MiMo V2.5 Pro

xiaomi/mimo-v2.5-pro

A chat model with a 1.1M-token context window, at $0.319725 per million input tokens and $0.63945 per million output tokens.

Details

Maker: xiaomi
Kind: Chat
Context window: 1,050,000 tokens
Max output: 131,000 tokens
Input: $0.319725 per million tokens
Cached input: $0.00294 per million tokens, 99% off
Cache write: Same as input
Output: $0.63945 per million tokens
Capabilities: Reasoning, tool use
Takes: Text
Returns: Text
Zero data retention: Not on every provider
No training on requests: Not on every provider
Released: 2026-04-22

Description

MiMo V2.5 Pro delivers significant improvements over its predecessor, MiMo-V2-Pro, in general agentic capabilities, complex software engineering, and long-horizon tasks. MiMo-V2.5-Pro is a 1.02T-parameter Mixture-of-Experts model with 42B active parameters, built on a hybrid-attention architecture with a 1M-token context window.

Call it

curl

curl https://phantom.codes/v1/chat/completions \
  -H "Authorization: Bearer $PHANTOM_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "xiaomi/mimo-v2.5-pro",
    "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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