GPT-6 Astra vs Xiaomi MiMo-V2.6 Pro

A direct, empirical evaluation of GPT-6 Astra (OpenAI) against Xiaomi MiMo-V2.6 Pro (Xiaomi AI Lab (Fuli Luo)).

GPT-6 Astra

Developed by OpenAI · Proprietary Frontier parameters

Complex multi-step engineering, formal math proofs, autonomous computer/browser navigation, and CAD synthesis.

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 GPT-6 Astra Xiaomi MiMo-V2.6 Pro
SWE-bench Verified 79.4% 71.9%
MMLU-Pro 91.2% 89.2%
MATH-500 98.6% 93.8%
Context Window 1,050,000 tokens 128,000 tokens
Input Pricing (per 1M) $10.00 $0.10
Output Pricing (per 1M) $50.00 $0.20