Mistral Medium 3
Summary
Mistral Medium 3 is a proprietary language model from Mistral AI, released on 7 May 2025. It accepts text and images and generates text, with a 131K-token context window and up to 131K output tokens per response. As of 4 Oct 2026, the lowest listed API price is $0.40 per million input tokens and $2 per million output tokens (Mistral API), across 3 providers we track.
Mistral model for multilingual chat, reasoning, and tool-assisted workflows
Last verified 4 Oct 2026. Every figure on this page links to its source.
Specifications
| Developer | Mistral AI |
|---|---|
| Release date | 7 May 2025 [models.dev] |
| Status | Generally available [models.dev] |
| Weights | Proprietary (API only) [models.dev] |
| Context window | 131K (131,072 tokens) [models.dev] |
| Max output | 131K tokens [models.dev] |
| Knowledge cutoff | May 2025 [models.dev] |
| Input | Text and images [models.dev] |
| Output | Text [models.dev] |
| Reasoning mode | No [models.dev] |
| Tool calling | Yes [models.dev] |
Mistral Medium 3 API pricing by provider
USD per million tokens. Sorted by input price.
| Provider | Input | Output | Cached input | Context | Source |
|---|---|---|---|---|---|
| Mistral API mistral-medium-2505 | $0.40 | $2 | – | 131K | models.dev, 4 Oct 2026 |
| Azure AI Foundry mistral-medium-2505 | $0.40 | $2 | – | 128K | models.dev, 4 Oct 2026 |
| OpenRouter mistralai/mistral-medium-3 | $0.40 | $2 | $0.04 | 131K | OpenRouter, 4 Oct 2026 |
Frequently asked questions
What is the context window of Mistral Medium 3?
Mistral Medium 3 has a context window of 131,072 tokens (131K) and can generate up to 131,072 tokens in a single response, according to models.dev.
How much does the Mistral Medium 3 API cost?
Through Mistral API, Mistral Medium 3 costs $0.40 per million input tokens and $2 per million output tokens. Prices last verified 4 Oct 2026.
Is Mistral Medium 3 open source?
No. Mistral Medium 3 is a proprietary model; Mistral AI has not released its weights. It is available through APIs including Mistral API, Azure AI Foundry, OpenRouter.
When was Mistral Medium 3 released?
Mistral AI released Mistral Medium 3 on 7 May 2025, according to models.dev.
Which providers offer Mistral Medium 3?
We track Mistral Medium 3 on 3 providers: Mistral API, Azure AI Foundry, OpenRouter.
Change history
No changes detected since we started tracking this model. We re-check every source daily.