Mistral Medium 3.5
Open-weights 128B dense flagship model merging instruction-following, reasoning and coding, with a 256k context window, under a modified MIT license.
Introducing Mistral Medium 3.5, remote coding agents in Vibe, plus new Work mode in Le Chat for complex tasks.
Official source
Remote agents in Vibe. Powered by Mistral Medium 3.5.mistral.ai · published
Benchmarks
| Benchmark | Score | Human-verified |
|---|---|---|
| SWE-bench Verified | 77.6% | Not yet |
Reported by Mistral
- Remote agents in Vibe. Powered by Mistral Medium 3.5.mistral.ai · 22 May 2026