Mistral AI
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...
Running this yourself: can likely run on your own machine.
Devstral 2 is a state-of-the-art open-source model by Mistral AI specializing in agentic coding.
OpenRouter
Price record: 2026-10-03. Source: openrouter.
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26.0
Quality Score
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Arena ELO
123B
Parameters
262K
Context
This measures the amount of verifiable public evidence we have, not how capable the model is. A missing field means it has not been verified yet, not that its value is zero.
13 of 22 public signals
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Dec 2025
Released
3/5 signals
3/4 signals
4/5 signals
1/4 signals
2/4 signals
Gaps we are still tracking
Launches
2
Benchmarks
1
Open Source
1
General
8
Recent launch, pricing, benchmark, and API signals linked to this model or its provider.
SWE-Bench Verified resolved rate 53.8
View sourceDevstral 2 2512 is now available through local Ollama runtime and Ollama Cloud. 256K context window listed. 123B model that excels at using tools to explore codebases, editing multiple files and power software engineering agents.
View source
Mistral is bringing @aiDotEngineer back to Paris. After last year’s sold-out edition, our VP of Engineering Lélio Renard-Lavaud joins speakers from @bfl_ai , @cognition, @huggingface, and more. Explore the event and secure your spot: https://t.co/SyEfmXAdCF
Devstral 2 2512 is now available through local Ollama runtime and Ollama Cloud. 256K context window listed. 123B model that excels at using tools to explore codebases, editing multiple files and power software engineering agents.
SWE-Bench Verified resolved rate 53.8