Model comparison
Devstral Medium & Small 1.1 (25.07) vs Devstral Small (25.05)
- Input
- $0.10 / 1M tokens (Devstral Small 1.1); $0.40 / 1M tokens (Devstral Medium)
- Output
- $0.30 / 1M tokens (Devstral Small 1.1); $2.00 / 1M tokens (Devstral Medium)
- Context
- 128K
- Released
- 2025-07-10
- Input
- $0.10 / 1M tokens
- Output
- $0.30 / 1M tokens
- Context
- 128K
- Released
- 2025-05-21
Devstral Medium & Small 1.1 (25.07) scores higher on 1 of the 1 benchmarks both models report; both charge the same $0.1 per 1M input tokens.
Specs and pricing side by side
| Spec | Devstral Medium & Small 1.1 (25.07) | Devstral Small (25.05) |
|---|---|---|
| Maker | Mistral AI | Mistral AIsame |
| Released | 2025-07-10 | 2025-05-21 |
| Context window | 128K | 128Ksame |
| Input price | $0.10 / 1M tokens (Devstral Small 1.1); $0.40 / 1M tokens (Devstral Medium) | $0.10 / 1M tokens |
| Output price | $0.30 / 1M tokens (Devstral Small 1.1); $2.00 / 1M tokens (Devstral Medium) | $0.30 / 1M tokens |
| Parameters | Devstral Small 1.1: 24B; Devstral Medium: not disclosed | 24B |
| License | Devstral Small 1.1: Apache 2.0; Devstral Medium: proprietary (API only) | Apache 2.0 |
| Weights | Open weights | Open weightssame |
| Modalities | Text | Textsame |
| Knowledge cutoff | 2025 | 2025same |
Not published by either maker: max output.
Benchmarks both models report
| Benchmark | Devstral Medium & Small 1.1 (25.07) | Devstral Small (25.05) |
|---|---|---|
| SWE-Bench Verified | 53.6% | 46.8% |
Scores are as published by each maker or its cited source; harness, reasoning effort and date can differ between rows, so treat small gaps as ties. Sources are listed on each model page.
Which one should you pick?
Pick Devstral Medium & Small 1.1 (25.07) if…
- You care about SWE-Bench Verified (it scores higher on 1 shared benchmark).
- Your use case is: open, self-hostable coding agents (Devstral Small 1.1).
Pick Devstral Small (25.05) if…
- Your use case is: open, self-hosted coding agents for resolving GitHub issues.
FAQ
Which is better, Devstral Medium & Small 1.1 (25.07) or Devstral Small (25.05)?
Devstral Medium & Small 1.1 (25.07) scores higher on 1 of the 1 benchmarks both models report; both charge the same $0.1 per 1M input tokens. The better pick depends on whether you value benchmark scores, price per token, context length or openness for your workload.
How do Devstral Medium & Small 1.1 (25.07) and Devstral Small (25.05) pricing compare?
Devstral Medium & Small 1.1 (25.07): $0.10 / 1M tokens (Devstral Small 1.1); $0.40 / 1M tokens (Devstral Medium) input, $0.30 / 1M tokens (Devstral Small 1.1); $2.00 / 1M tokens (Devstral Medium) output. Devstral Small (25.05): $0.10 / 1M tokens input, $0.30 / 1M tokens output (list API prices as published by each maker).
What are the context windows of Devstral Medium & Small 1.1 (25.07) and Devstral Small (25.05)?
Devstral Medium & Small 1.1 (25.07) offers 128K; Devstral Small (25.05) offers 128K.
Is Devstral Medium & Small 1.1 (25.07) newer than Devstral Small (25.05)?
Devstral Medium & Small 1.1 (25.07) was released 2025-07-10; Devstral Small (25.05) was released 2025-05-21.