Mistral Medium 3
Mistral Medium 3 is a language model from Mistral released on May 7, 2025. It reads text and images and writes text, with a 131K token context window and up to 33K tokens per reply.
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It costs $0.40 per million input tokens and $2 per million output tokens. Cached input bills at $0.20, 50% less than fresh input.
It supports tool calling, structured JSON output and prompt caching.
10 providers serve it, including Azure, Vertex and SAP AI Core. The lowest input price is $0.36 per million tokens at SAP AI Core.
- Modalities
- In / out price
- $0.40 / $2 per 1M
- Context
- 131K
- Max output
- 33K
- Released
- May 7, 2025
- Knowledge cutoff
- Mar 2025
- Tool calling
- Structured output
- Reasoning
- Prompt caching
- Open weights
- Free to use
Mistral Medium 3 pricing
USD, as listed on Oct 15, 2026. Most bills are input heavy, so the cached input rate matters as much as the headline price.
| Input | $0.40 / 1M tokens | |
|---|---|---|
| Output | $2 / 1M tokens | |
| Cached input (read) | $0.20 / 1M tokens | 50% off input |
Mistral Medium 3 providers
10 providers serve it, including Azure, Vertex and SAP AI Core. The lowest input price is $0.36 per million tokens at SAP AI Core. Each host sets its own price and limits, so the cheapest one is not always the one with the longest context.
| Provider | Input /M | Output /M | Cache read /M | Context | Max output |
|---|---|---|---|---|---|
| Azure | $0.40 | $2 | – | 128K | 128K |
| Vertex | $0.40 | $2 | – | 131K | 131K |
| SAP AI Core | $0.36 | $1.22 | – | 128K | 128K |
| Azure Cognitive Services | $0.40 | $2 | – | 128K | 128K |
| Eden AI | $0.40 | $2 | $0.04 | 262K | 105K |
| Kilo Gateway | $0.40 | $2 | $0.04 | 131K | 105K |
| Merge Gateway | $0.40 | $2 | $0.04 | 128K | 128K |
| NanoGPT | $0.40 | $2 | $0.20 | 131K | 33K |
| Pioneer | $0.40 | $2 | $0.40 | 128K | 64K |
| AI/ML API | $0.5502 | $2.75 | $0.055 | 131K | 105K |
What Mistral Medium 3 costs per month
Pick a workload close to yours or type your own volumes.
Supported request parameters
What you can set when you call Mistral Medium 3 through an OpenAI compatible API.
- Tools
tools - Structured outputs
structured_outputs - Temperature
temperature
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Mistral Medium 3 questions
How much does the Mistral Medium 3 API cost?
$0.40 per million input tokens and $2 per million output tokens, with cached input at $0.20. The estimator on this page turns that into a monthly bill for your own workload.
What is the context window of Mistral Medium 3?
131,072 tokens of input, and it can write up to 32,768 tokens in one reply. As a rough guide, a million tokens is around 750,000 English words.
Which providers serve Mistral Medium 3?
10 providers serve it, including Azure, Vertex and SAP AI Core. The lowest input price is $0.36 per million tokens at SAP AI Core. Prices differ by host, so the Providers table on this page lists each one with its input and output price.
Does Mistral Medium 3 support tool calling?
Yes. It accepts tool definitions and can return JSON that matches a schema, which is what an agent needs to call your APIs.
Is Mistral Medium 3 open source?
No. Mistral serves it through an API only, so you cannot download the weights or host it yourself.
When was Mistral Medium 3 released?
May 7, 2025, with training data up to Mar 2025.
Catalog data from models.dev (MIT licensed), refreshed daily, last on Oct 15, 2026. The summary is written from these facts.
Building on Mistral Medium 3?
I test your real tasks on it and the two closest alternatives, then ship the agent on whichever wins on cost and accuracy.
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