Mistral

Mistral Medium 3

CTX131K

Retired

46Quality

Vision · Tools

Input$0.40/M

Output$2/M

Mistral model for multilingual chat, reasoning, and tool-assisted workflows

PaidProprietary567/1040

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MistralTextUncommonRetired

Mistral Medium 3

Mistral model for multilingual chat, reasoning, and tool-assisted workflows

mistral-medium-2505

Type: Text
Quality: 46 · Top 54% on the Epoch Capabilities Index
Context window: 131,072 tokens
Max output: 131,072 tokens
Input price: $0.40 / 1M tokens
Output price: $2.00 / 1M tokens
Cache read: —
Cache write: —
Released: May 7, 2025
Knowledge cutoff: May 2025
Takes in: Text, Image
Puts out: Text
Reasoning: No
Tool calling: Yes
Structured output: No
File attachments: Yes
Access: Paid
License: Proprietary
Rarity: Uncommon
Set number: 567/1040

Open Mistral docs Quality 46 Where to run it 12 Evolution 1/3 Meet its creature Battle Grok Build 0.1

Weights aren’t public. Use is governed by Mistral’s terms. Specs from models.dev, last changed Oct 18, 2026. Official source: docs.mistral.ai.

How good is it?

Public leaderboard scores for Mistral Medium 3, refreshed daily from Epoch AI and LMArena.

Top 54% of the 277 models on the Epoch Capabilities Index: #149.

Quality is the share of a leaderboard’s models this one beats, from 0 to 100. Chat models are rated on Epoch AI’s Capabilities Index when it lists them, otherwise on LMArena; image and video models on LMArena’s image and video arenas.

Leaderboards

Epoch Capabilities Index#149 of 277
One number fitted from dozens of hard benchmarks, from science questions to agentic coding.134.1 index
LMArena Text#184 of 416
People compare two anonymous answers and vote for the better one.1,370 rating
LMArena Text · Coding#186 of 411
The text arena’s coding prompts only.1,385 rating
LMArena Text · Math#212 of 400
The text arena’s math prompts only.1,353 rating
LMArena Text · Creative writing#175 of 414
The text arena’s creative writing prompts only.1,344 rating
LMArena Vision#115 of 165
Questions about images, voted by people.1,157 rating

Benchmarks Epoch AI runs

Scores from Epoch AI and LMArena, licensed CC BY 4.0. Boards list models under their own names, so a close match is shown with the name it was scored under. Credits

Where to run it

12 providers sell Mistral Medium 3 through an API. Prices are per million tokens, cheapest first.

CheapestAzure$0.40 in · $2.00 out
Free to try1 providerNvidia
From the labMistral$0.40 in · $2.00 out

API providers

Provider	Input	Output	Context
NvidiaFree`mistralai/mistral-medium-3-instruct`	Free	Free	131K
AzureCheapest paid`mistral-medium-2505`	$0.40	$2.00	128K
Azure Cognitive Services`mistral-medium-2505`	$0.40	$2.00	128K
Eden AI`mistral/mistral-medium-3`	$0.40	$2.00	262K
Kilo Gateway`mistralai/mistral-medium-3`	$0.40	$2.00	131K
Merge Gateway`mistral/mistral-medium-2505`	$0.40	$2.00	128K
MistralOfficial`mistral-medium-2505`	$0.40	$2.00	131K
NanoGPT`mistralai/mistral-medium-3`	$0.40	$2.00	131K
OpenRouter`mistralai/mistral-medium-3`	$0.40	$2.00	131K
Pioneer`mistral-medium`	$0.40	$2.00	128K

Show 2 more providers

Provider	Input	Output	Context
Vertex`mistral-medium-3`	$0.40	$2.00	131K
AI/ML API`mistralai/mistral-medium-3`	$0.55	$2.75	131K

From models.dev and Hugging Face, checked daily. Resellers’ listings can lag behind their price pages, so confirm with the provider before you commit.

Face off

Current text models from other labs at a similar output price.

Mistral Medium 3

Mistral Medium 3

How good is it?

Leaderboards

Benchmarks Epoch AI runs

Where to run it

API providers

Face off

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