MiMo V2.6 Pro UltraSpeed

xiaomi/mimo-v2.6-pro-ultraspeed

A chat model with a 1M-token context window, at $4.5675 per million input tokens and $9.135 per million output tokens.

Details

Maker: xiaomi
Kind: Chat
Context window: 1,048,576 tokens
Max output: 131,072 tokens
Input: $4.5675 per million tokens
Cached input: $0.0378 per million tokens, 99% off
Cache write: Same as input
Output: $9.135 per million tokens
Capabilities: Reasoning, tool use, vision
Takes: Text, audio, image, video
Returns: Text
Zero data retention: Not on every provider
No training on requests: Not on every provider
Released: 2026-09-21

Description

MiMo V2.6 Pro UltraSpeed is Xiaomi's accelerated inference offering for MiMo V2.6 Pro, designed for interactive agents and workflows where response latency matters. It combines multimodal understanding of text, images, audio, and video with a 1M-token context window and up to 128K tokens of output. It supports deep thinking, tool calling, JSON mode, and prompt caching.

Call it

curl

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

Set PHANTOM_KEY to your key. Any OpenAI client works with the base URL https://phantom.codes/v1.

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