Claude Opus 5.5 vs Qwen 2.5 Max

A direct, empirical evaluation of Claude Opus 5.5 (Anthropic) against Qwen 2.5 Max (Alibaba Cloud).

Claude Opus 5.5

Developed by Anthropic · Proprietary Frontier Reasoner parameters

Autonomous enterprise codebase migrations, GitHub Copilot multi-file edits, SWE-bench Pro issue resolution (89.9%), and CodeRabbit automated reviews.

Qwen 2.5 Max

Developed by Alibaba Cloud · Proprietary (~700B) parameters

Cross-lingual document extraction and structured structured output generation.

Metric Claude Opus 5.5 Qwen 2.5 Max
SWE-bench Verified 89.9% 51.4%
MMLU-Pro 92.4% 77.2%
MATH-500 97.2% 89.4%
Context Window 500,000 tokens 128,000 tokens
Input Pricing (per 1M) $4.00 $1.60
Output Pricing (per 1M) $20.00 $6.40