Skip to contentx402 is live on Robinhood Chain: agents can now pay for any model, per call, in USDG →
OmniRail
← All models

Mistral · Language model

Mistral Medium 3.5

mistralai/mistral-medium-3-5
  • Language
Released Apr 30, 2026

Mistral Medium 3.5 is a dense 128B instruction-following model from Mistral AI. It supports text and image inputs with text output, and is designed for agentic workflows, coding, and complex...

Specifications

Context window
262,144 tokens
Max output
209,715 tokens
Input
text, image, file
Output
text
Reasoning effort
high, none
Tokenizer
Mistral

Supported parameters

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

  • frequency_penalty
  • max_tokens
  • presence_penalty
  • reasoning
  • reasoning_effort
  • 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-3-5","messages":[{"role":"user","content":"Hello"}],"max_tokens":300}'