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Mistral · Language model

Mistral Medium 3.1

mistralai/mistral-medium-3.1
  • Language
Released Aug 13, 2025

Mistral Medium 3.1 is an updated version of Mistral Medium 3, which is a high-performance enterprise-grade language model designed to deliver frontier-level capabilities at significantly reduced operational cost. It balances...

Specifications

Context window
131,072 tokens
Max output
104,857 tokens
Input
text, image, file
Output
text
Tokenizer
Mistral
Knowledge cutoff
2025-06-30

Supported parameters

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

  • frequency_penalty
  • max_tokens
  • presence_penalty
  • response_format
  • seed
  • stop
  • structured_outputs
  • temperature
  • tool_choice
  • tools
  • 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":"mistralai/mistral-medium-3.1","messages":[{"role":"user","content":"Hello"}],"max_tokens":300}'