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Mistral AI · API model

Mistral Medium 3.5

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...

Context
262K
Input / 1M
$1.5
Output / 1M
$7.5
Released
Apr 30, 2026
Specifications

Mistral Medium 3.5 specs

Provider
Mistral AI
Type
API model
Model ID
mistralai/mistral-medium-3-5
Context window
262,144 tokens262K
Input price
$1.5per 1M input tokens
Output price
$7.5per 1M output tokens
Accepts
file, image, text
Produces
text
Released
Apr 30, 2026
Source
OpenRouter
Overview

About Mistral Medium 3.5

Mistral Medium 3.5 is an API model from Mistral AI, released on Apr 30, 2026, with a context window of 262,144 tokens, pricing of $1.5 per million input tokens and $7.5 per million output tokens. It accepts file, image, text input and produces text output.

At listed prices, a request with 10,000 input tokens and 1,000 output tokens costs about $0.022.

Specs are sourced from OpenRouter and were last checked on Aug 13, 2026. Always confirm current pricing and limits with the provider before production use.

Tool callingStructured outputsJSON modeReasoning
FAQ

Mistral Medium 3.5 questions

What is the context window of Mistral Medium 3.5?

Mistral Medium 3.5 supports a context window of 262,144 tokens.

How much does Mistral Medium 3.5 cost?

Mistral Medium 3.5 is listed at $1.5 per million input tokens and $7.5 per million output tokens on OpenRouter.

When was Mistral Medium 3.5 released?

Mistral Medium 3.5 was published on Apr 30, 2026.

What inputs does Mistral Medium 3.5 accept?

Mistral Medium 3.5 accepts file, image, text input and produces text output.