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MiniMax · Language model

MiniMax M2.1

minimax/minimax-m2.1
  • Language
Released Dec 23, 2025

MiniMax-M2.1 is a lightweight, state-of-the-art large language model optimized for coding, agentic workflows, and modern application development. With only 10 billion activated parameters, it delivers a major jump in real-world...

Specifications

Context window
204,800 tokens
Max output
131,072 tokens
Input
text
Output
text
Reasoning
always on
Tokenizer
Other

Supported parameters

Accepted by the model and forwarded as-is by the gateway.

  • frequency_penalty
  • max_tokens
  • presence_penalty
  • reasoning
  • repetition_penalty
  • response_format
  • seed
  • stop
  • temperature
  • tool_choice
  • tools
  • top_k
  • top_p

Use it

POST /api/v1/chat/completions · MCP chat · full reference

curl https://omnirail.org/api/v1/chat/completions \
  -H "Authorization: Bearer $OMNIRAIL_KEY" -H "Content-Type: application/json" \
  -d '{"model":"minimax/minimax-m2.1","messages":[{"role":"user","content":"Hello"}],"max_tokens":300}'