CivBench
Models play full games of Civilization V with the Vox Populi mod against each other on matched maps and seeds. Pairwise skill ratings rank long-term strategy.
Also tracks diplomacy, strategy choices and win prediction quality. The Vox Deorum repo has about 110 stars. Release month is the first Reddit post found.
- Made by
- Vox Deorum
- Released
- October 2026
- Kind
- Video games
- Level
- Expert
- Scored
- Ranked by matches
- Answers
- Agent task
- Tasks
- All public
- Strongest model tested
- GPT-6 Astra #3 on the capability index
- Last model added
- September 2026
- Scores refreshed
- November 12th, 2026
GLM-5.3 leads with 1,634 among models released by September 2026
Best score per entry from the benchmark's own leaderboard, read on November 12th, 2026. Where a model ran with several settings or harnesses, we keep its best. Every run is in the next chart. Names in gray aren't in our model list: fine-tunes, agent systems, products and older models. They don't count toward leaders.
The newest model with a score here came out in September 2026, and nobody has tested a newer one. Among the 20 highest-ranked models on the capability index, these have no score yet:
- Claude Fable 5.2
-
Gemini 4 Carbon
- GPT-6.1 Terra
-
Gemini 4 Argon
- and 12 more
- 1,634 GLM-5.3
- 1,602 GPT-6.1 Sol
- 1,593 Claude Opus 5.5
- 1,573 Kimi-K2.7
- 1,557 GPT-6 Astra
- 1,537
DeepSeek V4.1 Flash
- 1,535 GLM-5.2
- 1,516
Qwen 3.8 27B
- 1,510 GPT-6 Luna
- 1,504 Kimi K2.6
- 1,499
Qwen3.8-Flash-Next
- 1,497 Claude Sonnet 5.5
- 1,482 GLM-5.1
- 1,477
DeepSeek-V4-Flash
- 1,470
MiniMax-M2.7
- 1,468 GLM-5.3-Flash
- 1,460 Qwen-3.5
- 1,458 Gemma-4
- 1,448
MiniMax-M3
- 1,441
Nemotron 3 Super
- 1,422 gpt-oss-120b
- 1,391
Qwen3.6 27B
- 1,350 Jev!
Bars start at 1,300.
- 1 GLM-5.3 1,634
- 2 GPT-6.1 Sol 1,602
- 3 Claude Opus 5.5 1,593
- 4 Kimi-K2.7 1,573
- 5 GPT-6 Astra 1,557
- 6
DeepSeek V4.1 Flash 1,537
- 7 GLM-5.2 1,535
- 8
Qwen 3.8 27B 1,516
- 9 GPT-6 Luna 1,510
- 10 Kimi K2.6 1,504
- 11
Qwen3.8-Flash-Next 1,499
- 12 Claude Sonnet 5.5 1,497
- 13 GLM-5.1 1,482
- 14
DeepSeek-V4-Flash 1,477
- 15
MiniMax-M2.7 1,470
- 16 GLM-5.3-Flash 1,468
- 17 Qwen-3.5 1,460
- 18 Gemma-4 1,458
- 19
MiniMax-M3 1,448
- 20
Nemotron 3 Super 1,441
- 21 gpt-oss-120b 1,422
- 22
Qwen3.6 27B 1,391
- 23 Jev! 1,350
Source: Official CivBench leaderboard
| # | Entry | Score | Setting | Date | Source |
|---|---|---|---|---|---|
| 1 | GLM-5.3 | 1,634 | every 5 turns | Aug 2026 | Official leaderboard |
| 2 | GPT-6.1 Sol | 1,602 | every 5 turns | Sep 2026 | Official leaderboard |
| 3 | Claude Opus 5.5 | 1,593 | every 5 turns | Sep 2026 | Official leaderboard |
| 4 | Kimi-K2.7 | 1,573 | every turn | Official leaderboard | |
| 5 | GPT-6 Astra | 1,557 | every 5 turns | Sep 2026 | Official leaderboard |
| 6 | | 1,537 | every turn | Sep 2026 | Official leaderboard |
| 7 | GLM-5.2 | 1,535 | every turn | Jun 2026 | Official leaderboard |
| 8 | | 1,516 | every turn | Aug 2026 | Official leaderboard |
| 9 | GPT-6 Luna | 1,510 | every 5 turns | Sep 2026 | Official leaderboard |
| 10 | Kimi K2.6 | 1,504 | every turn | Apr 2026 | Official leaderboard |
| 11 | | 1,499 | every 5 turns | Aug 2026 | Official leaderboard |
| 12 | Claude Sonnet 5.5 | 1,497 | every 5 turns | Sep 2026 | Official leaderboard |
| 13 | GLM-5.1 | 1,482 | every turn | Apr 2026 | Official leaderboard |
| 14 | | 1,477 | every 5 turns | Apr 2026 | Official leaderboard |
| 15 | | 1,470 | every turn | Mar 2026 | Official leaderboard |
| 16 | GLM-5.3-Flash | 1,468 | every turn | Aug 2026 | Official leaderboard |
| 17 | Qwen-3.5 | 1,460 | every turn | Official leaderboard | |
| 18 | Gemma-4 | 1,458 | every 5 turns | Official leaderboard | |
| 19 | | 1,448 | every 5 turns | Jun 2026 | Official leaderboard |
| 20 | | 1,441 | every turn | Mar 2026 | Official leaderboard |
| 21 | gpt-oss-120b | 1,422 | every turn | Aug 2025 | Official leaderboard |
| 22 | | 1,391 | every turn | Apr 2026 | Official leaderboard |
| 23 | Jev! | 1,350 | every turn | Official leaderboard |
Cost versus skill
The line joins the runs that no other run beats on both measures. We redrew this chart from the numbers on the official leaderboard.
| Model | Setting | Skill rating | Cost per player per game |
|---|---|---|---|
| GLM-5.3 | every 5 turns | 1,634 rating | $20.55 |
| GPT-6.1 Sol | every 5 turns | 1,602 rating | $11.66 |
| Claude Opus 5.5 | every 5 turns | 1,593 rating | $32.22 |
| Kimi-K2.7 | every turn | 1,573 rating | $14.37 |
| GPT-6 Astra | every 5 turns | 1,557 rating | $53.9 |
| GPT-6.1 Sol | every turn | 1,544 rating | $23.62 |
| GPT-6.1 Sol | agentic | 1,543 rating | $7.4 |
| | every turn | 1,537 rating | $2.45 |
| GLM-5.2 | every turn | 1,535 rating | $13.2 |
| | every turn | 1,516 rating | $6.8 |
| Kimi-K2.7 | every 5 turns | 1,514 rating | $6.14 |
| GPT-6 Luna | every 5 turns | 1,510 rating | $0.61 |
| Kimi K2.6 | every turn | 1,504 rating | $16.84 |
| | every 5 turns | 1,499 rating | $1 |
| Claude Sonnet 5.5 | every 5 turns | 1,497 rating | $17.74 |
| GLM-5.2 | every 5 turns | 1,495 rating | $5.6 |
| | every 5 turns | 1,494 rating | $0.89 |
| GPT-6 Luna | every turn | 1,491 rating | $1.16 |
| GLM-5.1 | every turn | 1,482 rating | $15.07 |
| | every 5 turns | 1,477 rating | $0.49 |
| | every turn | 1,470 rating | $3.61 |
| GLM-5.3-Flash | every turn | 1,468 rating | $1.74 |
| Qwen-3.5 | every turn | 1,460 rating | $7.61 |
| Gemma-4 | every 5 turns | 1,458 rating | $0.46 |
| | every 5 turns | 1,454 rating | $2.72 |
| | every turn | 1,449 rating | $2 |
| | every 5 turns | 1,448 rating | $2.79 |
| | every 5 turns | 1,444 rating | $1.74 |
| | every turn | 1,441 rating | $1.93 |
| | every 5 turns | 1,436 rating | $0.77 |
| GLM-5.3-Flash | every 5 turns | 1,436 rating | $0.88 |
| | every turn | 1,431 rating | $1.02 |
| gpt-oss-120b | every turn | 1,422 rating | $0.52 |
| Qwen-3.5 | every 5 turns | 1,421 rating | $2.71 |
| | every turn | 1,391 rating | $4.09 |
| gpt-oss-120b | every 5 turns | 1,383 rating | $0.23 |
| Gemma-4 | every turn | 1,377 rating | $1.06 |
| Jev! | every turn | 1,350 rating | $0.47 |
| | every 5 turns | 1,341 rating | $1.8 |
The best score, 1,634, costs $21 a task
Runs on the cost frontier score higher than any run that's cheaper. The costs are the leaderboard's own estimates, so compare them only within this benchmark.
Source: Official CivBench leaderboard
| Model | Effort | Harness | Score | Cost per task | Output tokens |
|---|---|---|---|---|---|
| GLM-5.3 | every 5 turns | 1,634 | $21 | 3,203,151 | |
| GPT-6.1 Sol | every 5 turns | 1,602 | $12 | 54,415 | |
| Claude Opus 5.5 | every 5 turns | 1,593 | $32 | 105,746 | |
| GPT-6 Astra | every 5 turns | 1,557 | $54 | 39,913 | |
| GPT-6.1 Sol | every turn | 1,544 | $24 | 124,843 | |
| GPT-6.1 Sol | agentic | 1,543 | $7.40 | 67,384 | |
| | every turn | 1,537 | $2.45 | 1,690,237 | |
| GLM-5.2 | every turn | 1,535 | $13 | 4,263,283 | |
| | every turn | 1,516 | $6.80 | 1,756,343 | |
| GPT-6 Luna | every 5 turns | 1,510 | $0.61 | 40,338 | |
| Kimi K2.6 | every turn | 1,504 | $17 | 2,386,068 | |
| | every 5 turns | 1,499 | $1.00 | 465,933 | |
| Claude Sonnet 5.5 | every 5 turns | 1,497 | $18 | 191,348 | |
| GLM-5.2 | every 5 turns | 1,495 | $5.60 | 1,565,875 | |
| | every 5 turns | 1,494 | $0.89 | 350,501 | |
| GPT-6 Luna | every turn | 1,491 | $1.16 | 133,690 | |
| GLM-5.1 | every turn | 1,482 | $15 | 1,125,884 | |
| | every 5 turns | 1,477 | $0.49 | 219,647 | |
| | every turn | 1,470 | $3.61 | 420,677 | |
| GLM-5.3-Flash | every turn | 1,468 | $1.74 | 583,509 | |
| | every 5 turns | 1,454 | $2.72 | 601,206 | |
| | every turn | 1,449 | $2.00 | 1,194,039 | |
| | every 5 turns | 1,448 | $2.79 | 926,360 | |
| | every 5 turns | 1,444 | $1.74 | 131,874 | |
| | every turn | 1,441 | $1.93 | 1,651,510 | |
| | every 5 turns | 1,436 | $0.77 | 654,165 | |
| GLM-5.3-Flash | every 5 turns | 1,436 | $0.88 | 239,153 | |
| | every turn | 1,431 | $1.02 | 539,393 | |
| gpt-oss-120b | every turn | 1,422 | $0.52 | 558,464 | |
| | every turn | 1,391 | $4.09 | 530,614 | |
| gpt-oss-120b | every 5 turns | 1,383 | $0.23 | 189,376 | |
| | every 5 turns | 1,341 | $1.80 | 175,365 |
Number one over time
Lab claims count from the day the card came out, independent runs from the model’s release.
Source: Official CivBench leaderboard
Scores over time
All the scores we have, one dot each, so a model tested at several settings appears more than once.
Source: Official CivBench leaderboard
No lab model card reports it yet
We read the headline results of 522 launch posts from 52 labs, and none of them list this benchmark.
More in Games and long tasks
- ARC-AGI-3 In use Interactive game environments where agents must explore, infer goals and rules, and act efficiently without instructions. GPT-6 Astra 99.95%
- Orak Fading LLM agents play 12 popular video games across most genres through an MCP interface. Each game scores in-game progress or outcomes, and the board ranks models by their average rank across the games.
Gemini 2.5 Pro 3.90
- MineDojo Fading Agents complete open-ended tasks in Minecraft, such as mining blocks and fighting mobs, from a large simulation suite. Programmatic checks score many tasks.
Seed2.0 Pro 49%
- TextQuests Only in system cards Agents play 25 classic interactive fiction games. The score is harmful actions per 100 steps, where lower is better. The board also reports game progress.
Llama 4 Scout 7.00
- GameWorld Only in system cards Multimodal game agents play 34 browser games across 170 tasks. Outcomes are checked from the game state. GPT-6.1 Terra 76.8%
- Swarm Bench Only in system cards Models orchestrate agent swarms on complex tasks that benefit from coordinated decomposition and parallel execution. Kimi K3 76.3%