Mistral AI · Released Dec 9, 2025Devstral 2
Mistral's coding-agent model for repository work, terminal tasks, and software fixes.
- Capability
- —No ECI score yet
- Input
- $0.40per 1M tokens
- Output
- $2.00per 1M tokens
- Context
- 262K262K 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 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
- Output
- Text
- Reasoning
- No
- Tool calling
- Yes
- Structured output
- No
- Weights
- Open weights
- API model ID
devstral-2512on Mistral- Availability
- 14 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.
More from Mistral AI
About Devstral 2
How much does Devstral 2 cost?
Devstral 2 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 2?
Devstral 2 accepts up to 262,144 tokens per request and can write up to 262,144 tokens in one response.
How good is Devstral 2?
Epoch AI has not published a Capabilities Index score for Devstral 2 yet.
Is Devstral 2 open source?
Yes. Mistral AI publishes the weights, so it can be downloaded and self-hosted.
What inputs does Devstral 2 support?
Devstral 2 accepts text and replies in text. It is not a dedicated reasoning model, supports tool calling.
When was Devstral 2 released?
Mistral AI released Devstral 2 on Dec 9, 2025. Its training data runs to Dec 2025.
What are the best alternatives to Devstral 2?
The closest current models from other labs on capability, price and release date are Nova 2 Lite (Amazon, $0.33 / $2.75), GPT-5.1 Codex mini (OpenAI, $0.25 / $2.00), Qwen3.5 27B (Alibaba (Qwen), $0.30 / $2.40) and Seed 2.0 Code (ByteDance Seed, $0.475 / $2.37).