MiniMax M2.1

minimax/minimax-m2.1

A chat model with a 205K-token context window, at $0.315 per million input tokens and $1.26 per million output tokens.

Details

Maker: minimax
Kind: Chat
Context window: 204,800 tokens
Max output: 131,072 tokens
Input: $0.315 per million tokens
Cached input: $0.0315 per million tokens, 90% off
Cache write: $0.39375 per million tokens
Output: $1.26 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: 2025-12-23
Newer model: minimax/minimax-m3Released later by the same maker, costs no more, and lists the same capabilities. Compare the two

Description

MiniMax 2.1 is MiniMax's latest model, optimized specifically for robustness in coding, tool use, instruction following, and long-horizon planning.

Call it

curl

curl https://phantom.codes/v1/chat/completions \
  -H "Authorization: Bearer $PHANTOM_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "minimax/minimax-m2.1",
    "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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