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Xiaomi · Language model

MiMo-V2.6-Pro-UltraSpeed

xiaomi/mimo-v2.6-pro-ultraspeed
  • Language
Released Sep 21, 2026

MiMo-V2.6-Pro-UltraSpeed is the fast speed edition of Xiaomi's flagship foundation model, MiMo-V2.6-Pro. Built from the same 1T MiMo-V2.6-Pro checkpoint, it matches the original model in quality while delivering roughly 10x...

Specifications

Context window
1,048,576 tokens
Max output
131,072 tokens
Input
text, image, video, audio
Output
text
Reasoning
supported
Tokenizer
Other

Supported parameters

Accepted by the model and forwarded as-is by the gateway.

  • frequency_penalty
  • max_tokens
  • presence_penalty
  • reasoning
  • response_format
  • stop
  • structured_outputs
  • temperature
  • tool_choice
  • tools
  • top_p

Use it

POST /api/v1/chat/completions · MCP chat · full reference

curl https://omnirail.org/api/v1/chat/completions \
  -H "Authorization: Bearer $OMNIRAIL_KEY" -H "Content-Type: application/json" \
  -d '{"model":"xiaomi/mimo-v2.6-pro-ultraspeed","messages":[{"role":"user","content":"Hello"}],"max_tokens":300}'