Mistral AI · Released Dec 9, 2025Devstral Small 2
Compact multimodal coding model for repository exploration, file editing, and software agents.
- Capability
- —No ECI score yet
- Input
- $0.10per 1M tokens
- Output
- $0.30per 1M tokens
- Context
- 262K262K max output
What it costs
- Input
- $0.10per million tokens
- Output
- $0.30per million tokens
- Blended (3:1)
- $0.15cheaper than 83% of priced models
Typical monthly bills
| Monthly usage | Estimated cost |
|---|---|
| Side project2M input + 0.5M output tokens | $0.35 |
| Team assistant25M input + 5M output tokens | $4.00 |
| Production app250M input + 50M output tokens | $40.00 |
Median of 1 paid API provider on models.dev.
Independent benchmarks
Epoch AI has not published a Capabilities Index score for Devstral Small 2 yet.
The details
- Lab
- Mistral AI
- Released
- Dec 9, 2025
- Knowledge cutoff
- Dec 2025
- Context window
- 262,144 tokens
- Max output
- 262,144 tokens
- Inputs
- Text, Images
- Output
- Text
- Reasoning
- No
- Tool calling
- Yes
- Structured output
- No
- Weights
- Open weights · Apache-2.0
- Availability
- 1 API providerlisted on models.dev
More from Mistral AI
About Devstral Small 2
How much does Devstral Small 2 cost?
Devstral Small 2 costs $0.10 input / $0.30 output per million tokens (median across 1 API provider). At a 3:1 input-to-output mix that is $0.15 per million tokens, cheaper than 83% of the 360 priced models we track.
What is the context window of Devstral Small 2?
Devstral Small 2 accepts up to 262,144 tokens per request and can write up to 262,144 tokens in one response.
How good is Devstral Small 2?
Epoch AI has not published a Capabilities Index score for Devstral Small 2 yet.
Is Devstral Small 2 open source?
Yes. Mistral AI publishes the weights under the Apache-2.0 licence, so it can be downloaded and self-hosted.
What inputs does Devstral Small 2 support?
Devstral Small 2 accepts text and images and replies in text. It is not a dedicated reasoning model, supports tool calling.
When was Devstral Small 2 released?
Mistral AI released Devstral Small 2 on Dec 9, 2025. Its training data runs to Dec 2025.
What are the best alternatives to Devstral Small 2?
The closest current models from other labs on capability, price and release date are GLM-4.7-FlashX (Z.ai (Zhipu), $0.07 / $0.40), Step 3.5 Flash (StepFun, $0.10 / $0.30), Granite-4.0-H-Small (IBM, $0.064 / $0.265) and Apertus 8B (Swiss AI, $0.10 / $0.20).