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Devstral-2-123B vs Qwen3 Coder Next
Comprehensive side-by-side LLM comparison
Qwen3 Coder Next leads with 2.5% higher average benchmark score. Both models have their strengths depending on your specific coding needs.
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Mistral AI
Devstral 2, released by Mistral AI on December 9, 2025, is a 123 billion parameter dense transformer model specifically designed for software engineering tasks. It features a 256K token context window and achieved 72.2% on SWE-bench Verified at release, making it a competitive open-weight option for automated coding and agentic development. Devstral 2 targets code generation, multi-file software engineering, and agentic development workflows under a modified MIT license.
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Alibaba / Qwen
Qwen3 Coder Next is a coding-specialized open-weight model from Alibaba's Qwen3 family, built on the Qwen3-Next architecture with hybrid attention and Mixture-of-Experts design optimized for local development and agentic coding workflows. It targets on-device and self-hosted deployments requiring a capable coding agent that can operate within consumer hardware constraints.
1 month newer
Devstral-2-123B
Mistral AI
2025-12-09
Qwen3 Coder Next
Alibaba / Qwen
2026-02-04
Performance Metrics
Context window and performance specifications
Average performance across 1 common benchmarks
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Devstral-2-123B
Average Score:37.5%
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Qwen3 Coder Next
Average Score:40.0%(+2.5%)
Performance comparison across key benchmark categories
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Devstral-2-123B
Coding37.5%
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Qwen3 Coder Next
Coding40.0%(+2.5%)
Provider Availability & Performance
Available providers and their performance metrics
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Devstral-2-123B
1 providers
OpenRouter
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Qwen3 Coder Next
0 providers
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Devstral-2-123B
Avg Score:37.5%
Providers:1
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Qwen3 Coder Next
Avg Score:40.0%(+2.5%)
Providers:0