---
title: "GPT-5.6 Terra vs OpenRA AI (Normal) | OpenRA arena run | Evals by Jetty"
url: https://evaljetty.com/openra/runs/ladder-gpt56terra-normal-g1.html
description: "OpenRA AI (Normal) 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 1 · vs OpenRA AI · ladder-gpt56terra-normal-g1

# GPT-5.6 Terra vs OpenRA AI (Normal)

OpenRA AI (Normal) destroyed the enemy base after 10.4 game-minutes · 12.7 min wall clock

[Jetty trajectory](https://jetty.io/jettygrowthteam/openra-arena-match/11382375)
[Replay (.orarep)](https://evaljetty.com/openra/media/ladder-gpt56terra-normal-g1.orarep)
[Decision log](https://evaljetty.com/openra/runs/ladder-gpt56terra-normal-g1/decisions.jsonl)
[Runtime config](https://evaljetty.com/openra/runs/ladder-gpt56terra-normal-g1/runtime_config.json)
[Validation report](https://evaljetty.com/openra/runs/ladder-gpt56terra-normal-g1/validation_report.json)

LOSS germany · west

GPT-5.6 Terra

openai/gpt-5.6-terra

Value destroyed$1,050Value lost$24,700
Units killed / lost3 / 59Buildings killed / lost0 / 9
Peak army$2,700Orders issued81
Decision turns (failed)78 (0)Mean latency3.5sModel cost$0.572

WIN ukraine · east

OpenRA AI (Normal)

openra/normal-ai

Value destroyed$25,000Value lost$1,350
Units killed / lost61 / 5Buildings killed / lost9 / 0
Peak army$0Orders issued134
Decision turns (failed)0 (0)Mean latency–Model cost$0.000

## Evaluation

passchecks **7/7** verdict computed from the gating checks

Round-1 run: written before the runbook moved to evals v2, so these are the older self-reported checks.

| Status | Kind | Check | Detail |
| --- | --- | --- | --- |
| pass | code\_check | result-json | result json |
| pass | code\_check | has-winner | has winner |
| pass | code\_check | decisions-logged | decisions logged |
| pass | code\_check | replay-saved | replay saved |
| pass | code\_check | video-rendered | video rendered |
| pass | code\_check | no-llm-outage | no llm outage |
| pass | code\_check | video-complete | video complete |

## 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 power-to-refinery opening. The enemy is likely in the northeast, so early scouts will later move eastward.
- **0:08 GPT-5.6 Terra**: Construction Yard is deployed and the first power plant is ready. Place it immediately and begin the refinery to establish income.
- **0:16 GPT-5.6 Terra**: Construction Yard is deployed and we need establish power before opening the economy. Start the first Power Plant immediately.
- **0:24 GPT-5.6 Terra**: Construction Yard is deployed and the first power plant is ready. Place it immediately and begin the first refinery to establish income.
- **0:32 GPT-5.6 Terra**: Power is established and the immediate priority is starting ore income. I will build the first refinery, then place it and follow with infantry production and a second economic/vehicle structure.
- **0:40 GPT-5.6 Terra**: The first refinery is still constructing, so I will preserve cash for immediate expansion once it is ready. Power is ample and the base remains secure.
- **0:48 GPT-5.6 Terra**: The first refinery is still constructing; I will place it as soon as it is ready, then immediately establish infantry production and expand ore income.
- **0:56 GPT-5.6 Terra**: First refinery is nearly ready; place it immediately when complete, then establish infantry production and expand ore income. No army exists yet, so focus entirely on opening economy.
- **1:04 GPT-5.6 Terra**: First refinery is nearly complete. I will place it immediately when ready, then establish infantry production and expand ore income.
- **1:12 GPT-5.6 Terra**: First refinery is ready, so I will place it immediately and begin infantry production infrastructure. I will then add a second refinery to accelerate income and scout toward the likely enemy position.
- **1:20 GPT-5.6 Terra**: Barracks is nearly complete; keep the harvester actively mining and immediately transition into infantry scouting and a second refinery once the building queue opens.
- **1:28 GPT-5.6 Terra**: Barracks is ready and will be placed immediately. I will begin infantry scouting toward the likely eastern enemy start while expanding ore income with a second refinery.
- **1:36 GPT-5.6 Terra**: Second refinery is under construction; use the barracks to establish scouting and map control while saving toward a War Factory. Infantry will probe northeast toward the likely enemy start without overcommitting.
- **1:44 GPT-5.6 Terra**: Second refinery is nearing completion; I will place it immediately when ready, then start a War Factory. The first rifleman scouts east while the barracks continues filling out a mixed infantry force.
- **1:52 GPT-5.6 Terra**: Second refinery is nearly complete; place it immediately when ready, then start the War Factory. Continue scouting east toward the likely enemy base while the rocket soldier follows for protection.
- **2:00 GPT-5.6 Terra**: Second refinery is nearly ready and the war factory is queued behind it. Continue scouting aggressively toward the likely Soviet start while preserving income and infantry production.
- **2:08 GPT-5.6 Terra**: Place the second refinery immediately to expand income, then let the War Factory proceed. Keep infantry production active and continue the east-northeast scouting push toward the suspected enemy base.
- **2:16 GPT-5.6 Terra**: Second refinery is online and the War Factory is progressing. Our scout column should continue pressing toward the likely Soviet start while infantry production stays queued.
- **2:24 GPT-5.6 Terra**: War Factory is nearly ready; it must be placed immediately next turn, followed by power to support vehicle production. The infantry scout is advancing northeast without contact, so continue pressure toward the likely enemy start.
- **2:32 GPT-5.6 Terra**: War Factory is nearing completion and the forward infantry screen has not encountered resistance. Keep infantry production active, rally forward, and concentrate the army toward the likely enemy base while preparing vehicle production.
- **2:40 GPT-5.6 Terra**: War Factory is still building while our infantry screen advances east toward the likely Soviet start. Keep pressure and scouting active; place the factory immediately once ready and transition into vehicle production.
- **2:48 GPT-5.6 Terra**: War Factory is nearing completion while our infantry screen is advancing toward the likely enemy start. Keep the force moving east and preserve income for immediate armor production once the factory is placed.
- **2:56 GPT-5.6 Terra**: War Factory is nearly complete and the infantry column is advancing unopposed toward the likely enemy start. I will keep pressure moving east, add power for the factory, and begin vehicle production as soon as funds permit.
- **3:04 GPT-5.6 Terra**: War Factory is nearly complete and power is queued behind it. Keep infantry pressure moving toward the likely enemy start while saving the upcoming War Factory for continuous medium tank production.
- **3:12 GPT-5.6 Terra**: War Factory is nearly complete and infantry production is fully queued. Keep the advancing force pressing toward the likely enemy start while preserving power capacity for the factory.
- **3:20 GPT-5.6 Terra**: War Factory is nearly complete, and the existing forward infantry screen should keep scouting toward the likely enemy base. I will keep the harvesters mining and press the army east while preparing to place the factory immediately.
- **3:28 GPT-5.6 Terra**: War Factory is ready and must be deployed immediately so vehicle production can begin as ore arrives. The scattered scouting infantry will continue toward the suspected northeastern enemy base while rockets provide anti-vehicle coverage.
- **3:36 GPT-5.6 Terra**: War Factory is online but low power is slowing all production, so finish and place the queued power plant immediately. Our scattered rocket scouts should converge and continue pressing east toward the enemy start while harvesters mine.
- **3:44 GPT-5.6 Terra**: Power is still under construction and low power is slowing all production. Keep scouting toward the likely enemy base while the queued infantry and tanks complete.
- **3:52 GPT-5.6 Terra**: Power plant is nearly complete and will resolve the low-power production slowdown shortly. Infantry scouts are spread east toward the enemy start; continue pressure while the queued tanks and infantry complete.
- **4:00 GPT-5.6 Terra**: Place the ready power plant immediately to end low power, then queue another power plant as ore income arrives. Our scouts are close to the likely enemy start, so keep them advancing together while harvesters mine.
- **4:08 GPT-5.6 Terra**: Power plant is ready and vehicle/infantry production is already queued. Continue the eastern scouting push toward the likely enemy start while harvesters sustain the economy.
- **4:16 GPT-5.6 Terra**: Three light tanks are about to complete, while our existing scouts are advancing east. Keep all combat units pressing toward the likely Soviet base and spend incoming refinery income on the queued armor and infantry.
- **4:24 GPT-5.6 Terra**: Our forward scouts have not located the enemy yet, so keep pressure moving east toward the likely base while the active vehicle and infantry queues replenish the army. Maintain rallies on the eastern approach and spend incoming ore on continuous production.
- **4:32 GPT-5.6 Terra**: Production is fully queued and the forward scouts have not located the enemy yet. Keep the combat force advancing toward the likely northeast enemy start while harvesters fund the queued reinforcements.
- **4:40 GPT-5.6 Terra**: Our forces are spread but the leading tank and rockets are nearing the suspected enemy side. Keep the full production queues running and advance all surviving combat units toward the likely enemy base to scout and engage.
- **4:48 GPT-5.6 Terra**: Our initial force is moving east and no enemy has been spotted yet. Keep all combat units converging on the likely enemy start while completed infantry and tanks rally forward; preserve cash flow through the existing two-refinery economy.
- **4:56 GPT-5.6 Terra**: Our production queues are fully committed and the current force is advancing through the center toward the likely enemy position. Keep all combat units pressing east while new tanks and infantry rally forward automatically.
- **5:04 GPT-5.6 Terra**: Our production is fully queued and the existing force is advancing toward the likely enemy start. Continue the coordinated push and use the forward rocket soldier to expose the enemy base.
- **5:12 GPT-5.6 Terra**: All available production queues are active despite temporary low cash. The forward force has not found resistance, so I will consolidate its advance toward the likely enemy base and rally reinforcements forward.
- **5:20 GPT-5.6 Terra**: Our production queues are fully committed and the forward force is closing on the likely enemy start. Keep all combat units advancing aggressively to uncover and damage the enemy base.
- **5:28 GPT-5.6 Terra**: Our scouting force is closing on the likely enemy start, with infantry spread ahead of the tanks. Keep all combat units advancing aggressively toward the northeast and maintain attack posture while production queues complete.
- **5:36 GPT-5.6 Terra**: Our surviving force is still advancing on the likely enemy start, while production is queued and both harvesters are working. Keep pressure toward the northeast and engage the spotted APC if encountered.
- **5:44 GPT-5.6 Terra**: Our small forward force has found an enemy APC/infantry group near 70,18, while the enemy base remains likely northeast. Keep all surviving combat units advancing aggressively and maintain the war factory rally toward the enemy start as the queued tanks finish.
- **5:52 GPT-5.6 Terra**: Our economy is temporarily empty but both War Factory queues are producing Light Tanks. The small forward force should keep advancing cautiously toward the suspected enemy base while new units rally to reinforce it.
- **6:00 GPT-5.6 Terra**: Our small combat force is spread along the approach and no enemy is currently visible. Keep it advancing toward the likely enemy base while the two Light Tanks complete and economy refills.
- **6:08 GPT-5.6 Terra**: Our small force is advancing toward the likely enemy start while two Light Tanks are queued. Keep pressure and let the harvesters rebuild cash for infantry and further armor.
- **6:16 GPT-5.6 Terra**: Our small force has reached the eastern approach but has not yet scouted the enemy base. Keep all combat units pushing toward the likely northeast start while infantry production reinforces the attack.
- **6:24 GPT-5.6 Terra**: Cash is fully committed, with infantry and Light Tank production already underway. Keep harvesters mining and maintain the forward attack pressure toward the likely enemy start while newly produced units rally east.
- **6:32 GPT-5.6 Terra**: Our economy is temporarily empty but both refineries are active and production queues are already running. Keep the scattered forward force advancing together toward the likely enemy base while harvesters continue mining.
- **6:40 GPT-5.6 Terra**: Our economy and power are stable with two refineries, but the army is far too small after heavy losses. Keep both production queues continuously active and push all combat units toward the likely enemy start to locate and pressure their base.
- **6:48 GPT-5.6 Terra**: Production is fully queued and the third refinery is underway. Keep the forward tank and infantry pressure moving toward the likely enemy start while new forces rally east.
- **6:56 GPT-5.6 Terra**: The third refinery and large unit queues are underway, but our visible field force is still only rifle scouts. Keep scouting toward the likely northeastern enemy base while income ramps up and production completes.
- **7:04 GPT-5.6 Terra**: Our third refinery is nearly complete and queued armor/infantry will provide the needed mass once income resumes. Rifles continue scouting east toward the likely Soviet base while harvesters stay mining.
- **7:12 GPT-5.6 Terra**: The third refinery is still under construction while our queues are fully committed, so income and production should soon accelerate. The rifle scouts have pushed well east without finding resistance; continue them toward the likely enemy base and keep harvesters mining.
- **7:20 GPT-5.6 Terra**: Third refinery and large tank/infantry queues are underway while the existing forward scouts have reached the eastern half without contact. Consolidate the available force toward the likely enemy start and continue producing.
- **7:28 GPT-5.6 Terra**: Our refinery and large production queues are underway, but the forward infantry have encountered two enemy APCs near the enemy approach. Keep the existing force advancing aggressively while the incoming tanks and infantry reinforce the eastern rally route.
- **7:36 GPT-5.6 Terra**: Third refinery and a continuous light-tank/infantry stream are underway, while our forward scouts are approaching the likely enemy approach route. Keep pressure and converge the scattered combat units toward the enemy start while preserving harvesters.
- **7:44 GPT-5.6 Terra**: The third refinery is nearing completion and all production queues are saturated, so the priority is to maintain forward pressure while the incoming units reinforce. The damaged scout tank and rocket soldiers will converge on the likely Soviet base approach at the northeast.
- **7:52 GPT-5.6 Terra**: Economy is about to improve with the third refinery, while both production queues are committed to rebuilding a mobile force. Keep the rocket soldiers advancing toward the likely enemy approach and ensure harvesters remain mining.
- **8:00 GPT-5.6 Terra**: Our army was wiped out, but production is heavily queued and the third refinery is nearly ready. Keep both harvesters mining, use surviving rocket soldiers to scout toward the enemy start, and rally incoming forces eastward for a rebuilt assault group.
- **8:08 GPT-5.6 Terra**: Production is fully queued and the third refinery is nearing completion, but only two rocket soldiers remain visible. Send them northeast to scout the likely enemy start while the queued army rebuilds.
- **8:16 GPT-5.6 Terra**: Third refinery is nearly ready and production queues are committed, while our two rocket soldiers can continue scouting toward the likely enemy position. Keep new units rallying northeast so we can mass a tank/rocket force instead of trickling units into danger.
- **8:24 GPT-5.6 Terra**: Third refinery is nearly complete and will strengthen our income; existing production queues are already committed. Continue scouting and consolidate the small force eastward toward the likely enemy base while the deep rocket scout probes northeast.
- **8:32 GPT-5.6 Terra**: The third refinery is nearly ready and our production queues are filled despite the current cash shortage. Continue scouting and consolidate the dispersed combat units toward the enemy approach while harvesters sustain income.
- **8:40 GPT-5.6 Terra**: The refinery is almost complete and all production queues are committed despite zero cash. Push the light tank toward the likely enemy start while infantry advances behind it, and keep both harvesters mining.
- **8:48 GPT-5.6 Terra**: The refinery is nearly ready and all production queues are already stocked. Enemy armor is concentrated near 78,11, so the lone light tank should fall back while the infantry and rocket soldier consolidate instead of feeding units into the heavy tank.
- **8:56 GPT-5.6 Terra**: The ready refinery must be placed immediately to convert stored ore and restore spending capacity. Our surviving infantry are too weak to engage the reported enemy armor alone, so consolidate them while queued light tanks build.
- **9:04 GPT-5.6 Terra**: Three refineries and strong power give a solid recovery economy, while four light tanks are already queued. I will consolidate the scattered infantry with the forward group and probe toward the enemy’s last known armor location while keeping production rallied forward.
- **9:12 GPT-5.6 Terra**: Three refineries and three harvesters should soon fund the already queued tank and rocket production. The forward rifle screen will probe directly toward the likely enemy base while reinforcements rally behind it.
- **9:20 GPT-5.6 Terra**: Our economy is established with three refineries and strong power, but the field army is tiny after heavy losses. Keep all production queued, push the scout force toward the likely enemy base, and tech toward Medium Tanks via a Service Depot.
- **9:28 GPT-5.6 Terra**: Service Depot and ongoing tank/rocket queues will strengthen the small forward force. Keep the scouts advancing toward the likely enemy base while all three refineries sustain production.
- **9:36 GPT-5.6 Terra**: Our forward force was destroyed, leaving only one rocket soldier while three harvesters rebuild income. Preserve the rocket near base and let queued tanks/rockets assemble before another push.
- **9:44 GPT-5.6 Terra**: Our army has been wiped out, so immediate priority is preserving the three harvesters while the queued tanks and rockets rebuild our force. Enemy APCs are raiding near the base; pull the exposed truck back and keep the others mining.
- **9:52 GPT-5.6 Terra**: Enemy APC/infantry raid is at the eastern edge of our base while our first replacement tanks and rockets are nearly complete. Keep harvesters safe, repair the damaged refinery, and rally all new combat units directly into the threatened center-east defense line.
- **10:00 GPT-5.6 Terra**: Enemy armor and infantry are inside our base perimeter while our army is nearly gone. Finish the Service Depot, restore power immediately afterward, keep harvesters working, and use the rocket soldier to focus the enemy heavy tank.
- **10:08 GPT-5.6 Terra**: Enemy infantry/APC force is directly inside the base and our combat force has been wiped out. Preserve the harvesters while the nearly complete light tank emerges, keep the vehicle queue active, and finish the pending power plant for future production.
- **10:16 GPT-5.6 Terra**: Our base is effectively overrun and only refineries and harvesters remain. Preserve the harvesters by fleeing southwest and keep them mining if possible while the enemy force is concentrated here.

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Source: https://evaljetty.com/openra/runs/ladder-gpt56terra-normal-g1.html · Evals by Jetty · Run your own evals: https://jetty.io/?utm_source=evaljetty&utm_medium=llms