Mistral AI: Mistral: Devstral 2 2512
Devstral 2 is a state-of-the-art open-source model by Mistral AI specializing in agentic coding. It is a 123B-parameter dense transformer model supporting a 256K context window. Devstral 2 supports exploring... State-of-the-art open-source agentic coding model 123B dense transformer with 256K context Specialized for software engineering workflows Strong extended thinking and self-correction Narrower general capability than Mistral Large Primarily optimized for coding over general tasks Newer model with less real-world validation Agentic coding and software development Complex multi-file programming tasks Cost-effective alternative to closed coding models Open-source software engineering workflows
Specifications
| Lab | Mistral AI |
|---|---|
| Context window | 262,144 |
| Input price | $0.40/1M |
| Output price | $2.00/1M |
| Release | 2025-12-01 00:00:00 |
Strengths
- State-of-the-art open-source agentic coding model
- 123B dense transformer with 256K context
- Specialized for software engineering workflows
- Strong extended thinking and self-correction
Weaknesses
- Narrower general capability than Mistral Large
- Primarily optimized for coding over general tasks
- Newer model with less real-world validation
Best for
- Agentic coding and software development
- Complex multi-file programming tasks
- Cost-effective alternative to closed coding models
- Open-source software engineering workflows
In Depth: Mistral: Devstral 2 2512
Summary
Mistral: Devstral 2 2512 is an AI model from Mistral AI.
Released 2025-12-01 00:00:00. It currently appears in the Overall category on LMRank. It supports Text, file input and produces Text output, with a context window of 262.1K tokens. Input pricing is $0.40 per 1M tokens and output is $2.00 per 1M tokens on OpenRouter.