Claude Opus 5.5 vs Xiaomi MiMo-V2.6 Pro
A direct, empirical evaluation of Claude Opus 5.5 (Anthropic) against Xiaomi MiMo-V2.6 Pro (Xiaomi AI Lab (Fuli Luo)).
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.
Xiaomi MiMo-V2.6 Pro
Developed by Xiaomi AI Lab (Fuli Luo) · 1.02 Trillion (Sparse MoE) parameters
High-accuracy autonomous coding (71.9% DeepSWE), cybersecurity defense (94.0% CyberGym), multimodal document reasoning, and cost-effective agentic workflows.
| Metric | Claude Opus 5.5 | Xiaomi MiMo-V2.6 Pro |
|---|---|---|
| SWE-bench Verified | 89.9% | 71.9% |
| MMLU-Pro | 92.4% | 89.2% |
| MATH-500 | 97.2% | 93.8% |
| Context Window | 500,000 tokens | 128,000 tokens |
| Input Pricing (per 1M) | $4.00 | $0.10 |
| Output Pricing (per 1M) | $20.00 | $0.20 |