Mistral Medium 3 is a high-performance enterprise-grade language model designed to deliver frontier-level capabilities at significantly reduced operational cost. It balances state-of-the-art reasoning and multimodal performance with 8× lower cost... (description from the OpenRouter listing)
| Benchmark | Domain | Score | vs best recorded | Setting | Run | Source |
|---|---|---|---|---|---|---|
| DTBench | reasoning | 62.3% | 63% | — | — | External ↗ |
| FrontierMath-2025-02-28-Privatesuperseded | math | 0.3% ±0.3 | 1% | — | 7 May 2025 | Epoch ↗ |
| Lech Mazur Writing | other | 77.3% | 90% | — | — | External ↗ |
| HLE | knowledge | 4.5% | 8% | — | — | External ↗ |
| OTIS Mock AIME 2024-2025 | math | 32.2% ±6.0 | 32% | — | 7 May 2025 | Eval log ↗ |
| GPQA diamond | science | 59.5% ±2.8 | 62% | — | 7 May 2025 | Eval log ↗ |
| MATH level 5 | math | 81.6% ±0.9 | 83% | — | 7 May 2025 | Epoch ↗ |
Source: Epoch AI Benchmarking Hub (CC BY 4.0). “External” rows are leaderboard results Epoch collects from third parties. Best reported setting per benchmark is shown.
13 observations (OpenRouter listing + Internet Archive snapshots). History accumulates with every ingest run; a single point means no change has been observed yet.