Mistral AI · Released Jul 10, 2025Devstral Medium
Mistral coding agent model for repository tasks and software engineering workflows.
- Capability
- —No ECI score yet
- Input
- $0.40per 1M tokens
- Output
- $2.00per 1M tokens
- Context
- 128K128K max output
What it costs
- Input
- $0.40per million tokens
- Output
- $2.00per million tokens
- Blended (3:1)
- $0.80pricier than 50% of priced models
Typical monthly bills
| Monthly usage | Estimated cost |
|---|---|
| Side project2M input + 0.5M output tokens | $1.80 |
| Team assistant25M input + 5M output tokens | $20.00 |
| Production app250M input + 50M output tokens | $200.00 |
Official Mistral API price, as listed on models.dev.
Independent benchmarks
Epoch AI has not published a Capabilities Index score for Devstral Medium yet.
The details
- Lab
- Mistral AI
- Released
- Jul 10, 2025
- Knowledge cutoff
- May 2025
- Context window
- 128,000 tokens
- Max output
- 128,000 tokens
- Inputs
- Text
- Output
- Text
- Reasoning
- No
- Tool calling
- Yes
- Structured output
- No
- Weights
- Proprietary
- API model ID
devstral-medium-2507on Mistral- Availability
- 2 API providerslisted on models.dev
- Status
- Deprecated by the provider
What Mistral AI claims
Published by the lab at launch. Settings vary, so compare these only with care.
| Benchmark | Score | Setting | Source |
|---|---|---|---|
| SWE-Bench Verified | 61.6 resolved | — | Source |
More from Mistral AI
About Devstral Medium
How much does Devstral Medium cost?
Devstral Medium costs $0.40 input / $2.00 output per million tokens (official Mistral API price). At a 3:1 input-to-output mix that is $0.80 per million tokens, more expensive than 50% of the 360 priced models we track.
What is the context window of Devstral Medium?
Devstral Medium accepts up to 128,000 tokens per request and can write up to 128,000 tokens in one response.
How good is Devstral Medium?
Epoch AI has not published a Capabilities Index score for Devstral Medium yet.
Is Devstral Medium open source?
No. Devstral Medium is proprietary; you use it through Mistral’s API or partner platforms.
What inputs does Devstral Medium support?
Devstral Medium accepts text and replies in text. It is not a dedicated reasoning model, supports tool calling.
When was Devstral Medium released?
Mistral AI released Devstral Medium on Jul 10, 2025. Its training data runs to May 2025.
What are the best alternatives to Devstral Medium?
The closest current models from other labs on capability, price and release date are GLM-4.5V (Z.ai (Zhipu), $0.60 / $1.80), Qwen3-Next 80B-A3B Instruct (Alibaba (Qwen), $0.50 / $2.00), Ling-1T (inclusionAI, $0.57 / $2.29) and GPT-5.1 Codex mini (OpenAI, $0.25 / $2.00).