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D

Devstral 2 123B

by Mistral AI
Flagship Free & Open Source 🏆 Ranked #32 of 85
77.5
Overall Score
out of 100
About

Mistral AI's large 123B coding model offering frontier code generation and completion across all major programming languages. Built for production software engineering at scale.

Key Metrics
Context Window
128K
tokens
Avg Response
1500
milliseconds
Input Cost
$0.6
per million tokens
Output Cost
$1.8
per million tokens
Arena ELO
1255
Chatbot Arena rating
MT-Bench
8.9
out of 10
Benchmark Scores
MMLU
82.0%
HumanEval
94.0%
MATH
79.0%
GPQA
50.0%
MT-Bench
89.0/10
Capability Profile
Strengths & Limitations
Strengths
✓ Top coding performance ✓ Full codebase understanding ✓ Open source ✓ Multi-language ✓ Agentic
Limitations
⚠ Server-scale hardware ⚠ Very large model ⚠ Coding-specialised
Ideal Use Cases
Enterprise code generation Full codebase analysis Agentic engineering Large-scale refactoring Technical documentation
Model Details
Provider Mistral AI
Released 2025-05-01
Type Free & Open Source
Multimodal No
Tier Flagship
Global rank #32 / 85
Pricing (USD)
Input tokens $0.6/M
Output tokens $1.8/M
Per 1,000 tokens ≈ $0.0006 input / $0.0018 output
All Benchmarks
MMLU 82.0%
HumanEval 94.0%
MATH 79.0%
GPQA 50.0%
MT-Bench 8.9/10
Arena ELO 1255
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