Benchmarks
3 benchmarks
All scores come from the Epoch AI Benchmarking Hub (CC BY 4.0) - Epoch's own runs plus external leaderboards Epoch collects. Unrelated benchmarks are never combined into a universal score; Epoch's own composite (ECI) is shown separately on the models page with its methodology.
| Benchmark | Domain | Results | Top model | Top score | Released | Latest run | Type |
|---|---|---|---|---|---|---|---|
| Chess Puzzles Chess tactics puzzles solved by the model without tools. | games | 188 | GPT-6 Astra | 72.0% | 10 Dec 2025 | 18 Sep 2026 | Run by Epoch |
| Mystery Game Puzzles Mystery Game Puzzles benchmark (score column: Best score (across scorers)). | games | 107 | GPT-6 Astra | 84.0% | 30 Jul 2026 | 18 Sep 2026 | Run by Epoch |
| Balrog Balrog benchmark (score column: Average progress). | games | 39 | GPT-6 Astra | 68.3% | 20 Nov 2024 | — | External leaderboard |