Diplomacy: Betrayal Tendency: leaderboard
60 critical-state games resumed Fall 1914; betrayal behavior rather than general capability. Retain existing Elo exclusion.
Metric: Betrayal rate (%), 60 critical-state games resumed at Fall 1914. Source: goodstartlabs.com. 17 models tracked.
Top models
| # | Model | Score | Overall rank |
|---|---|---|---|
| 1 | GPT-5 | 0 | #98 |
| 2 | GPT-OSS-120B | 0 | #341 |
| 3 | GPT-5 Mini | 0 | #186 |
| 4 | AFM-4.5B | 0 | #1372 |
| 5 | Grok 4 Fast | 0 | #254 |
| 6 | Gemini 3 Pro | 11.7 | #80 |
| 7 | Llama 4 Maverick | 13.3 | #464 |
| 8 | Qwen 3 Max | 21.7 | #208 |
| 9 | Claude Sonnet 4.5 | 31.7 | #142 |
| 10 | DeepSeek R1 | 40 | #251 |
| 11 | O3 | 41.7 | #124 |
| 12 | Gemini 2.5 Flash | 51.7 | #245 |
| 13 | Claude Opus 4.5 | 66.7 | #83 |
| 14 | Kimi K2 | 76.7 | #243 |
| 15 | GLM-4.6 | 85 | #252 |
Interactive version: theaggregate.ai/benchmark?slug=diplomacy-betrayal-tendency · How It Works · Data refreshed daily, snapshot 2026-10-20.