MiniMax M3

minimax/minimax-m3

A chat model with a 512K-token context window, at $0.315 per million input tokens and $1.26 per million output tokens.

Details

Maker: minimax
Kind: Chat
Context window: 512,000 tokens
Max output: 512,000 tokens
Input: $0.315 per million tokens
Cached input: $0.063 per million tokens, 80% off
Cache write: Same as input
Output: $1.26 per million tokens
Capabilities: Reasoning, tool use, vision, file input
Takes: Text, image, pdf
Returns: Text
Zero data retention: Not on every provider
No training on requests: Not on every provider
Released: 2026-05-31

Description

MiniMax-M3 is a frontier-class foundation model that unites the three capabilities defining today's frontier: a 1M-token context window, frontier coding and agentic performance, and native multimodality — the first open-weight model to deliver all three in a single system.

Call it

curl

curl https://phantom.codes/v1/chat/completions \
  -H "Authorization: Bearer $PHANTOM_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "minimax/minimax-m3",
    "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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