head-to-head

OpenAI: GPT-6 Sol Pro (batch) vs Xiaomi: MiMo-V2.6-Pro-UltraSpeed

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-09-23.

OpenAI: GPT-6 Sol Pro (batch) Xiaomi: MiMo-V2.6-Pro-UltraSpeed
Vendoropenaixiaomi
Quality Score100100
Input Price$1.00/M$4.35/M
Output Price$5.00/M$8.70/M
Context Window1,050,0001,048,576
Max Output128,000131,072
Tool Calling
Structured Output
Reasoning Mode
Vision
Audio-

Who wins by task?

TaskOpenAI: GPT-6 Sol Pro (batch)Xiaomi: MiMo-V2.6-Pro-UltraSpeed
SQL Generation 133 132
Code Completion 118 117
Code Documentation 130 129
Regex Writing 118 117
CSV / Spreadsheet Cleanup 133 132
JSON Extraction 122 121
Bulk Data Labeling 120 118
Long-Document Summarization 137 136
Short-Form Summarization 114 113
Blog Post Writing 121 120

Scores reflect capability match + benchmark data + pricing for each task. Methodology →

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