Devstral Medium

Mistral AI
Devstral Medium launch post cover
Context
128Ktokens
Released
1y ago

Benchmarks

DeepSWE is the primary coding benchmark where an exact model evaluation exists. Arena leaderboards and other sourced evaluations appear below; missing scores are not zero.

How it ranks

Against its predecessor, similarly priced models and the models ranked around it.

DeepSWE 1.1

Best pass@1 per model · Higher is better

Not evaluated in DeepSWE 1.1

Arena Text

Best Arena rating per model · Higher is better

Not ranked on Arena Text yet

Arena WebDev

Best Arena rating per model · Higher is better

Arena #156

  1. 1417
    GPT-5Similar release date
  2. 1389
    Claude Opus 4.1Similar release date
  3. 1228
    Gemini 2.5 ProSimilar release date
  4. 1164
    x-AI/Grok-Code-Fast 1Similar release date
  5. 1162
  6. 1072
    Devstral Medium

Ahead of 0 of 4 models released around the same time

Arena Search

Best Arena rating per model · Higher is better

Not ranked on Arena Search yet

Agent Arena

Best IPS score per model · Higher is better

Not ranked on Agent Arena yet

Not evaluated in DeepSWE 1.1 as of 2026-09-22. Results are only shown for exact model versions in the official dataset. Official leaderboard.

All published scores

Arena ratings: Arena (lmarena-ai/leaderboard-dataset), licensed CC BY 4.0. Ratings come from pairwise human votes and are only comparable within one leaderboard; the interval is Arena's 95% confidence interval. Model names are matched to the Vertical Tabs catalog.

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