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GPT-5.1 Codex Max vs Qwen3 Coder Next
Comprehensive side-by-side LLM comparison
GPT-5.1 Codex Max leads with 8.5% higher average benchmark score. Overall, GPT-5.1 Codex Max is the stronger choice for coding tasks.
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OpenAI
GPT-5.1 Codex Max, released by OpenAI in November 2025, is an enhanced coding variant from the GPT-5.1 Codex line, designed for more complex software engineering tasks requiring additional reasoning depth. It targets large-scale code generation, automated refactoring, and sophisticated agentic development workflows.
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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.
3 months newer
GPT-5.1 Codex Max
OpenAI
2025-11
Qwen3 Coder Next
Alibaba / Qwen
2026-02-04
Average performance across 1 common benchmarks
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GPT-5.1 Codex Max
Average Score:48.5%(+8.5%)
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Qwen3 Coder Next
Average Score:40.0%
Performance comparison across key benchmark categories
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GPT-5.1 Codex Max
Coding48.5%(+8.5%)
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Qwen3 Coder Next
Coding40.0%
Provider Availability & Performance
Available providers and their performance metrics
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GPT-5.1 Codex Max
0 providers
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Qwen3 Coder Next
0 providers
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GPT-5.1 Codex Max
Avg Score:48.5%(+8.5%)
Providers:0
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Qwen3 Coder Next
Avg Score:40.0%
Providers:0