Diplomacy: Overall Performance: leaderboard

20 games against Devstral Small 1.1; source metric combines game duration and supply centers. Current live aggregation implementation/horizon not fully corroborated; do not infer percentage or a finite maximum.

Metric: Mean native game score (duration and supply centers), against Devstral Small 1.1. Source: goodstartlabs.com. Saturation forecast: Around January 2027. 23 models tracked.

Top models

#ModelScoreOverall rank
1Gemini 3 Pro60.3#80
2O358.42#124
3Grok 4 Fast (Reasoning)57.75#254 (Grok 4 Fast)
4Claude Opus 4.557.45#83
5Gemini 2.5 Flash57.3#245
6Gemini 2.5 Pro55.65#152
7Claude Sonnet 4.555.05#142
8GPT-5 (Minimal)54#98 (GPT-5)
9GLM-4.653.4#252
10Kimi K253.25#243
11GPT-5 Mini53.12#186
12Grok 4 Fast51.25#254
13Claude Haiku 4.549.85#280
14Hermes 4 405B48.8#334
15GPT-5 (Medium)47.4#98 (GPT-5)

No result here: #3 Claude Opus 5.5, #6 GPT-6 Astra, #7 GPT-6.1 Sol.

Interactive version: theaggregate.ai/benchmark?slug=diplomacy-overall-performance · How It Works · Data refreshed daily, snapshot 2026-10-20.