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Mistral AI · API model

Mistral Medium 3.1

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...

Context
131K
Input / 1M
$0.4
Output / 1M
$2
Released
Aug 13, 2025
Specifications

Mistral Medium 3.1 specs

Provider
Mistral AI
Type
API model
Model ID
mistralai/mistral-medium-3.1
Context window
131,072 tokens131K
Input price
$0.4per 1M input tokens
Output price
$2per 1M output tokens
Accepts
text, image, file
Produces
text
Released
Aug 13, 2025
Source
OpenRouter
Overview

About Mistral Medium 3.1

Mistral Medium 3.1 is an API model from Mistral AI, released on Aug 13, 2025, with a context window of 131,072 tokens, pricing of $0.4 per million input tokens and $2 per million output tokens. It accepts text, image, file input and produces text output.

At listed prices, a request with 10,000 input tokens and 1,000 output tokens costs about $0.006.

Specs are sourced from OpenRouter and were last checked on Nov 3, 2026. Always confirm current pricing and limits with the provider before production use.

Tool callingStructured outputsJSON mode
FAQ

Mistral Medium 3.1 questions

What is the context window of Mistral Medium 3.1?

Mistral Medium 3.1 supports a context window of 131,072 tokens.

How much does Mistral Medium 3.1 cost?

Mistral Medium 3.1 is listed at $0.4 per million input tokens and $2 per million output tokens on OpenRouter.

When was Mistral Medium 3.1 released?

Mistral Medium 3.1 was published on Aug 13, 2025.

What inputs does Mistral Medium 3.1 accept?

Mistral Medium 3.1 accepts text, image, file input and produces text output.