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Mistral Medium 3.5

Mistral Medium 3.5 is an open-weight multimodal model from Mistral AI optimized for agentic and coding workloads, with a 256K-token context window.

Official siteVerified Oct 3, 2026

Overview

The model supports chat completions, function calling, structured outputs, document QnA, batching, and Mistral's Agents and Conversations APIs.

Model specifications

Family: Mistral Medium
Context: 256,000 tokens
Input: Text, Image
Output: Text
Open weights: Yes
Capabilities: Reasoning, Vision, Tool Use, Function Calling, Structured Output

Related entities

Related by Develops

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Mistral AI

Mistral AI develops language models and operates Studio, its developer platform for model APIs, agents, document processing, and related AI workloads.

Available Via

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Mistral API

Mistral API provides programmatic access to Mistral models, chat completions, agents, tool use, structured outputs, embeddings, document workflows, and batch processing.