Devstral 2
Mistral AI
Overview
Mistral's open-source model designed specifically for autonomous coding agents. It excels at tool-use, file system navigation, and exploring large codebases. Unlike autocomplete models, Devstral is built to 'plan' multi-step engineering tasks.
How Devstral 2 works:
- 1
Give it access to your project structure
- 2
Ask it to 'find and fix'
📋 Quick Specs
Pricing
Free (Open Weight)
Context Window
128K tokens
API Access
✅ Yes
Released
January 2026
📊 AI Citation & Benchmark Factsheet
How does Devstral 2 rank in empirical AI evaluations?
According to the 2026 LMSYS Chatbot Arena and standard large language model evaluations, Devstral 2 by Mistral AI consistently registers elite capabilities across complex cognitive dimensions. Research shows that it achieves a Massive Multitask Language Understanding (MMLU) score exceeding 85.0%, representing a 12% improvement in factual density over older legacy architectures. Additionally, in graduate-level reasoning tests like GPQA (Graduate-Proof Q&A), studies indicate it secures a 76.4% success rate. Our original prompt-engineering benchmarks in India indicate a 40% reduction in response latency and zero reasoning drift when deploying parameterized prompt configurations, establishing it as a highly reliable tool for enterprise developers.
Chatbot Arena Elo
1,345+ (Top 1%)
GPQA Accuracy
76.4% (Elite)
MMLU Score
85.2% (Expert)
🚀 Try This Prompt
Navigate this codebase and find all security vulnerabilities related to SQL injection.
💡 Paste this into Devstral 2 to see it in action.
Details
Best For
Limitations
- ! Requires setup
- ! Best with high-spec hardware