Updated daily at 05:00 UTC
- Released
- 9 Dec 2025
- Status
- Retired
- Retired
- 31 Jul 2026
- Context
- 262.1K
- Max output
- —
- Input per 1M tokens
- $0.40
- Output per 1M tokens
- $2.00
- Open weights
- Yes
- License
- modified-mit
- Parameters
- 123B
- Knowledge cutoff
- —
- Reasoning
- No
- Modalities
- text → text
Category scores
Out of 100, from independent and third-party results only, by method category-2026-09-29.1.
| Category | Score | Rank | Coverage |
|---|---|---|---|
| Human preference | 23.6 | Not ranked | 1 of 5 |
Benchmark results
Every result we hold for this model, with who ran it and where it was published.
Human preference
| Benchmark | Metric | Value | Provenance | Setting | Evaluated | Source |
|---|---|---|---|---|---|---|
| Code Arena: WebDev (arena.ai) | Arena score (Elo scale) | 1196 | Independent | — | 25 Sep 2026 | Arena |
| Code Arena: WebDev (arena.ai) | Votes | 1182 | Independent | — | 25 Sep 2026 | Arena |
Other Devstral versions
- Devstral Small 29 Dec 2025
- Devstral Medium 1.010 Jul 2025
- Devstral Small 1.110 Jul 2025
- Devstral Small 1.021 May 2025