MiniMax M2.5 High Speed

minimax/minimax-m2.5-highspeed

A chat model with a 205K-token context window, at $0.63 per million input tokens and $2.52 per million output tokens.

Details

Maker: minimax
Kind: Chat
Context window: 204,800 tokens
Max output: 131,000 tokens
Input: $0.63 per million tokens
Cached input: $0.0315 per million tokens, 95% off
Cache write: $0.39375 per million tokens
Output: $2.52 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: 2026-02-12
Newer model: minimax/minimax-m3Released later by the same maker, costs no more, and lists the same capabilities. Compare the two

Description

M2.5 highspeed: Same performance, faster and more agile (output speed approximately 100 tps)

Call it

curl

curl https://phantom.codes/v1/chat/completions \
  -H "Authorization: Bearer $PHANTOM_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "minimax/minimax-m2.5-highspeed",
    "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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