head-to-head

Xiaomi: MiMo-V2.6-Pro-UltraSpeed vs DeepSeek: DeepSeek V4 Flash Vision Exp

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

Xiaomi: MiMo-V2.6-Pro-UltraSpeed DeepSeek: DeepSeek V4 Flash Vision Exp
Vendorxiaomideepseek
Quality Score100100
Input Price$4.35/M$0.44/M
Output Price$8.70/M$1.32/M
Context Window1,048,5761,048,576
Max Output131,072943,717
Tool Calling✓✓
Structured Output✓✓
Reasoning Mode✓✓
Vision✓✓
Audio✓-

The verdict

For a sample job of 1 million input tokens and 250,000 output tokens, DeepSeek V4 Flash Vision Exp costs $0.77 and MiMo-V2.6-Pro-UltraSpeed costs $6.52, so DeepSeek V4 Flash Vision Exp is about 8.5 times cheaper for the same work.

Both read up to 1,048,576 tokens at once, roughly 1,573 pages of text.

Only MiMo-V2.6-Pro-UltraSpeed offers audio input and video input.

Across the 10 tasks where they differ, DeepSeek V4 Flash Vision Exp on 10 (SQL Generation, Code Completion, Code Documentation and others).

MiMo-V2.6-Pro-UltraSpeed was released in September 2026 and DeepSeek V4 Flash Vision Exp in August 2026.

Pick MiMo-V2.6-Pro-UltraSpeed if you need audio input or video input; pick DeepSeek V4 Flash Vision Exp if you need lower cost 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?

TaskXiaomi: MiMo-V2.6-Pro-UltraSpeedDeepSeek: DeepSeek V4 Flash Vision Exp
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 118 129
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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