Claude Fable 5.1 vs Xiaomi MiMo-V2.6 Flash

A direct, empirical evaluation of Claude Fable 5.1 (Anthropic) against Xiaomi MiMo-V2.6 Flash (Xiaomi AI Lab).

Claude Fable 5.1

Developed by Anthropic · Proprietary Frontier parameters

Full-repository software refactoring, agentic tool workflows, formal verification, and 1.5M-token needle retrieval.

Xiaomi MiMo-V2.6 Flash

Developed by Xiaomi AI Lab · 185 Billion (Sparse MoE) parameters

Low-latency agent loops, high-volume classification, and developer code completion.

Metric Claude Fable 5.1 Xiaomi MiMo-V2.6 Flash
SWE-bench Verified 82.8% 64.2%
MMLU-Pro 92.4% 82.4%
MATH-500 97.9% 89.5%
Context Window 1,500,000 tokens 128,000 tokens
Input Pricing (per 1M) $12.00 $0.04
Output Pricing (per 1M) $60.00 $0.08