Benchmarks · agentic
EBR-bench (Earthborne Rangers, Epoch AI)
Epoch AI's agentic game benchmark built on the Earthborne Rangers card game: long-horizon planning across a campaign. Score is the share of the scenario completed. Data: Epoch AI, CC BY.
28 models · 28 results · data as of 2026-11-06 · epoch.ai ↗
Leaderboard
GPT-6.1 Terra max
All results
28 rows| # | Model | Effort | Score | Harness |
|---|---|---|---|---|
| 1 | GPT-6.1 Terra | max | 78.1% | Epoch AI |
| 2 | GPT-6 Astra | max | 76.2% | Epoch AI |
| 3 | Opus 5.5 | max | 71.4% | Epoch AI |
| 4 | Gemini 4 Argon | high | 64.8% | Epoch AI |
| 5 | Fable 5.1 | max | 57.1% | Epoch AI |
| 6 | GPT-6.1 Sol | max | 54.3% | Epoch AI |
| 7 | GPT-6 Sol | max | 53.3% | Epoch AI |
| 8 | Opus 5 | max | 45.7% | Epoch AI |
| 9 | GPT-5.6 Sol | max | 44.8% | Epoch AI |
| 10 | Haiku 5.5 | max | 43.8% | Epoch AI |
| 11 | Fable 5 | max | 39.5% | Epoch AI |
| 12 | GPT-5.5 | xhigh | 34.3% | Epoch AI |
| 13 | Grok 4.6 | xhigh | 30.5% | Epoch AI |
| 14 | Opus 4.8 | max | 28.6% | Epoch AI |
| 15 | GPT-5.4 | xhigh | 25.4% | Epoch AI |
| 16 | GPT-5.2 | xhigh | 23.0% | Epoch AI |
| 17 | Opus 4.7 | max | 19.0% | Epoch AI |
| 18 | Mistral Large 4 | high | 18.1% | Epoch AI |
| 19 | Opus 4.5 | high | 14.3% | Epoch AI |
| 20 | Gemini 3.1 Pro | high | 14.3% | Epoch AI |
| 21 | Opus 4.6 | max | 12.7% | Epoch AI |
| 22 | GPT-5 | high | 12.7% | Epoch AI |
| 23 | GLM 5.2 | max | 9.5% | Epoch AI |
| 24 | Qwen 3.7 Max | max | 9.5% | Epoch AI |
| 25 | Opus 4.1 | high | 7.9% | Epoch AI |
| 26 | Gemini 3.5 Flash | high | 4.8% | Epoch AI |
| 27 | Sonnet 4.5 | high | 2.4% | Epoch AI |
| 28 | Kimi K2.6 | max | 2.4% | Epoch AI |