Mistral AI

Mistral: Mistral Medium 3

Mistral Medium 3 is a high-performance enterprise-grade language model designed to deliver frontier-level capabilities at significantly reduced operational cost. It balances state-of-the-art reasoning and multimodal performance with 8× lower cost...

Tool callingVisionStreamingJSON mode
131.1K token context Released May 7, 2025

Intelligence overview

131.1K tok

Context window

104.9K tok

Max output

Capabilities

What Mistral: Mistral Medium 3 can do.

Multimodal

Image understanding

Reads and reasons over images alongside text in the same prompt.

File input

Reads uploaded files — documents, spreadsheets, code — directly in context.

Development

Tool calling

Calls external functions mid-response, then continues reasoning from the result.

Structured output

Returns responses constrained to a JSON schema, ready to parse without cleanup.

Streaming

Streams tokens as they're generated instead of waiting on the full response.

Performance

Design Arena — ranked #80 across 6 categories

Pricing

Pay for what you use.

Every model in UltraGPT runs behind one flat subscription — this is the underlying per-token cost the catalog tracks.

INPUT

$0.4 / 1M tok

OUTPUT

$2 / 1M tok

Cache read$0.04 / 1M tok
Use cases

Built for serious work.

Build

Generate and refactor code, with the ability to run and verify tool calls and return structured, parseable output.

Research

Holds up to 131.1K tokens of source material in context without losing the thread.

Create

Reads images alongside a prompt to ground creative and design work in what's actually on screen.

Preview

Ask Mistral: Mistral Medium 3 anything.

A preview of the real UltraGPT composer — the model you see here is the model you get.

Mistral: Mistral Medium 3 Ready

Continues in the UltraGPT app — one login, every model.

Comparison

How Mistral: Mistral Medium 3 stacks up.

The closest models in the catalog by provider, capability and score — real entries, pulled from the same directory.

Specification

Technical details.

Specification

Context window
131.1K tokens
Max output
104.9K tokens
Input modalities
Text + Image + File
Output modalities
Text
Knowledge cutoff
Mar 31, 2025
Release date
May 7, 2025
Streaming
Supported
Tool calling
Supported
JSON mode
Supported

Model identity

Provider
Mistral AI
Provider ID
mistralai

Model ID

Directory

More from Mistral AI, and everything else.

This model is one entry in the full UltraGPT catalog — browse the rest, compare pricing and context windows, or filter by capability.

Mistral: Mistral Medium 3, one subscription away.

UltraGPT puts this model — and every other one in the directory — behind a single login and one flat monthly price.