Mistral AI
Devstral is an agentic LLM for software engineering tasks. Devstral 2 excels at using tools to explore codebases, editing multiple files and power software engineering agents. The model achieves remarkable performance on SWE-bench.
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28.4
Quality Score
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Arena ELO
123B
Parameters
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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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11.2K
Downloads
342
Likes
Nov 2025
Released
3/5 signals
1/4 signals
3/5 signals
3/4 signals
3/4 signals
Parameters
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Training compute
Not reported
Dataset scale
Not reported
Base model
Not reported
Gaps we are still tracking
Metadata sources
Launches
2
Open Source
1
General
8
Recent launch, pricing, benchmark, and API signals linked to this model or its provider.
Devstral-2-123B-Instruct-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.
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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-2-123B-Instruct-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.