Mistral Medium 3.5: benchmark results
Mistral's open 128B multimodal Medium 3.5 model unifying chat, reasoning, and coding. Provider: Mistral. Released 2026-04-29. Access: Open.
Unified ELO 1588 ± 1, rank #299 of 1392 rated models, from 131 benchmark results.
Strongest benchmark results
| Benchmark | Score | Metric | Percentile |
|---|---|---|---|
| AA TAU-2 Bench | 94.15 | Accuracy (%) | 92 |
| UGI Leaderboard | 49.47 | UGI Score | 89 |
| UGI - Natural Intelligence | 40.39 | NatInt Score | 86.8 |
| UGI - Writing | 45.47 | Writing Score | 85.6 |
| Phare - Bias Resistance | 60.98 | Score (%) | 84.8 |
| AA IFBench | 68.78 | Accuracy (%) | 82.6 |
| AA Terminal-Bench Hard | 33.33 | Accuracy (%) | 77.7 |
| AA Omniscience - Software Engineering (SWE) - Dart | 26 | Accuracy (%) | 77.6 |
| Chatbot Arena (Text - German) | 1443 | Arena Score | 77.3 |
| Chatbot Arena (Text - English) | 1444 | Arena Score | 76.9 |
| Chatbot Arena (Text - Instruction Following) | 1422 | Arena Score | 76.7 |
| Chatbot Arena (Text - Math) | 1430 | Arena Score | 76.4 |
Interactive version: theaggregate.ai/model?slug=mistral-medium-3-5 · How It Works · Data refreshed daily, snapshot 2026-09-05.