establish infantry scouting and expand ore income.
- **0:56 Claude Sonnet 5**: Proc and tent are building. Wait for them to finish, then queue power and war factory.
- **1:04 GPT-5.6 Terra**: Place the first refinery immediately to start income; barracks construction is already queued. We will expand into a tank economy while scouting west toward the likely enemy base.
- **1:04 Claude Sonnet 5**: Place the ready refinery, keep building barracks, queue power plant next for economy growth.
- **1:12 GPT-5.6 Terra**: Barracks is still constructing; economy has one refinery and ample power. Keep the harvester mining, then immediately place the barracks and begin infantry scouting toward the likely enemy start.
- **1:12 Claude Sonnet 5**: Place power plant, continue building tent, queue proc and weap after. Keep economy growing.
- **1:20 GPT-5.6 Terra**: Barracks is ready and the economy has room to expand immediately. Place it, start a second refinery, and produce infantry scouts while keeping the harvester mining.
- **1:20 Claude Sonnet 5**: Continue economy buildup: proc and tent already queued. Add weap after tent completes, keep expanding power as needed.
- **1:28 GPT-5.6 Terra**: Second refinery is underway and the barracks is now available. I will establish infantry scouting pressure toward the likely western enemy base while saving enough cash to place the refinery and start a War Factory immediately afterward.
- **1:28 Claude Sonnet 5**: Continue economy buildup, queue war factory next after tent, keep building.
- **1:36 GPT-5.6 Terra**: Second refinery is still constructing and infantry production is fully queued. Send the initial rifle west to scout toward the likely enemy while saving for the refinery placement and War Factory.
- **1:36 Claude Sonnet 5**: Continue economy buildup while proc, weap, and tent finish. Queue more power once needed.
- **1:44 GPT-5.6 Terra**: Second refinery is nearly ready; place it immediately when available, then save for a War Factory while the barracks continues producing a mixed infantry screen. Scout west toward the likely enemy start and keep the harvester mining.
- **1:44 Claude Sonnet 5**: Base is developing well with proc, weap, tent queued. Keep economy growing and plan future army.
- **1:52 GPT-5.6 Terra**: Second refinery is nearly ready and will strengthen income; keep infantry rallying west while scouts probe toward the likely enemy start. Save for a War Factory immediately after placing the refinery.
- **1:52 Claude Sonnet 5**: Place proc, continue building queue, keep economy growing.
- **2:00 GPT-5.6 Terra**: Place the second refinery immediately to expand income, then add power for the coming War Factory and tank production. Consolidate infantry and rockets westward to scout toward the likely enemy base while keeping production active.
- **2:00 Claude Sonnet 5**: Place power plant, continue building weap and tent. Economy solid with 2 refineries. Queue more power and start planning army.
- **2:08 GPT-5.6 Terra**: Second refinery is supporting two harvesters and the power plant is ready. Place it immediately, keep the infantry stream moving west to locate the enemy, and conserve cash for a War Factory.
- **2:08 Claude Sonnet 5**: Economy running, buildings in progress. Wait for weap/tent to complete, keep building.
- **2:16 GPT-5.6 Terra**: Our infantry scout is advancing toward the likely enemy start and has not encountered resistance. Keep barracks production active while saving income for the War Factory.
- **2:16 Claude Sonnet 5**: Buildings are progressing (weap and tent in queue). Keep economy going, no immediate action needed besides letting production continue.
- **2:24 GPT-5.6 Terra**: Two refineries are supporting the economy, but we need to bank enough for a War Factory rather than spend on more infantry. The scouting column should continue aggressively toward the likely Allied start and reveal their base.
- **2:24 Claude Sonnet 5**: Economy solid, buildings finishing. Keep expanding production and prepare for army buildup.
- **2:32 GPT-5.6 Terra**: Infantry scout is nearing the enemy’s likely western start with no resistance found yet. Preserve cash for the War Factory while pushing the scout force to reveal and pressure the enemy base.
- **2:32 Claude Sonnet 5**: Economy still building. Let production continue; nothing to place yet. Keep queues going.
- **2:40 GPT-5.6 Terra**: Our scouting force is close to the likely enemy start but has not found structures yet. Keep it pushing west while spending available cash on infantry and rallying reinforcements forward; save incoming refinery income for the War Factory.
- **2:40 Claude Sonnet 5**: Continue building economy and army production. War factory almost done, then proc and tent. Keep queue busy.
- **2:48 GPT-5.6 Terra**: Our infantry spearhead is closing on the likely enemy start while the economy is about to afford a War Factory. Keep the force advancing aggressively and preserve continuous ore income.
- **2:48 Claude Sonnet 5**: Economy building up; wait for weap/proc/tent to finish then start training units.
- **2:56 GPT-5.6 Terra**: Our infantry column has reached the enemy approach and has a visible refinery target. Focus-fire it while both harvesters continue mining; save incoming funds for the War Factory.
- **2:56 Claude Sonnet 5**: Enemy infantry group spotted near my base at (20,16), close to my refinery. I should place the ready war factory and get defenses up quickly, then start producing tanks. Priority: place weap, queue power/defense, keep economy going.
- **3:04 GPT-5.6 Terra**: Our infantry spearhead is already at the enemy refinery and should finish it while continuing toward the likely base. Preserve the building queue for a War Factory as ore converts to cash, and keep barracks production active.
- **3:04 Claude Sonnet 5**: Enemy infantry cluster near (20,16) is a threat to my base. I need combat units ASAP - queue light tanks and place sandbags for defense. Keep economy running.
- **3:12 GPT-5.6 Terra**: Our infantry spearhead has reached the enemy approach and already destroyed one building. Keep pressure on the likely base at (12,16) while converting refinery income into a War Factory as soon as funds permit.
- **3:12 Claude Sonnet 5**: Keep production going: proc, tent, tanks in queue already. Enemy infantry near base, need to watch for it. Queue more tanks and defense.
- **3:20 GPT-5.6 Terra**: Our forward infantry force is already at the exposed enemy base, which has only a damaged power plant and Construction Yard visible. Focus-fire both buildings while maintaining infantry production until the War Factory completes.
- **3:20 Claude Sonnet 5**: Enemy infantry mass is right at my doorstep (17-18,13-17). I need defense immediately - keep training tanks and consider pikes/defense structures. Continue economy build too.
- **3:28 GPT-5.6 Terra**: Our forward infantry is inside the enemy base area and their War Factory is exposed. Keep pressure on visible structures while the War Factory finishes for sustained armor production.
- **3:28 Claude Sonnet 5**: Large enemy infantry group near my base threatens my construction yard. Need to place sandbags for defense and mass tanks to counter. Continue tank production and hold position with current tank.
- **3:36 GPT-5.6 Terra**: Our infantry assault is inside the exposed enemy base and their Construction Yard and War Factory are both damaged. Keep all available troops focused on destroying those buildings while continuing rocket and rifle production; War Factory is nearing completion for a stronger follow-up.
- **3:36 Claude Sonnet 5**: Enemy infantry cluster is close to my base; I need to place proc, keep building defenses/tanks, and hold my single tank back until reinforcements arrive.
- **3:44 GPT-5.6 Terra**: Our infantry is already inside the exposed enemy base and their Construction Yard is critically damaged. Finish the visible enemy structures while the eastern reinforcements continue west; place the War Factory immediately when ready and begin armor production.
- **3:44 Claude Sonnet 5**: Enemy infantry swarm right next to my base at (16-18,13-17). I only have 2 tanks - too risky to engage directly, need to defend and mass tanks. Place brik wall near choke, keep tank production going.
- **3:52 GPT-5.6 Terra**: Our infantry assault is inside the exposed enemy base and their damaged War Factory is a priority target. Keep the continuous reinforcement stream attacking west while finishing the current War Factory for tank production.
- **3:52 Claude Sonnet 5**: Enemy infantry cluster near our base at (16-18). Place tent barracks, keep tanks defending, continue tank production.
- **4:00 GPT-5.6 Terra**: Our infantry screen has reached the exposed enemy War Factory while reinforcements stream west. Finish the damaged factory immediately, keep the barracks rallying toward the enemy, and continue infantry production while the War Factory completes.
- **4:00 Claude Sonnet 5**: Enemy infantry group near base (16-19,18) threatens us. Attack with tanks now, keep producing more tanks and defenses.
- **4:08 GPT-5.6 Terra**: Our forward infantry force is already engaging the exposed enemy tanks near their likely base. Place the War Factory immediately, keep pressure west, and begin expanding income for sustained vehicle production.
- **4:08 Claude Sonnet 5**: Enemy infantry near base, attack with tanks. Keep economy running and queue more production.
- **4:16 GPT-5.6 Terra**: Our infantry column is stretched but enemy base is exposed at the west and its three light tanks are the immediate threat. Concentrate all combat units onto the enemy tank group while the refinery and large infantry queue complete.
- **4:16 Claude Sonnet 5**: Enemy infantry swarm nearby - engage with tanks. Place power plant, keep building tanks and defenses.
- **4:24 GPT-5.6 Terra**: Our infantry and rockets are pressuring the exposed enemy base, but three light tanks threaten the forward force. Finish the third refinery for income, focus rockets and nearby infantry on the tanks, then add a Service Depot for heavy-tank production.
- **4:24 Claude Sonnet 5**: Continue fighting nearby infantry with tanks, place gun turret defense, keep massing tanks.
- **4:32 GPT-5.6 Terra**: Our forward infantry are engaging the exposed enemy light tanks near their likely base. Keep pressure west while the refinery finishes, then use the income to add a Service Depot and begin tank production.
- **4:32 Claude Sonnet 5**: Enemy infantry near our base, weak. Attack with tanks to clear them and continue tank production. Keep economy going.
- **4:40 GPT-5.6 Terra**: Our infantry are closing on the likely enemy base while two critically damaged light tanks are exposed. Finish those tanks, keep all forward forces pressuring west, and let the refinery/harvester production complete to fund a depot and heavy armor transition.
- **4:40 Claude Sonnet 5**: Continue clearing nearby enemy infantry and keep tank production rolling. Buildings need repair too since fact is at 28%.
- **4:48 GPT-5.6 Terra**: Our infantry screen has reached the enemy approach and must eliminate the two exposed light tanks before continuing toward the likely base at (12,16). Refinery and harvester production will expand income; keep both trucks mining.
- **4:48 Claude Sonnet 5**: Consolidate tanks, attack nearby enemy infantry threat, keep building tanks and repair fact.
- **4:56 GPT-5.6 Terra**: Our infantry is scattered and enemy light tanks are holding the western approach. Keep the refinery and harvester production progressing, concentrate all combat units against the damaged tanks, then push toward the likely enemy base.
- **4:56 Claude Sonnet 5**: Continue building tank force, clear nearby infantry, keep production going, repair fact.
- **5:04 GPT-5.6 Terra**: The second refinery, harvester, and infantry queues are already consuming all available income. Our surviving infantry are scattered, so I will consolidate them toward the western approach while the economy comes online.
- **5:04 Claude Sonnet 5**: Continue building tank force, cancel excess queued 1tnk duplicates aren't needed since only one builds at a time. Keep repairing fact, push scouting infantry, mass tanks before big push east.
- **5:12 GPT-5.6 Terra**: Our economy is fully committed with a refinery, harvester, and infantry already in production. The scattered forward force should converge aggressively toward the likely enemy base while production completes and funds accumulate for a Service Depot and heavy tanks.
- **5:12 Claude Sonnet 5**: 6 tanks assembled but some damaged; keep queuing tanks and let repaired ones heal before pushing further. Move group together and continue economy.
- **5:20 GPT-5.6 Terra**: Refinery, harvester, and a large infantry queue are underway, so cash is fully committed. Continue the forward push toward the suspected enemy base while new troops rally west; harvesters must keep mining.
- **5:20 Claude Sonnet 5**: Fact still repairing, tanks queued heavily. Group idle tanks and hold near current position, wait for more before pushing toward enemy base at (95,11). Keep training tanks and repairing.
- **5:28 GPT-5.6 Terra**: The third refinery and additional harvester are nearing completion, which will support a transition into Service Depot heavy tanks. Our small scouting force should continue advancing toward the likely enemy base while staying aggressive against anything encountered.
- **5:28 Claude Sonnet 5**: Continue massing tanks, keep production going, group idle tanks and push toward enemy scout position while waiting for reinforcements.
- **5:36 GPT-5.6 Terra**: The refinery and third harvester are nearly complete, so the immediate priority is placing the refinery and scaling into a Service Depot/heavy tanks once income resumes. The exposed enemy light tanks are badly damaged; nearby infantry should finish them while the forward rocket soldier continues scouting west.
- **5:36 Claude Sonnet 5**: Tanks are engaging enemy near (33-37,21-22), some damaged. Continue producing tanks and repair buildings. Push toward enemy visible units and continue toward enemy base.
- **5:44 GPT-5.6 Terra**: Place the third refinery immediately to increase income, then prioritize a Service Depot for heavy tanks. Keep the forward rocket soldier scouting west while the other heads toward the likely enemy approach.
- **5:44 Claude Sonnet 5**: Tanks scattered near (33-37,21-24), some damaged. Consolidate them and continue building more 1tnk. Keep repairing key buildings and push toward enemy base once we have 10+.
- **5:52 GPT-5.6 Terra**: The third refinery is placed and the fourth harvester is nearly complete, but cash is currently committed to rebuilding the economy and the Service Depot. Continue scouting west toward the likely enemy start while preserving income for the Depot and tank production.
- **5:52 Claude Sonnet 5**: Buildings still low HP need repair, keep training tanks, gather army before pushing far to enemy base at (95,11).
- **6:00 GPT-5.6 Terra**: Service Depot is nearly complete and will unlock heavy tank production. A damaged enemy light tank is exposed near our western rocket scout, so eliminate it while the other rocket continues toward the likely enemy base.
- **6:00 Claude Sonnet 5**: Tanks gathering near (35,22), enemy rocket soldier nearby weak. Merge tanks, kill it, then push toward enemy base while keeping production going.
- **6:08 GPT-5.6 Terra**: Service Depot is still under construction and cash is currently exhausted, so preserve the two rocket scouts while refinery income resumes. Continue scouting west toward the expected enemy base and rally new infantry in that direction.
- **6:08 Claude Sonnet 5**: Fact and weap are damaged; repair them. Two tanks badly damaged, pull back to base to heal. Keep massing tanks before pushing to enemy base at (95,11). Keep training more tanks.
- **6:16 GPT-5.6 Terra**: Service Depot is nearing completion; once placed it unlocks Heavy Tanks, our key comeback force. Keep rocket scouts pushing west toward the likely enemy base while all four harvesters maintain income.
- **6:16 Claude Sonnet 5**: I have 6 healthy idle tanks near (38-40,20-23). Let's mass them and push toward enemy base while continuing production. Damaged tanks stay to repair.
- **6:24 GPT-5.6 Terra**: Service Depot is still building and income is fully committed. Keep the scout infantry moving west toward the expected enemy start while setting the War Factory rally forward for tanks once the depot is complete.
- **6:24 Claude Sonnet 5**: Tank group of 5 is at ~(48,27), advancing toward enemy. Two damaged tanks near home should retreat/repair. Keep training more tanks and push the group east toward enemy base at (95,11).
- **6:32 GPT-5.6 Terra**: Service Depot is nearly complete; conserve the damaged rocket soldier while the healthy rocket engages the wounded scout tank. Queue rocket soldiers now so we have anti-tank support until Heavy Tank production begins.
- **6:32 Claude Sonnet 5**: Strike force of 5 tanks near (60-64,26-28) should push toward enemy base at (95,11). Keep training tanks and repair damaged buildings. Idle damaged tanks stay home to defend.
- **6:40 GPT-5.6 Terra**: Service Depot is ready and enables Heavy Tank production. Power remains sufficient, and the enemy scout tank near our forward infantry should be eliminated while we mass an armored strike force westward.
- **6:40 Claude Sonnet 5**: Push the tank group at (69-74) toward enemy base at (95,11). Keep repairing damaged buildings and continue tank production. Damaged tanks stay home defending.
- **6:48 GPT-5.6 Terra**: Service Depot is online and four harvesters should soon fund Heavy Tank production. Three enemy light tanks are close to our western approach, so the rocket soldiers will focus them while the damaged rifleman retreats toward base.
- **6:48 Claude Sonnet 5**: Push strike force toward enemy base, consolidate idle tanks at home into a second group to reinforce, keep repairing buildings and continue tank production.
- **6:56 GPT-5.6 Terra**: Enemy light tanks are threatening our western ore field, so the available rocket soldiers will focus them while all harvesters continue mining. Heavy tanks and additional rockets are already queued; rally new armor toward the western approach.
- **6:56 Claude Sonnet 5**: Strike force near enemy base at (95,11), should push attack on proc #146 and visible units. Send reinforcements east too. Keep training tanks and repairing buildings.
- **7:04 GPT-5.6 Terra**: Enemy light tanks are probing directly beside our ore operation while our heavy tanks and rocket reinforcements are close to completing. Focus the available rockets on the nearest tanks and keep production rallied west toward the expected enemy base.
- **7:04 Claude Sonnet 5**: Push strike force into enemy base to destroy proc, bring reinforcements together. Keep tank production going and repair damaged buildings.
- **7:12 GPT-5.6 Terra**: Enemy light tanks are threatening the western ore area, so the rocket soldiers will focus them while heavy tanks finish production. I will add power for upcoming expansion and keep harvesters mining.
- **7:12 Claude Sonnet 5**: Push remaining tank group toward enemy base at (95,11), keep training more tanks, repair damaged buildings continuing.
- **7:20 GPT-5.6 Terra**: Enemy light tanks are pressing from the west while our rocket soldiers and heavy tank are the immediate defense. Keep focus fire on the closest enemy armor and rally all new units to the western approach.
- **7:20 Claude Sonnet 5**: Tanks are near enemy base at (95,11); consolidate the group and push attack. Keep building tanks and repairing damaged structures.
- **7:28 GPT-5.6 Terra**: Enemy light tanks are threatening the western ore approach, so the heavy tank and rocket soldier will focus them while power is expanded. Keep infantry and tank production queued and repair the damaged refinery.
- **7:28 Claude Sonnet 5**: My tanks are near the enemy base; push attack on their refinery and harvester. Keep producing tanks and repairing buildings. Send idle home tanks to reinforce.
- **7:36 GPT-5.6 Terra**: Our economy is temporarily dry but the third refinery and queued heavy tank/rockets will strengthen us soon. Eliminate the damaged enemy tanks near our ore field while keeping harvesters mining and the heavy tank supported by rockets.
- **7:36 Claude Sonnet 5**: Tanks near enemy base attacking proc #146, keep pushing. Send #225,#230 to join front, keep others attacking. Keep training tanks and repairing damaged buildings.
- **7:44 GPT-5.6 Terra**: Enemy armor is still threatening the western edge of our base, so eliminate it immediately while production completes. Keep the damaged refinery repaired and send the heavy tank to intercept any follow-up threats.
- **7:44 Claude Sonnet 5**: Enemy proc almost dead. Push remaining tanks in, keep pumping 1tnk production, repair damaged units at home.
- **7:52 GPT-5.6 Terra**: Our economy is rebuilding with three harvesters and key production queues already active. The immediate local enemy threat is gone, so the heavy tank and rocket team will scout and pressure toward the likely enemy base while the damaged refinery is repaired.
- **7:52 Claude Sonnet 5**: Cash is huge, need to spend. Keep tank production going, push forward units toward enemy base at (95,11), retreat damaged tanks to repair.
- **8:00 GPT-5.6 Terra**: Our economy is temporarily drained but production is active. Eliminate the damaged enemy tank, keep harvesters mining, and push the available tank/rockets west toward the likely enemy base.
- **8:00 Claude Sonnet 5**: Keep building army and pushing toward enemy base at (95,11). Damaged tanks at home should retreat/repair once fix depot completes. Send fresh tanks to reinforce #230 near enemy.
- **8:08 GPT-5.6 Terra**: Our economy and production are fully committed, but the strike force is too small and damaged to decisively clear the western base alone. Keep the tank and rockets advancing toward the likely enemy location while the refinery, tank, and rocket production complete.
- **8:08 Claude Sonnet 5**: Two damaged tanks stay home to repair, two healthy tanks push toward enemy scouting position. Keep training tanks continuously and let cash flow into more production. Fix depot almost done for repairs.
- **8:16 GPT-5.6 Terra**: All production is active but funds are exhausted, so the priority is to keep the heavy tank advancing west with the healthiest rocket support while harvesters mine. The damaged rocket soldiers should avoid leading fights.
- **8:16 Claude Sonnet 5**: Keep pushing tanks toward enemy base while queuing more production. Damaged tanks stay home; healthy ones continue advance. Economy strong, keep spending.
- **8:24 GPT-5.6 Terra**: Our economy is temporarily empty but refinery, tank, and rocket production are nearing completion. Finish off the exposed enemy light tank with the nearby force while preserving badly damaged rockets and maintaining base defense.
- **8:24 Claude Sonnet 5**: Place service depot, repair damaged tanks, continue tank production, keep pushing toward enemy base with unit #234 cautiously.
- **8:32 GPT-5.6 Terra**: We have strong power and three harvesters but are temporarily broke; the refinery and rocket queues are nearly complete. Push the forward armor/rockets west to finish the damaged light tank and continue scouting toward the likely enemy base, while pulling the critical rocket back.
- **8:32 Claude Sonnet 5**: Damaged tanks should retreat to service depot for repair. Keep spamming 1tnk production and pull #234 back to safety since it's alone near enemy 3tnk. Economy is strong so keep building army and consider adding more power/production.
- **8:40 GPT-5.6 Terra**: The refinery is ready and should be placed immediately to strengthen income. Our scattered western armor/rocket force should continue probing toward the likely enemy base while damaged infantry falls back.
- **8:40 Claude Sonnet 5**: Damaged tanks should repair at depot; keep economy running and training tanks. Cash is huge, add more production.
- **8:48 GPT-5.6 Terra**: Our forward tank group is close to the likely enemy base and should press west immediately while the eastern tank and rockets reinforce. Cash is empty, so keep all harvesters mining and preserve the damaged base rocket.
- **8:48 Claude Sonnet 5**: Economy solid, need to keep producing tanks and power. Send damaged tanks to repair, keep idle ones grouped. Wait for more tanks before attacking enemy base far east.
- **8:56 GPT-5.6 Terra**: Our forward units are near the enemy start and a damaged enemy power plant is exposed. Concentrate the attack there while the trailing tank and rockets close in; keep the critically damaged rocket at home.
- **8:56 Claude Sonnet 5**: Three tanks are heavily damaged (12%,5%,8%) and idle - send them to fix depot. The three healthy tanks at (14,21)/(12,22)/(13,21) can start massing for an attack. Keep training more tanks and maintain power.
- **9:04 GPT-5.6 Terra**: Our forward force is engaging the exposed enemy armor near their damaged power plant, but the low-health tank and rocket need to withdraw. Place the completed refinery to expand income, reinforce the western attack route with healthy units, and keep the enemy power plant under pressure.
- **9:04 Claude Sonnet 5**: Place the ready proc. My tanks near (17,19-21) can attack the weakened enemy 3tnk and e3 nearby. Keep training tanks but don't overqueue further.
- **9:12 GPT-5.6 Terra**: Our economy is strong with four harvesters and heavy tanks already queued. The enemy base is at the western start, so all available combat units should converge there and destroy the exposed harvester and remaining structures.
- **9:12 Claude Sonnet 5**: Power is low, slowing production. Build another power plant. Continue amassing tanks and repair the badly damaged ones near fix depot. Keep attacking toward enemy weak units.
- **9:20 GPT-5.6 Terra**: Enemy light tanks are exposed near our forward heavy tank, while our main base economy remains intact with four harvesters. Focus nearby rockets and the heavy tank on them, and send the fresh heavy west toward the enemy base area.
- **9:20 Claude Sonnet 5**: Low power slowing production; queue more power. Attack the wounded enemy 3tnk with forward group and send reserve tanks to reinforce, then push toward enemy base.
- **9:28 GPT-5.6 Terra**: A replacement refinery is urgent after losing #146, while the heavy tank production should continue. Enemy armor remains concentrated west near the suspected base, so surviving armor and rockets will pressure it together.
- **9:28 Claude Sonnet 5**: Power ready to place, place it. Consolidate tanks and clear remaining enemy units, then push toward enemy base at (95,11).
- **9:36 GPT-5.6 Terra**: The replacement refinery and heavy tank are underway, while our surviving force should keep pressure toward the exposed western enemy start. Ore income should recover once the refinery completes, enabling immediate follow-up production.
- **9:36 Claude Sonnet 5**: Tanks are gathered mid-map, push them further toward enemy base. Keep building economy and tank production.
- **9:44 GPT-5.6 Terra**: Our economy is supporting four harvesters and both a refinery and heavy tank are already in progress. The remaining combat group should continue west through the known enemy armor toward the likely enemy base while production completes.
- **9:44 Claude Sonnet 5**: Place the ready power plant, continue pushing tank group toward enemy base at (95,11), keep training tanks.
- **9:52 GPT-5.6 Terra**: Our forward force has been reduced to a lone damaged Heavy Tank facing five enemy light tanks, so it must retreat rather than feed the enemy more value. Refinery and Heavy Tank are nearly complete; immediately convert them into income and defensive strength, then rebuild an assault group.
- **9:52 Claude Sonnet 5**: Tank group near (54,28) engaging enemy 3tnk. Push toward enemy base at (95,11). Keep training tanks, send idle one to join.
- **10:00 GPT-5.6 Terra**: The refinery is nearly complete and ore income should resume strongly once placed. Keep the damaged heavy tank safe while the healthy heavy tank picks off the weakened enemy armor near the center.
- **10:00 Claude Sonnet 5**: Continue pushing tanks toward enemy base, finish off damaged enemy 3tnk, keep producing tanks. Queue is jammed with 1tnk entries at 0% - looks fine, just training continues.
- **10:08 GPT-5.6 Terra**: A refinery is ready and must be placed to convert stored ore into spending power. Our lone healthy heavy tank should avoid the two nearby light tanks while the crippled tank reaches the depot; then add a second war factory for rapid armor replacement.
- **10:08 Claude Sonnet 5**: Finish off weak enemy tank, continue pushing toward enemy base, keep producing tanks.
- **10:16 GPT-5.6 Terra**: Our army has been nearly wiped, so I will rebuild armor immediately while the five-refinery economy refills. The damaged refinery is being repaired; keep the lone heavy tank home as base security until a new armored group is ready.
- **10:16 Claude Sonnet 5**: Group tanks near (68,25) still pushing toward enemy base at (95,11). Keep training more light tanks and push economy further with cash reserves.
- **10:24 GPT-5.6 Terra**: Our economy and production are committed, with a second War Factory underway and four heavy tanks plus rockets queued. I will keep the lone tank/rocket pair probing west while preserving the five-harvester economy and repairing the critically damaged refinery.
- **10:24 Claude Sonnet 5**: Push tanks toward enemy base, keep producing more tanks and harvesters. Cash is healthy, keep queue full.
- **10:32 GPT-5.6 Terra**: Enemy light tanks are threatening the western ore approach while our heavy tank and rockets are outnumbered. Focus the badly damaged tank, fall back toward the refinery defense area, and keep new armor rallied west.
- **10:32 Claude Sonnet 5**: Tank group near enemy base should push in and attack buildings/units. Keep production rolling, retreat the badly damaged tank, send idle tank to join.
- **10:40 GPT-5.6 Terra**: Two enemy light tanks are inside the western edge of our base and must be eliminated immediately. Our heavy tank and rocket soldiers will focus them while the damaged power plant is repaired when funds permit; production queues remain active.
- **10:40 Claude Sonnet 5**: Place war factory, continue tank production, push tank group toward enemy base to hit their proc/powr, retreat damaged tank.
- **10:48 GPT-5.6 Terra**: Enemy light tanks are threatening the northern edge of our base, so the heavy tank and rocket soldiers must eliminate them while production continues. Our damaged power plant is being repaired; preserve harvesters by keeping them mining behind the defenses.
- **10:48 Claude Sonnet 5**: Keep pressure on enemy base with tanks near it, retreat heavily damaged ones, continue mass 1tnk production and reinforce.
- **10:56 GPT-5.6 Terra**: Our forward force is depleted but enemy units are no longer visible; keep the armor and rockets pressing northwest while the new War Factory finishes. Repair the critically damaged power plant and keep damaged harvesters working safely.
- **10:56 Claude Sonnet 5**: Massive backlog of queued tanks already exists; no need to queue more right now. Focus on repairing damaged tank and keeping economy running. Wait for tanks to mass before pushing toward enemy base at (95,11).
- **11:04 GPT-5.6 Terra**: War Factory is nearly ready and the tank queue is active. I will place it immediately, send the damaged heavy tank to the depot, and push the remaining force west toward the enemy start while maintaining production.
- **11:04 Claude Sonnet 5**: Economy strong, huge tank queue backlog. Keep massing tanks near base, repair damaged one, wait for 8+ before attacking enemy base at (95,11).
- **11:12 GPT-5.6 Terra**: A second War Factory is ready and should be placed immediately to increase heavy tank production. Our forward force is thin, so the damaged tank will repair while the healthier tank and rockets keep probing west toward the enemy start.
- **11:12 Claude Sonnet 5**: Massive tank queue already in progress; economy is healthy with 6 harvesters and full power. I'll just keep waiting for tanks to accumulate before attacking. No immediate action needed besides keeping idle units safe.
- **11:20 GPT-5.6 Terra**: Power is critically low and the damaged plant needs repair; tank production is already queued across factories. I will add power, repair the plant, reinforce with rockets, and keep the mobile force pressing west toward the enemy start.
- **11:20 Claude Sonnet 5**: Only 2 tanks currently, huge backlog queued. Keep producing, add another power plant for safety, and group idle tanks defensively until enough mass to attack.
- **11:28 GPT-5.6 Terra**: Power plant is underway but low power is slowing all production; maintain the armored push west while the new tanks and rockets reinforce. Keep both vehicle factories and barracks queued as ore converts to cash.
- **11:28 Claude Sonnet 5**: Only 3 tanks so far with a massive backlog queued. Keep production running, group idle tanks together, wait for more before attacking. Economy is fine, keep harvesting.
- **11:36 GPT-5.6 Terra**: Power is critically low and the damaged power plant needs repair while the new plant finishes. The forward tank/rocket group should continue west toward the presumed enemy base; reinforcements are moving up from home.
- **11:36 Claude Sonnet 5**: Only 3 tanks so far, still building backlog. Keep economy running and wait for more tanks before attacking. Set idle tanks to defend for now.
- **11:44 GPT-5.6 Terra**: Power is critically low and is slowing our large tank/rocket production queues. Place the completed plant immediately, start another for reserve power, and keep the forward force pushing toward the presumed enemy base while damaged units recover.
- **11:44 Claude Sonnet 5**: Only 4 tanks so far, big queue backlog but only front item progresses. Keep building tanks, hold army near base until we have 8+, then push toward enemy base at (95,11).
- **11:52 GPT-5.6 Terra**: Our production is saturated and ore income is strong. Place the ready power plant, begin a Radar Dome for scouting, repair the damaged power plant, and keep the forward armor/rocket force advancing toward the presumed enemy base in the west.
- **11:52 Claude Sonnet 5**: Economy strong, tanks trickling out. Retreat damaged tank to repair, group healthy tanks and wait to mass before attacking enemy base at (95,11).
- **12:00 GPT-5.6 Terra**: Our forward force is already inside the exposed enemy base and should focus down their production and economy immediately. Reinforcements will continue moving west while the damaged home tank returns to the depot area.
- **12:00 Claude Sonnet 5**: Enemy units clustered near (19-21,13-15) threatening my base. Send idle tanks to engage them, keep building more tanks, and retreat the damaged 1tnk for repair.
- **12:08 GPT-5.6 Terra**: Our forward force is at the exposed enemy base, with their refinery critically damaged. Eliminate the defending tank and finish the refinery/war factory while heavy tank reinforcements continue west; repair the nearly destroyed power plant.
- **12:08 Claude Sonnet 5**: Enemy raiders near my base at (19,13)-(21,15). Consolidate tanks to fight them off, keep producing tanks and harvesters.
- **12:16 GPT-5.6 Terra**: Enemy production is exposed at the western base, while our armored reinforcements are still arriving. Focus the forward force on the War Factory and send all available armor/rockets west to finish the base before more Medium Tanks emerge.
- **12:16 Claude Sonnet 5**: Enemy raiders near my base at (19-21,13-15) with weakened units. Attack with my tanks to clear them, keep producing tanks and harvesters.
- **12:24 GPT-5.6 Terra**: Enemy base remains exposed around 16,17 and our reinforcements are converging from the east. Keep the heavy tanks advancing on the enemy power and armor while the current production queues finish.
- **12:24 Claude Sonnet 5**: Finish off weak enemy infantry near base, repair damaged tank, keep tank production queued and mass forces before pushing toward enemy base at (95,11).
- **12:32 GPT-5.6 Terra**: Enemy base is exposed at the western start with a damaged war factory and power plant. Continue the decisive assault while heavy tanks and rocket soldiers reinforce from the east; repair the nearly destroyed power plant.
- **12:32 Claude Sonnet 5**: Enemy tank near our base; group our tanks to kill it. Keep massing tanks from war factory, add rocket infantry for anti-tank support, and repair damaged tank.
- **12:40 GPT-5.6 Terra**: Enemy base is exposed at x16-20 with its war factory and power plant visible. Commit all combat units to destroy the war factory first, then sweep the remaining base while heavy tanks and rockets continue completing.
- **12:40 Claude Sonnet 5**: Kill weakened enemy 3tnk near base, keep mass producing tanks and rocket infantry, then push toward enemy base at (95,11) once we have a solid force.
- **12:48 GPT-5.6 Terra**: Our production is fully queued and the enemy base area is exposed with only two visible light tanks. Push all surviving combat forces into the enemy start while harvesters keep income flowing; the Radar Dome will be placed as soon as it completes.
- **12:48 Claude Sonnet 5**: Consolidate idle tanks and infantry into a strike force, push toward enemy base at (95,11). Keep production running.
- **12:56 GPT-5.6 Terra**: Our surviving armor and rockets are at the enemy approach, where several damaged and healthy light tanks remain. Keep pressure directly on their likely base location while the queued heavy tanks and rockets complete; place the Radar Dome immediately when ready and preserve the repaired power plant.
- **12:56 Claude Sonnet 5**: Enemy tank #288 nearby damaged; focus fire with tanks and rockets. Keep production running, mass forces before pushing to (95,11).
- **13:04 GPT-5.6 Terra**: Our forward force is at the likely enemy base area and has a visible enemy tank to eliminate. Production is already saturated with heavy tanks and rockets; preserve the damaged heavy tank by sending it to the depot while rockets continue scouting west.
- **13:04 Claude Sonnet 5**: We destroyed enemy tanks (husks remain), only weak infantry visible now. Consolidate army, clear remaining enemies, keep production rolling, then push east toward enemy base at (95,11).
- **13:12 GPT-5.6 Terra**: Cash is fully committed to heavy tanks and rockets, while the enemy’s remaining visible armor is near their suspected western base. Preserve the damaged heavy tank by sending it home, while the nearby rocket soldier pressures the wounded enemy tank; repair the critically damaged power plant.
- **13:12 Claude Sonnet 5**: Small skirmish leftovers to clean up; keep massing tanks/rockets before pushing to enemy base at (95,11). Consolidate idle units and attack the visible enemy infantry.
- **13:20 GPT-5.6 Terra**: Our economy is temporarily empty but five harvesters and four refineries should restore spending soon. Complete and place the Radar Dome, repair the damaged power plant, send the healthy armor west toward the suspected enemy area, and preserve the damaged tank at the depot.
- **13:20 Claude Sonnet 5**: Army group near (27,22) has damaged tanks; consolidate and push toward enemy base at (95,11). Keep training more tanks and rocket soldiers.
- **13:28 GPT-5.6 Terra**: Production is fully committed and cash is exhausted, so preserve the damaged heavy tank while the forward force continues probing west toward the enemy base. Radar Dome should be ready shortly; place it immediately next turn and use its vision to direct the attack.
- **13:28 Claude Sonnet 5**: Army scattered mid-map, some tanks heavily damaged. Consolidate and push toward enemy base at (95,11) while keeping production going.
- **13:36 GPT-5.6 Terra**: Our forward tank has encountered two enemy light tanks while the second heavy tank is returning for repairs. Keep pressure on the enemy approach, preserve the damaged heavy tank, and prepare to place the Radar Dome as soon as construction completes.
- **13:36 Claude Sonnet 5**: Army is scattered across the map heading east. Consolidate remaining units and push toward enemy base at (95,11), keep production going.
- **13:44 GPT-5.6 Terra**: Our armor is critically thin, but three heavy tanks are already queued and five harvesters should restore income soon. Repair the damaged power plant, preserve the healthier tank at the depot, and have the crippled tank trade into the weakest visible enemy tank while new production rallies west.
- **13:44 Claude Sonnet 5**: Army is scattered with low HP; consolidate at frontline near (65,25) then push toward enemy base at (95,11). Keep training tanks and rocket soldiers continuously.
- **13:52 GPT-5.6 Terra**: Cash is fully committed to the active heavy tank and rocket soldier queues, while the Radar Dome is almost ready. I will keep the lone heavy tank probing the last known enemy armor position and immediately use the Dome once it completes.
- **13:52 Claude Sonnet 5**: Consolidate scattered tanks and rocket soldiers into one force and push toward enemy base at (95,11). Keep production queues full.
- **14:00 GPT-5.6 Terra**: Enemy light tanks are threatening the north edge of our base while our only heavy tank is damaged. Pull it to the Service Depot, have the rocket soldier engage from range, and keep armor production running as income arrives.
- **14:00 Claude Sonnet 5**: Push remaining army toward enemy base at (95,11), keep production queued. Consolidate scattered units toward the front.
- **14:08 GPT-5.6 Terra**: Radar Dome is ready and must be placed immediately. Our heavy tank is repairing while enemy light tanks probe close to the base, so the rocket soldier will engage the nearest threat and production should continue into a counterattack force.
- **14:08 Claude Sonnet 5**: My army is spread near enemy base; push forward and focus fire on enemy fact/proc. Keep producing tanks and rocket soldiers.
- **14:16 GPT-5.6 Terra**: Enemy light tanks and rockets are pressuring our western edge while our heavy tanks are still building. Keep the damaged heavy tank repairing, use the rocket soldier to focus the weakened light tank, and rally new armor defensively until a group forms.
- **14:16 Claude Sonnet 5**: Army is near enemy base, continue attacking the damaged refinery and push toward the enemy construction yard. Keep production rolling.
- **14:24 GPT-5.6 Terra**: Enemy armor and rockets are dangerously close to the western edge of our base, but our heavy tank reinforcements are already queued. Keep the damaged heavy tank at the depot, focus the surviving rocket soldier on enemy armor, and have new units rally toward the threatened approach.
- **14:24 Claude Sonnet 5**: Forces near enemy base (89,12-14) should push into the dome/powr. Keep training more units and moving stragglers forward.
- **14:32 GPT-5.6 Terra**: Our field army has been wiped out and enemy light tanks are pressing from the west while production is queued. Preserve the critical heavy tank at the depot, keep income flowing, and repair the nearly destroyed radar dome while the Tesla and replacement forces complete.
- **14:32 Claude Sonnet 5**: Army near enemy base, push attack on dome and power plant. Keep production rolling and merge stray units into the main push.
- **14:40 GPT-5.6 Terra**: Enemy armor and rocket infantry are directly west of the Construction Yard while our new tanks and rockets are still queued. Repair key production buildings and use the critically damaged heavy tank for a final defensive shot at the wounded enemy tank.
- **14:40 Claude Sonnet 5**: My forces are near the enemy base already; push in to finish off the construction yard and barracks. Keep training reinforcements.
- **14:48 GPT-5.6 Terra**: The base is under immediate attack and the Construction Yard is critically damaged. Keep repairs prioritized, finish the Tesla, and rally all incoming units directly into the threatened core while harvesters continue funding the queued armor.
- **14:48 Claude Sonnet 5**: Enemy Construction Yard is at 5% HP and barracks 11% - nearly destroyed! Push all army in to finish them off and win.
- **14:56 GPT-5.6 Terra**: Our Construction Yard and most defenses are gone, and enemy light tanks/rockets are inside the base. Preserve the ore trucks, finish the queued heavy tanks, and use the lone rocket soldier to delay the closest enemy armor.
- **14:56 Claude Sonnet 5**: Almost at enemy base; push remaining forces to finish off buildings and win.
- **15:04 GPT-5.6 Terra**: Enemy light tanks and rocket infantry are directly inside our base while only one rocket soldier survives. Use the ore trucks as emergency blockers/crushers, focus the damaged tank first, and resume harvesting to generate cash for replacement units.
- **15:04 Claude Sonnet 5**: Army is near enemy base already; push attack on their weakened refinery and remaining units to finish them off. Keep production going.
- **15:12 GPT-5.6 Terra**: Our construction and infantry tech are gone, leaving two war factories and five harvesters. Spend incoming refinery income continuously on Mobile Flak to rebuild a mobile defense force, rallying it toward the likely enemy approach from the northwest.
- **15:12 Claude Sonnet 5**: My army is already near enemy base (95,11). Continue attacking to destroy remaining buildings and keep production rolling.
- **15:20 GPT-5.6 Terra**: Both war factories are fully queued with Mobile Flak and all remaining units are harvesters, so the priority is sustaining income and gathering the new vehicles safely at the base. No enemy is currently visible.
- **15:20 Claude Sonnet 5**: My forces are already near enemy base at (95,11) but no enemy buildings visible - likely already destroyed most. Push remaining army forward to finish off any remnants and explore. Keep production going.
- **15:28 GPT-5.6 Terra**: Enemy infantry and a light tank are directly north of our exposed harvesters. Clear the blocked flak queues, focus the nearby attackers with the existing flak, and resume mining while preparing APC production.
- **15:28 Claude Sonnet 5**: Army is near enemy base with no visible enemy units/buildings left there—likely already destroyed. Push forward to explore and finish remnants, keep training units.
- **15:36 GPT-5.6 Terra**: Our base is nearly defenseless and the Mobile Flak queue is wasting all future income. Cancel it immediately, keep harvesters mining, and eliminate the nearby rocket soldier while saving for APCs/armor.
- **15:36 Claude Sonnet 5**: Army is near enemy start but no buildings visible - already destroyed most. Push units to explore further to find remaining structures while keeping production going.
- **15:44 GPT-5.6 Terra**: We have no combat force and must immediately convert stored ore into cash while keeping all five harvesters mining. Enemy armor is close to our base, so the first available funds should go into cheap mobile defense and restored production.
- **15:44 Claude Sonnet 5**: Army is at enemy location (95-99,11-15) but no enemy buildings visible - likely already destroyed most, need to find remaining structures. Push army to explore around enemy start area. Keep production going.
- **15:52 GPT-5.6 Terra**: All remaining assets are economic infrastructure with five harvesters, but no combat force is currently present. Keep every harvester mining and immediately queue cheap mobile defenses/APCs as ore is unloaded.
- **15:52 Claude Sonnet 5**: Army is idle near former enemy base area; likely finished destroying it. Push units to scout further east/south for remaining enemy structures while keeping production going.
- **16:00 GPT-5.6 Terra**: Enemy infantry and a light tank are threatening the ore line from the north. Retreat harvesters south toward the war factories while the queued APCs and flak vehicles complete, then use them to clear the raiders.
- **16:00 Claude Sonnet 5**: Army near enemy base, only one enemy building (proc) visible. Push all units to attack it and scout wider to find remaining buildings for full victory. Keep production going.
- **16:08 GPT-5.6 Terra**: Our base has no economy or construction yard, so immediate survival value comes from using the five harvesters to crush the exposed rocket infantry and focus the two light tanks. Keep the damaged flak alive while the two factories finish their queued vehicles.
- **16:08 Claude Sonnet 5**: Cash is at $0, production is queued but stalled without money. Push my army group near enemy base to destroy weap factories. Keep harvesters mining.
- **16:16 GPT-5.6 Terra**: Enemy tanks and rocket infantry are directly inside our crippled base, and only harvesters are available to delay them. Focus all harvesters on the closest tanks while current APC production completes; preserve the damaged War Factory if funds arrive.
- **16:16 Claude Sonnet 5**: Cash is 0, army near enemy base. Focus attack on weap buildings to finish them off since I'm already close.
- **16:24 GPT-5.6 Terra**: Our remaining base is being overrun and the War Factory is critically damaged. Use the harvesters to crush the rocket infantry and focus the light tanks while repairing the War Factory so queued APCs can emerge.
- **16:24 Claude Sonnet 5**: Army near enemy weap at 22% hp - push to destroy it and continue hunting remaining buildings. Cash is low so hold off new builds; let existing production continue.
- **16:32 GPT-5.6 Terra**: Our base is effectively destroyed and only two harvesters remain operational. Preserve the healthy harvester while using both to eliminate the exposed rocket soldier if possible.
- **16:32 Claude Sonnet 5**: My tank/rocket group is near enemy base with visible harvesters left. Push attack to finish off remaining enemy assets and find hidden buildings. Keep producing since cash flow allows steady queue.
- **16:40 GPT-5.6 Terra**: Our base is effectively destroyed and only damaged harvester husks remain. Use the remaining units to eliminate the visible rocket soldier and scout toward the enemy base for any vulnerable structures.
- **16:40 Claude Sonnet 5**: Enemy base is nearly wiped out with only one power plant visible. Push all army toward it to finish the job while keeping production running.

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Source: https://evaljetty.com/openra/games/rr-sonnet5-gpt56terra-g2.html · Evals by Jetty · Run your own evals: https://jetty.io/?utm_source=evaljetty&utm_medium=llms