Using Mistral Medium 3.5 on OpenRouter
Implementation guide · Mistral Medium · MistralAI
Quick Start
- 1
- 2Use the OpenRouter SDK or REST API to call
mistralai/mistral-medium-3-5— see the documentation for request format. - 3
Code Examples
About OpenRouter
OpenRouter provides a unified interface for Large Language Models with better pricing, improved uptime, and no subscription requirements. Route across providers for cost optimization and reliability.
OpenRouter is a multi-provider LLM aggregator offering unified API access to 300+ models from all major labs and emerging providers, with automatic failover for reliability.
Pricing on OpenRouter
| Type | Price (per 1M) |
|---|---|
| Input tokens | $1.50 |
| Output tokens | $7.50 |
| Image input | $1.00 |
Capabilities
About Mistral Medium 3.5
Mistral Medium 3.5 is Mistral AI's first flagship merged model, combining instruction-following, reasoning, coding, and vision in one dense 128B model. It supports configurable reasoning effort, text and image input, native function calling, JSON output, and a 256K context window. Released as open weights under Mistral's Modified MIT license, it can be self-hosted on as few as four H100/H200 GPUs and scores 77.6% on SWE-bench Verified.