Mistral Medium 3.5 Thinking

mistralai/mistral-medium-3.5:thinking

Mistral Medium 3.5 with reasoning enabled by default (reasoning_effort=high), for complex coding, agentic, and multi-step reasoning prompts.

Vision
Reasoning
Tool calling
Structured output

Chat with this model Create an API key

Pricing

Includes our margin. Charged per request from your balance.

Input: $1.65 per 1M tokens
Output: $8.25 per 1M tokens
Typical message: $0.0099

Details

Provider: Mistral
Context: 256K tokens
Max output: 33K tokens
Added: Apr 30, 2026
Reasoning effort: none, high

Use it from the API

Replace $HIDE_API_KEY with a key from the Developers page. Base URL https://hide.st/api/v1.

curl https://hide.st/api/v1/chat/completions \
  -H "Authorization: Bearer $HIDE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "mistralai/mistral-medium-3.5:thinking",
    "messages": [
      {"role": "user", "content": "Hello!"}
    ]
  }'