---
title: "GPT-5.6 Terra vs Claude Sonnet 5 | OpenRA arena run | Evals by Jetty"
url: https://evaljetty.com/openra/runs/r2-rr-sonnet5-gpt56terra-g2.html
description: "Claude Sonnet 5 destroyed the enemy base. Watch the full game with both models' reasoning and the run's evaluation."
updated: 2026-09-28
publisher: Jetty (https://jetty.io)
---

02 — Run · Round 2 · Round robin · r2-rr-sonnet5-gpt56terra-g2

# GPT-5.6 Terra vs Claude Sonnet 5

Claude Sonnet 5 destroyed the enemy base after 11.7 game-minutes · 16.8 min wall clock

Jetty run bcce8dad
[Replay (.orarep)](https://evaljetty.com/openra/media/r2-rr-sonnet5-gpt56terra-g2.orarep)
[Decision log](https://evaljetty.com/openra/runs/r2-rr-sonnet5-gpt56terra-g2/decisions.jsonl)
[Runtime config](https://evaljetty.com/openra/runs/r2-rr-sonnet5-gpt56terra-g2/runtime_config.json)[Validation report](https://evaljetty.com/openra/runs/r2-rr-sonnet5-gpt56terra-g2/validation_report.json)

LOSS germany · west

GPT-5.6 Terra

openai/gpt-5.6-terra

Value destroyed$10,100Value lost$23,800
Units killed / lost39 / 118Buildings killed / lost2 / 10
Peak army$3,800Orders issued151
Decision turns (failed)88 (0)Mean latency3.9sModel cost$0.648

WIN ukraine · east

Claude Sonnet 5

anthropic/claude-sonnet-5

Value destroyed$23,800Value lost$10,100
Units killed / lost118 / 39Buildings killed / lost10 / 2
Peak army$14,150Orders issued293
Decision turns (failed)88 (0)Mean latency5.0sModel cost$0.668

## Evaluation

passchecks **10/10** verdict computed from the gating checks

| Status | Kind | Check | Detail |
| --- | --- | --- | --- |
| pass | step | environment | Environment check (snapshot, engine, content, key) |
| pass | step | launch | Launch run-match as a detached process |
| pass | step | supervise | Supervise in the foreground until run-match exits |
| pass | step | render | Render the 1080p recording |
| pass | step | notes | Append Notes to summary.md |
| pass | code\_check | outputs-exist | all present |
| pass | code\_check | game-has-winner | sonnet5 won: base destroyed |
| pass | code\_check | decisions-logged | turns per slot: {'Multi0': 88, 'Multi1': 88} |
| pass | code\_check | llm-turns-valid | failed/total per slot: {'Multi0': '0/88', 'Multi1': '0/88'} |
| pass | code\_check | video-decodes | duration 118.9s |
| pass | code\_check | video-complete | video ends at tick 17534 of 17534 |
| pass | code\_check | limits-respected | ended after 16.8 wall-minutes (budget 30.0 min): base destroyed |
| pass | checklist | notes-explain-win | summary.md Notes section cites final thoughts of both models and explains Sonnet 5 won by destroying Terras base after consistent economic dominance |
| pass | checklist | players-match-request | result.json records Multi0=gpt56terra and Multi1=sonnet5 matching the requested west and east players |
| pass | checklist | no-silent-outage | run.log shows 88 turns per player with zero LLM failures and no gaps or silent stretches |

## 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 begin the standard economic opening. Enemy is likely far to the west, so prioritize fast refinery and infantry access before scouting.
- **0:00 Claude Sonnet 5**: Deploy MCV to start base construction.
- **0:08 GPT-5.6 Terra**: Construction Yard is deployed and the power plant needs to be started immediately. I will follow with a refinery as soon as power is available.
- **0:08 Claude Sonnet 5**: Start economy: build power plant then refinery.
- **0:16 GPT-5.6 Terra**: Deploying the opening power plant immediately and starting ore income. Enemy is likely far west, so establish a strong two-refinery economy before advancing.
- **0:16 Claude Sonnet 5**: Place power plant, then queue refinery and barracks to start economy.
- **0:24 GPT-5.6 Terra**: Construction Yard and initial power are established. Start the first refinery immediately to unlock income, then follow with barracks and a second refinery.
- **0:24 Claude Sonnet 5**: Power plant already built. Now build ore refinery for economy, then barracks and war factory.
- **0:32 GPT-5.6 Terra**: First refinery is still building. I will preserve cash for immediate placement and then establish barracks-based scouting and a second refinery.
- **0:32 Claude Sonnet 5**: Continue economy build: proc is building, queue power and barracks next once affordable. No units yet to command.
- **0:40 GPT-5.6 Terra**: Refinery is nearing completion; placing it immediately will provide the first harvester and enable sustained production. Enemy is likely far west, so the first infantry will scout that direction.
- **0:40 Claude Sonnet 5**: Proc still building. Wait and queue barracks next once proc placed. Keep economy plan going.
- **0:48 GPT-5.6 Terra**: The first refinery is nearly ready; I will place it immediately next turn, then establish infantry production and begin scouting west toward the likely Soviet base.
- **0:48 Claude Sonnet 5**: Continue base setup: proc almost done, keep building power and barracks queued for economy and army.
- **0:56 GPT-5.6 Terra**: The first refinery is nearly complete; place it immediately and start infantry infrastructure. I will use early scouts to locate the Soviet base while expanding income toward a war factory.
- **0:56 Claude Sonnet 5**: Proc almost done, will place it once ready. Continue economy build-up with barracks queued next.
- **1:04 GPT-5.6 Terra**: The first refinery is ready and must be placed immediately to start income. Barracks construction is underway; once placed, infantry will scout west toward the likely enemy start.
- **1:04 Claude Sonnet 5**: Place refinery near base, keep power building, queue barracks next for economy start.
- **1:12 GPT-5.6 Terra**: Barracks is nearly complete and the first refinery is operating. I will keep the harvester mining, place the barracks immediately when ready, then expand with a second refinery and start infantry scouting.
- **1:12 Claude Sonnet 5**: Continue building barracks and power, then war factory for tanks. Keep economy growing.
- **1:20 GPT-5.6 Terra**: Barracks is ready; establish infantry scouting while adding a second refinery to accelerate the economy. Enemy is likely far west, so use riflemen to reveal the central approach safely.
- **1:20 Claude Sonnet 5**: Place barracks, keep building power, then queue war factory and second refinery for economy scaling.
- **1:28 GPT-5.6 Terra**: Second refinery is under construction and the barracks is online. I will establish a westward scouting force while maintaining economic expansion, then transition into a War Factory.
- **1:28 Claude Sonnet 5**: Continue building economy and army production. Queue infantry from barracks while war factory and power finish.
- **1:36 GPT-5.6 Terra**: Second refinery is nearing completion; preserve cash for a War Factory immediately afterward. Scout west with the rifleman while the harvester resumes mining and infantry queues complete.
- **1:36 Claude Sonnet 5**: Continue building economy, train more infantry while waiting for war factory. Keep queue busy.
- **1:44 GPT-5.6 Terra**: Second refinery is nearly complete, so I will place it immediately when ready and add power for the coming war factory. Infantry will continue building while the scout advances west toward the enemy start.
- **1:44 Claude Sonnet 5**: Continue economy and army buildup while weap and powr finish. Train more infantry and prepare to build second refinery.
- **1:52 GPT-5.6 Terra**: Second refinery is nearly complete and power is queued behind it. Send the available infantry west in a combined scouting force toward the likely Soviet base while continuing to build economy for a War Factory.
- **1:52 Claude Sonnet 5**: Weap and powr building. Keep infantry training and hold at base. Once weap done, start tank production and second proc.
- **2:00 GPT-5.6 Terra**: Second refinery is ready and will strengthen income with another harvester. Our scouts should continue west toward the likely Soviet start while infantry production continues; save toward a War Factory once power and income permit.
- **2:00 Claude Sonnet 5**: Weap and powr in progress. Keep economy growing and start massing infantry. Once weap done, build fix depot for tanks and start tank production.
- **2:08 GPT-5.6 Terra**: Place the completed power plant and save incoming refinery income for a War Factory. Continue the scouting force directly toward the likely enemy base while infantry production remains queued.
- **2:08 Claude Sonnet 5**: War factory almost done. Continue building power then fix depot and second refinery. Keep training rocket soldiers, group idle infantry.
- **2:16 GPT-5.6 Terra**: Our infantry scouting force is advancing toward the likely enemy base, while the economy is banking toward a War Factory. Keep infantry production continuous and push the whole combat group west aggressively.
- **2:16 Claude Sonnet 5**: War factory ready to place. Continue economy and army buildup, place weap, queue fix depot and second proc soon. Keep training rocket soldiers.
- **2:24 GPT-5.6 Terra**: Our infantry/rocket force is advancing west toward the likely enemy start while the two refineries fund a War Factory. Keep infantry production active and avoid unnecessary power or defenses.
- **2:24 Claude Sonnet 5**: Economy building, keep training infantry and building second refinery/power. Group idle units to defend base for now until army bigger.
- **2:32 GPT-5.6 Terra**: Our infantry and rockets are advancing across the map toward the likely Soviet start, but no enemy has been scouted yet. Preserve cash for the War Factory while keeping the force moving west as a single attacking group.
- **2:32 Claude Sonnet 5**: Continue economy buildup and infantry production while proc/powr finish. Keep army idle near base until stronger.
- **2:40 GPT-5.6 Terra**: Our infantry column is nearing the enemy’s likely start and has spotted an exposed harvester. Keep pressure on it while saving income for the first War Factory; continue rocket production for eventual vehicle support.
- **2:40 Claude Sonnet 5**: Economy building underway. Keep training infantry, prepare defenses. Enemy scout nearby but not a threat yet.
- **2:48 GPT-5.6 Terra**: Our infantry spearhead has reached the enemy approach and has spotted an exposed harvester. Focus it down while the full force pushes into the likely enemy base area; continue infantry production until War Factory funds are available.
- **2:48 Claude Sonnet 5**: Economy building underway with proc and powr queued. Army growing with e1/e3. Enemy scouts nearby but not a threat yet. Continue training infantry and building second refinery/power, prepare to mass army before attacking.
- **2:56 GPT-5.6 Terra**: Our infantry and rockets have reached the enemy approach and their War Factory is exposed at (15,14). Focus it immediately while keeping infantry production running; this should cripple Soviet vehicle production before their base expands.
- **2:56 Claude Sonnet 5**: Enemy scouts nearby (19,10-15). Consolidate infantry and push to eliminate them while continuing production of economy and army.
- **3:04 GPT-5.6 Terra**: Our infantry and rockets are strung across the route to the exposed enemy base area. Keep pressing northwest with all combat units while income builds toward a War Factory for tanks.
- **3:04 Claude Sonnet 5**: Kill the scout near base, keep economy building, and continue training troops. Not enough army yet to push to enemy base at (95,11).
- **3:12 GPT-5.6 Terra**: Our infantry column is advancing northwest toward the known enemy position, but we need more cash for a War Factory. Keep pressure on the enemy base while harvesters fund armor production.
- **3:12 Claude Sonnet 5**: I have a decent force of 13 idle infantry. Time to push toward enemy base at (95,11) while continuing production. Also queue more harvesters for economy.
- **3:20 GPT-5.6 Terra**: Our infantry column is in contact with the enemy screening force near their likely base. Keep pressing northwest to clear it and reveal buildings while continuously reinforcing with rifles until we can afford a War Factory.
- **3:20 Claude Sonnet 5**: Army is grouped near (25,19), push toward enemy base at (95,11) while continuing production. Kill the weak enemy infantry.
- **3:28 GPT-5.6 Terra**: Our infantry and rockets are advancing toward the likely Soviet base while both refineries support a coming War Factory. Preserve cash for the factory and keep the force moving northwest to engage the reported enemy concentration.
- **3:28 Claude Sonnet 5**: Army is grouped at (30-32,22-24), push toward enemy base at (95,11). Keep production running.
- **3:36 GPT-5.6 Terra**: Our infantry spearhead is close to the enemy’s likely southwest start, but no structures are visible yet. Continue the coordinated attack-move and keep barracks production active while saving toward a War Factory.
- **3:36 Claude Sonnet 5**: Continue pushing army toward enemy base while economy builds. Keep production going.
- **3:44 GPT-5.6 Terra**: Infantry spearhead is advancing across the map toward the likely Soviet start, while our economy is about to fund a War Factory. Keep the attack moving and preserve cash for armor production.
- **3:44 Claude Sonnet 5**: Army near (48,25), enemy scout visible. Push attack toward enemy base at (95,11). Keep economy running - proc and powr building, need more harvesters and production.
- **3:52 GPT-5.6 Terra**: Our infantry column has reached enemy scouts and should press west toward the likely base. Cash is below War Factory cost, so keep the barracks spending efficiently while ore income accumulates.
- **3:52 Claude Sonnet 5**: Army is near enemy scout, push forward. Keep economy growing with power and harvester.
- **4:00 GPT-5.6 Terra**: Infantry is closing on enemy scouts while our economy saves for the critical War Factory. Keep the column advancing directly toward the likely enemy base and do not delay the factory timing with extra spending.
- **4:00 Claude Sonnet 5**: Army is grouped near (58,28), pushing toward enemy base at (95,11). Continue attack move, keep training infantry and building economy.
- **4:08 GPT-5.6 Terra**: Infantry are advancing through the center toward the likely Soviet start and have no current contact. I will keep the barracks producing while saving the immediate cash flow for a War Factory.
- **4:08 Claude Sonnet 5**: Consolidate army and push toward enemy base at (95,11), keep production flowing for economy and reinforcements.
- **4:16 GPT-5.6 Terra**: Two refineries and ample power are established, but our infantry need to keep scouting toward the enemy start while we save for a War Factory. Do not spend the remaining cash on static defenses; transition to vehicles immediately at $2000.
- **4:16 Claude Sonnet 5**: Continue push toward enemy base, keep economy building, queue more units.
- **4:24 GPT-5.6 Terra**: Our rifle column is close to the enemy approach and should continue west while eliminating the visible rocket soldier. Preserve cash for a War Factory; ore income from two harvesters should bring us there shortly.
- **4:24 Claude Sonnet 5**: Army is close to enemy base, continue push. Economy needs more harvesters and power. Queue is bloated with duplicate infantry orders from before; let it continue producing as it clears. Keep attacking enemy base.
- **4:32 GPT-5.6 Terra**: Enemy infantry and a rocket soldier are threatening the north edge of our base, while our rifle column is spread across the map. Keep barracks production running and have the army eliminate the nearby rocket threat before resuming the push west.
- **4:32 Claude Sonnet 5**: Army near enemy base, continue push. Economy queue is huge and redundant; let it process. Keep attacking enemy base at (95,11) with all army.
- **4:40 GPT-5.6 Terra**: We are critically low power and need a new plant immediately before pushing tech. Enemy infantry are exposed just north of our base, so all available rifles should eliminate them while the queued reinforcements continue.
- **4:40 Claude Sonnet 5**: Cash is at $0, so can't add new production. Continue pushing my wounded army toward enemy base to keep pressure and let economy recover with existing queue. Rally idle units to join the attack force.
- **4:48 GPT-5.6 Terra**: Power is the immediate bottleneck, with the plant already underway. Our infantry mass is positioned near the base and should eliminate the nearby enemy scouts while harvesters keep income flowing.
- **4:48 Claude Sonnet 5**: Cash is $0 and I have way too many queued infantry orders that will never complete. Need to cancel excess queue items and focus on finishing proc/powr and getting harvester income going again.
- **4:56 GPT-5.6 Terra**: Power is critically low and the nearly complete plant must be placed before expanding vehicle production. Our infantry are idle in a forward line, so they will push west toward the likely Soviet base while production continues.
- **4:56 Claude Sonnet 5**: Place proc, keep building economy and army. Cancel excess queued infantry to avoid overload, focus on core production.
- **5:04 GPT-5.6 Terra**: Immediate priority is restoring power so production and income recover. Our infantry column is advancing west toward the likely Soviet base and should continue scouting aggressively while reinforcements rally forward.
- **5:04 Claude Sonnet 5**: Low power slowing production; need more power plants. Keep economy building, queue more infantry/tanks once power fixed.
- **5:12 GPT-5.6 Terra**: Our infantry spearhead is nearing the likely Soviet base and has spotted a damaged rocket soldier. Place the finished power plant, keep the infantry pressure west, and use the remaining funds for a second barracks once placement frees construction.
- **5:12 Claude Sonnet 5**: Low power slowing production. Focus on finishing power plant, keep economy growing, retreat wounded rocket soldier, continue training.
- **5:20 GPT-5.6 Terra**: Our rifle column is advancing west while the second barracks is nearly ready. Keep infantry production continuous, push the healthy rear/base rifles toward the western front, and save income for a War Factory as soon as the barracks is placed.
- **5:20 Claude Sonnet 5**: Low power is slowing everything down. Let priority go to finishing the power plants, keep economy building, and stop overqueuing infantry we can't afford yet.
- **5:28 GPT-5.6 Terra**: Our rifle force is already spread across the map and no enemy is visible, so I will consolidate its pressure westward toward the likely enemy start. Place the ready barracks and rally new infantry toward the central advance route while saving income for a War Factory.
- **5:28 Claude Sonnet 5**: Low power slowing production. Let queue finish powr; keep training infantry cheap and continue toward assembling attack force. Keep econ moving.
- **5:36 GPT-5.6 Terra**: Our rifle mass is crossing the map toward the likely Soviet start, but we still need money for a War Factory. Keep pressure west while both harvesters mine and infantry production continues.
- **5:36 Claude Sonnet 5**: Place the ready power plant to fix power shortage, keep queues going. Small army idle, hold for now until more units ready.
- **5:44 GPT-5.6 Terra**: Our rifle mass has reached the enemy approach and has located an exposed harvester near the likely start. Keep all infantry pressing west, eliminate the harvester, and rally new infantry directly into the attack route while income accumulates for a War Factory.
- **5:44 Claude Sonnet 5**: Enemy infantry squad near base at (19-21,15-16), too small to worry my defenses yet. Keep production flowing, mass idle units defensively, continue building army for eventual push east.
- **5:52 GPT-5.6 Terra**: Our rifle force is inside the exposed enemy base and their refinery and war factory are visible. Focus nearby squads directly onto both buildings while the trailing column continues attack-moving west; income should soon fund a War Factory.
- **5:52 Claude Sonnet 5**: A sizable enemy infantry group (10 units) is right near my base at (19-20,15/16). My small force can't fight them yet. I'll hold defensively, keep training infantry, and start producing tanks from the war factory once possible.
- **6:00 GPT-5.6 Terra**: Our rifle mass is already deep in the enemy base area and the exposed refinery is badly damaged. Keep all infantry pressing west to finish visible structures while income accumulates for a War Factory.
- **6:00 Claude Sonnet 5**: Large enemy infantry group (17 e1) massed near my base at (19-20,15-16). I need to consolidate my infantry and rocket soldiers to defend, place the ready power plant, and keep production going. Focus fire on the enemy stack before they overwhelm us.
- **6:08 GPT-5.6 Terra**: Our infantry column has reached the enemy refinery, which is nearly destroyed; finish it and press into the enemy start area. Keep both barracks producing rifles while harvesters maintain income for a War Factory.
- **6:08 Claude Sonnet 5**: Enemy infantry blob still near base, engage with my army and continue production. Build fix for tanks and keep training.
- **6:16 GPT-5.6 Terra**: Our infantry swarm is inside the exposed enemy base and the damaged War Factory is the priority. Keep all troops aggressively clearing the enemy start while income converts stored ore for a War Factory.
- **6:16 Claude Sonnet 5**: Enemy infantry swarm at my base entrance. I have almost no cash and few units. Need to defend with what I have and let production continue once cash comes in from harvesters.
- **6:24 GPT-5.6 Terra**: Our infantry line has reached the enemy base and should focus the damaged War Factory, then the Construction Yard. War Factory construction is underway; keep pressure while ore income resumes.
- **6:24 Claude Sonnet 5**: Enemy infantry blob near base (14-21,14-20). Place ready power plant, defend with existing infantry, keep training troops.
- **6:32 GPT-5.6 Terra**: Our infantry column has reached the enemy base and their War Factory is badly damaged. Focus all available combat units on destroying the War Factory, then eliminate the exposed power plant while the War Factory completes.
- **6:32 Claude Sonnet 5**: Enemy infantry swarming near our base; several already heavily damaged. Consolidate defenders and counterattack with stance attack_anything, focus fire on cluster at (19-21,14-18). Keep infantry training going, no cash for now.
- **6:40 GPT-5.6 Terra**: Our infantry column has reached the enemy base and their War Factory is badly damaged. Keep all available infantry focused on destroying it, then sweep the remaining visible enemy units while the War Factory finishes.
- **6:40 Claude Sonnet 5**: Enemy infantry swarm right at my base entrance. Attack them with all my army before they do damage, keep production rolling.
- **6:48 GPT-5.6 Terra**: Our infantry column has reached the enemy approach and their exposed War Factory is badly damaged. Focus all available combat units on finishing it while the second War Factory completes for a vehicle transition.
- **6:48 Claude Sonnet 5**: Enemy infantry swarm near base; consolidate defense with all army attacking them. Cash is $0 so production is stalled anyway - let queued items finish as ore comes in.
- **6:56 GPT-5.6 Terra**: Our infantry are already deep in enemy territory and should keep pressuring the likely base area while the War Factory finishes. Keep both harvesters mining and immediately place the factory when ready next turn.
- **6:56 Claude Sonnet 5**: Low cash, defending base against enemy infantry scout. Keep production queued and defend with available units.
- **7:04 GPT-5.6 Terra**: Our infantry column is at the enemy base and their damaged War Factory is exposed; destroy it immediately while continuing infantry production. The economy is temporarily drained, so preserve harvesters and wait for the War Factory construction to complete.
- **7:04 Claude Sonnet 5**: Enemy infantry harassing near our base. Need to defend with rocket soldier and queue more infantry. Keep economy running, wait for fix depot to finish for tanks.
- **7:12 GPT-5.6 Terra**: Our infantry has reached the exposed enemy War Factory and should finish it immediately. Keep the attack pressure concentrated while the new War Factory completes, then place it as soon as funds permit.
- **7:12 Claude Sonnet 5**: Enemy infantry group near (19,x) harassing. Place fix depot, attack with idle infantry/rocket soldier, keep training more troops.
- **7:20 GPT-5.6 Terra**: The enemy War Factory is nearly destroyed and our forward infantry can finish it while pressuring the exposed harvester and Service Depot. Our War Factory will be ready shortly; maintain the offensive and immediately place it next turn.
- **7:20 Claude Sonnet 5**: Enemy infantry cluster near (19,14-18) close to my base, threatening. Group my idle infantry and rocket soldier to defend/counter-attack. Keep training more units and get War Factory finished for tanks.
- **7:28 GPT-5.6 Terra**: Our infantry has reached the enemy base area and the visible Service Depot is vulnerable. The War Factory is nearly complete; finish the enemy depot while new infantry rallies west for the final building hunt.
- **7:28 Claude Sonnet 5**: Enemy infantry cluster near our base; attack with our army to wipe them out. Continue building economy and get a War Factory for tanks.
- **7:36 GPT-5.6 Terra**: War Factory is nearly complete and infantry production is already queued. No enemies are currently visible, so the dispersed rifle squads should converge and continue attacking toward the known western enemy base area.
- **7:36 Claude Sonnet 5**: Enemy infantry near base, finish them off with idle army. Keep training and building war factory.
- **7:44 GPT-5.6 Terra**: War Factory is nearly ready and must be placed immediately to restore armored production. Our scattered infantry should continue the westward attack toward the known enemy base area while both barracks keep feeding the advance.
- **7:44 Claude Sonnet 5**: No enemies visible now; consolidate infantry into a group, keep producing units and let weap factory finish for tanks. Economy is fine, keep training e3/e1.
- **7:52 GPT-5.6 Terra**: War Factory is nearly complete while our infantry pressure continues toward the known enemy side. Keep all barracks queues producing and consolidate the advancing infantry westward.
- **7:52 Claude Sonnet 5**: Weap factory almost done. Keep infantry production and gather idle units into a strike force near base, then push toward enemy once tanks arrive.
- **8:00 GPT-5.6 Terra**: War Factory is nearly complete and the infantry screen is closing on the enemy's likely western base. Keep all infantry advancing aggressively while income resumes for immediate vehicle production once the factory is placed.
- **8:00 Claude Sonnet 5**: Weap factory almost done, keep infantry attack moving east toward enemy base while continuing production. Queue more e3/e1 and start heavy tanks once weap ready.
- **8:08 GPT-5.6 Terra**: War Factory is ready and must be placed immediately to unlock tank production. Our infantry are already advancing west toward the likely enemy base, while both harvesters continue feeding the economy.
- **8:08 Claude Sonnet 5**: War factory almost done; keep infantry pushing east toward enemy base at (95,11), continue training more troops, and once weap finishes start building tanks.
- **8:16 GPT-5.6 Terra**: War Factory is online and the infantry screen is advancing toward the likely Soviet start. I will rally new armor west and keep both infantry queues feeding reinforcements while ore income rebuilds cash.
- **8:16 Claude Sonnet 5**: War factory nearly ready; keep training infantry, send idle troops to the front group, and once weap completes start building tanks. Army group at (32-33,24) should push toward enemy base at (95,11).
- **8:24 GPT-5.6 Terra**: Cash is temporarily exhausted but both refineries are operating and three rocket soldiers are queued. Existing rifle squads will continue west toward the likely Soviet base while production rallies forward.
- **8:24 Claude Sonnet 5**: Weap factory ready, place it and start tank production. Continue pushing main army group east toward enemy base, merge idle infantry into it.
- **8:32 GPT-5.6 Terra**: Our base is powered with two refineries, but the visible army is extremely small after heavy losses. Keep both barracks producing rockets and push the current scouts west toward the likely enemy start while the war factory rally stays forward.
- **8:32 Claude Sonnet 5**: Fix is ready, queue heavy tanks now. Consolidate scattered infantry and push main force toward enemy base.
- **8:40 GPT-5.6 Terra**: Our forward infantry has contact near (55,28), while the enemy base is still likely farther west. Keep pressure on the visible defenders, rally reinforcements forward, and queue armor plus a third refinery for sustained economy.
- **8:40 Claude Sonnet 5**: Army split near (54,28)/(41,23). Consolidate and push toward enemy base at (95,11). Keep production running.
- **8:48 GPT-5.6 Terra**: Our production is fully committed and the third refinery will strengthen income once ore arrives. The small forward force should eliminate the exposed enemy infantry group while tank reinforcements rally west for a larger push toward the enemy start.
- **8:48 Claude Sonnet 5**: Continue push toward enemy base with all army groups merging, keep production going.
- **8:56 GPT-5.6 Terra**: Our economy is converting stored ore and both barracks plus the War Factory have deep queues. Continue the refinery, place it immediately when ready, and send available infantry toward the last enemy contact while reinforcements rally there.
- **8:56 Claude Sonnet 5**: Continue pushing army toward enemy base at (95,11), consolidate scattered units and keep production going.
- **9:04 GPT-5.6 Terra**: Refinery and large infantry/tank queues are underway, with strong power and two harvesters already mining. I will push the available scouts toward the last enemy contact while completed production rallies west for a consolidated assault.
- **9:04 Claude Sonnet 5**: Continue pushing toward enemy base, consolidate scattered units, keep production running.
- **9:12 GPT-5.6 Terra**: Our prior army was wiped, but both production structures are fully queued and a third refinery is underway. Keep income flowing, rally reinforcements west toward the suspected enemy area, and use the lone rifleman to scout safely ahead.
- **9:12 Claude Sonnet 5**: Army scattered along path east; consolidate and push toward enemy base at (95,11). Keep training tanks/infantry.
- **9:20 GPT-5.6 Terra**: Our production queues are fully committed and the refinery will soon expand income. Keep all emerging combat forces converging westward to locate and pressure the enemy base while harvesters continue mining.
- **9:20 Claude Sonnet 5**: Push scattered units toward enemy base near (95,11), keep production flowing since queues are stuck at low progress meaning cash-starved. Should spend ore stockpile.
- **9:28 GPT-5.6 Terra**: Our visible army has been wiped out and enemy infantry are near the western edge of the base. Keep the existing tank and rocket queues running, rally all reinforcements directly into the threatened approach, and place the refinery as soon as it completes for recovery income.
- **9:28 Claude Sonnet 5**: Army near enemy base at (87,14) area, taking damage. Consolidate and push attack toward enemy base. Continue producing tanks and infantry, send idle units east.
- **9:36 GPT-5.6 Terra**: Enemy infantry are directly west of the base while our combat force is still in production. Keep both harvesters mining, maintain defensive rally points, and get the refinery placed immediately when it completes to restore income.
- **9:36 Claude Sonnet 5**: Front units near (89,12) should push attack into enemy base at (95,11). Rally scattered stragglers to move east and merge. Keep producing tanks and infantry.
- **9:44 GPT-5.6 Terra**: Enemy infantry are inside the western edge of our base and our combat force is nearly gone. Evacuate harvesters from the fight while the rocket soldier attacks the closest enemy cluster; queued tanks and rockets must emerge to stabilize.
- **9:44 Claude Sonnet 5**: Front group near (91,12) should push into enemy base at (95,11). Stragglers should be rallied forward too. Keep production running.
- **9:52 GPT-5.6 Terra**: Enemy infantry are directly threatening the critically damaged Construction Yard. Keep the rocket soldier fighting, get both harvesters mining, and let the nearly complete light tank emerge to stabilize defense while the refinery finishes.
- **9:52 Claude Sonnet 5**: Enemy construction yard at 19% hp near front group - finish it off with combined attack. Keep reinforcing stragglers eastward and continue production.
- **10:00 GPT-5.6 Terra**: Enemy infantry is directly threatening the production core while our economy is depleted. Focus the surviving rocket soldier on the closest enemy rocket infantry and let the already-queued tank/rocket mass complete, with rallies aimed toward the likely enemy base.
- **10:00 Claude Sonnet 5**: Enemy fact was at 19% hp last seen near (95,11), now not visible - likely destroyed or hidden. Push remaining front units to finish off any remaining structures at enemy base, regroup stragglers, keep production going.
- **10:08 GPT-5.6 Terra**: Enemy forces are directly at our production buildings, including a heavy tank, while our combat army is still in production. Keep the damaged production structures repaired, preserve the harvesters, and rally all newly finished units west into the fight.
- **10:08 Claude Sonnet 5**: Enemy weap at (95,8) is the last visible target near their base. Push all forward units there to finish them off, keep production rolling.
- **10:16 GPT-5.6 Terra**: Our production base has been destroyed and only the refinery/power remain, while an enemy tank and infantry are directly on top of our harvesters. Preserve the remaining assets by pulling harvesters away and repair the refinery if possible.
- **10:16 Claude Sonnet 5**: Enemy proc at (98,11) is nearly dead, push all forces there to finish it off and find remaining buildings. Keep production going.
- **10:24 GPT-5.6 Terra**: Our base is completely destroyed, leaving only two ore trucks and no way to rebuild without a Construction Yard. Preserve the harvesters and send them mining in case an opportunity to recover appears.
- **10:24 Claude Sonnet 5**: Large army already near enemy base at (95,11) but no enemy buildings visible - likely already mostly destroyed. Consolidate scattered units and push east to finish off any remaining structures, keep production rolling.
- **10:32 GPT-5.6 Terra**: We have only two power plants and two harvesters, so the immediate priority is to resume mining and wait for enough funds to rebuild a Construction Yard via MCV is impossible since none remains. Keep the harvesters alive and harvesting away from the enemy approach.
- **10:32 Claude Sonnet 5**: Enemy base near (95,11) mostly destroyed, no visible enemy left. Consolidate forces near enemy area and push idle army to finish mop-up, keep production rolling.
- **10:40 GPT-5.6 Terra**: Our base is effectively destroyed and only two ore trucks plus power plants remain. Send both trucks to mine; without an MCV there is no way to rebuild production.
- **10:40 Claude Sonnet 5**: Large group already near enemy base at (95,11) with no visible enemy buildings left - likely near total destruction. Push all idle army there to mop up, keep production rolling.
- **10:48 GPT-5.6 Terra**: Our base has been reduced to two power plants and two ore trucks, with no Construction Yard or refinery. I will keep the trucks mining in case recovery resources become available and preserve remaining assets.
- **10:48 Claude Sonnet 5**: Enemy base near (95,11) seems cleared already based on visible units. Push idle army group there to scout/finish remnants and continue production.
- **10:56 GPT-5.6 Terra**: Only two power plants and harvesters remain, with no Construction Yard or refinery, so rebuilding is impossible. Send the trucks toward the likely enemy base to scout and potentially damage exposed structures while keeping them active.
- **10:56 Claude Sonnet 5**: Army mostly at enemy base area with no visible enemy buildings left there - likely need to explore further for remaining structures. Push idle army eastward/northward to find and destroy remaining enemy assets while keeping production going.
- **11:04 GPT-5.6 Terra**: Only two harvesters and power plants remain, so there is no recovery economy. Send both trucks aggressively toward the likely enemy base to scout and damage anything found.
- **11:04 Claude Sonnet 5**: Large army gathered near enemy base cell (95-100,7-12), enemy buildings not visible - likely destroyed or hidden further. Push all army units attack-moving further into enemy territory to find remaining structures. Keep economy running.
- **11:12 GPT-5.6 Terra**: We have only two power plants and harvesters left, with no construction capability. The only possible recovery is to mine ore while scouting west for any surviving enemy structures.
- **11:12 Claude Sonnet 5**: Army is spread near enemy base at (95,11) with no visible enemy buildings left - likely destroyed most. Push remaining scattered units to consolidate and attack move toward enemy start to finish them off. Keep production queues going.
- **11:20 GPT-5.6 Terra**: Only the two ore trucks and power plants remain, so immediate recovery is impossible without a Construction Yard or refinery. I will send both trucks to mine in case they can recover funds or locate remaining infrastructure.
- **11:20 Claude Sonnet 5**: Big army near enemy base already but no buildings visible - likely destroyed or hidden further out. Push the force further east/south to scout and finish off remaining structures. Keep production going.
- **11:28 GPT-5.6 Terra**: Only two power plants and two ore trucks survive, so the immediate priority is restoring income by sending both trucks to mine. Once ore is delivered, rebuild the construction chain starting with a refinery.
- **11:28 Claude Sonnet 5**: Big army sitting near enemy's cleared base; need to scout wider to find remaining buildings. Consolidate idle units and push toward unexplored areas near (105,15) and south.
- **11:36 GPT-5.6 Terra**: Our Construction Yard is gone, so no rebuilding is possible; preserve the two ore trucks and keep them mining/away from the nearby enemy tank and infantry. Retreat them southeast from the exposed northern ore field.
- **11:36 Claude Sonnet 5**: Army is clustered near enemy base with two power plants visible; push attack to finish them off and continue scouting/production.

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Source: https://evaljetty.com/openra/runs/r2-rr-sonnet5-gpt56terra-g2.html · Evals by Jetty · Run your own evals: https://jetty.io/?utm_source=evaljetty&utm_medium=llms