head-to-head

OpenAI: GPT-5.6 Terra Pro vs Xiaomi: MiMo-V2.5

Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-11-07.

OpenAI: GPT-5.6 Terra Pro Xiaomi: MiMo-V2.5
Vendoropenaixiaomi
Quality Score100100
Input Price$2.00/M$0.40/M
Output Price$12.00/M$2.00/M
Context Window1,050,0001,000,000
Max Output128,00065,536
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio-✓

The verdict

For a sample job of 1 million input tokens and 250,000 output tokens, MiMo-V2.5 costs $0.90 and GPT-5.6 Terra Pro costs $5.00, so MiMo-V2.5 is about 5.6 times cheaper for the same work.

Both take in a similar amount of text: 1,050,000 and 1,000,000 tokens, about 1,575 and 1,500 pages.

Only MiMo-V2.5 offers audio input and video input.

Across the 10 tasks where they differ, MiMo-V2.5 on 10 (SQL Generation, Code Completion, Code Documentation and others).

GPT-5.6 Terra Pro was released in July 2026 and MiMo-V2.5 in April 2026.

Pick MiMo-V2.5 if you need lower cost, audio input, video input or the stronger all-round task scores.

Costs use current list prices per million tokens; page counts assume about 0.75 words per token and 500 words per page.

Who wins by task?

TaskOpenAI: GPT-5.6 Terra ProXiaomi: MiMo-V2.5
SQL Generation 132 133
Code Completion 117 131
Code Documentation 129 131
Regex Writing 117 119
CSV / Spreadsheet Cleanup 132 133
JSON Extraction 121 131
Bulk Data Labeling 117 129
Long-Document Summarization 136 137
Short-Form Summarization 113 123
Blog Post Writing 120 121

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

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