Mistral AI model product
Devstral Medium
6% on SWE-Bench Verified.
Updated Aug 12, 2026. Default version: Devstral Medium
LLMBoard score24.0Devstral Medium
Coverage20%1 benchmark families
Context window128KTokens
Official input price$0.40Mistral API
Devstral Medium Specifications
Technical details for the model's default version.
- Version
- Devstral Medium
- Released
- Jul 10, 2025
- Knowledge cutoff
- May 1, 2025
- Parameters
- N/A
- Context window
- 128K
- Max output
- 128K
- Inputs
- text
- Outputs
- text
- Open weights
- No
- License
- Proprietary
Devstral Medium Capability Profile
This profile uses the model's current scored version. Arena ratings and prices are shown separately.
Devstral Medium Benchmark Results
Benchmark scores for Devstral Medium.
| SWE-Bench Verified | 61.6% | 77 | 105 | 26.9% | C |
Devstral Medium Arena Results
Preference and agent-evaluation results for the default version.
| webdev | overall | 111 | 1079.7 | 831 | N/A |
Devstral Medium Runtime Performance
Provider-specific output speed and catalog latency for Devstral Medium. Runtime does not affect the capability score.
| Mistral AI | 137.1 tok/s | 0.23 s | 128K | 128K |
Output Speed is generated output tokens received per second. Catalog latency is reported separately from observed provider TTFT.
Devstral Medium Pricing
Official vendor API pricing appears first, followed by individual provider offers.
- Official API
- $0.40 input, $2 output per 1M
- Official provider
- Mistral
- Lowest third-party
- From $0.40 input, $2 output per 1M via Merge Gateway
- Tracked offerings
- 2
| Mistral | devstral-medium-2507 | global | $0.40 | $2 | 128K | |
| Merge Gateway | mistral/devstral-medium-2507 | global | $0.40 | $2 | 128K |
Official prices use only the vendor's configured official Provider and positive standard USD PAYG rates. Third-party offers remain explicitly labeled.
Devstral Medium Versions
Available versions of this model. The score column identifies the version used in the overall ranking.
| Devstral Medium | 24.0 | N/A | 128K | 128K | No | Proprietary |
What is Devstral Medium?
Key information about Devstral Medium and its available data.
6% on SWE-Bench Verified. Devstral Medium is available through the Mistral public API, and offers exceptional performance at a competitive price point, making it an ideal choice for businesses and developers looking for a high-quality, cost-effective model.
Data as of 2026-08-11.
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FAQ
Common questions about Devstral Medium.
When was Devstral Medium released?
Devstral Medium's default version was released on Jul 10, 2025.
How much does Devstral Medium cost?
Devstral Medium's official API price is $0.40 per million input tokens and $2 per million output tokens via Mistral. The lowest tracked third-party offer starts at $0.40 input and $2 output via Merge Gateway.
Who created Devstral Medium?
Devstral Medium was created by Mistral AI.
What is the context window for Devstral Medium?
The default version has a 128K token context window.
Is Devstral Medium open weight?
No. The default version is not marked as having publicly available weights.
How many API providers offer Devstral Medium?
2 provider offerings are linked to the default version.
What models should I compare Devstral Medium with?
Nearby ranked alternatives include GPT-4.1-mini, Llama 3.1 405B, Gemma 4 E4B.