Codestral 25.08
Summary
Codestral 25.08 is a proprietary language model from Mistral AI, released on 30 Jul 2025. It accepts text and generates text, with a 256K-token context window and up to 8K output tokens per response. As of 17 Oct 2026, the lowest listed API price is $0.30 per million input tokens and $0.90 per million output tokens (Mistral API), across 3 providers we track.
Mistral code model for low-latency completion, fill-in-the-middle, and code generation
Last verified 17 Oct 2026. Every figure on this page links to its source.
Specifications
| Developer | Mistral AI |
|---|---|
| Release date | 30 Jul 2025 [models.dev] |
| Status | Generally available [models.dev] |
| Weights | Proprietary (API only) [models.dev] |
| Context window | 256K (256,000 tokens) [models.dev] |
| Max output | 8K tokens [models.dev] |
| Knowledge cutoff | 31 Mar 2025 [OpenRouter] |
| Input | Text [models.dev] |
| Output | Text [models.dev] |
| Reasoning mode | No [models.dev] |
| Tool calling | Yes [models.dev] |
| Structured output | Yes [models.dev] |
Codestral 25.08 API pricing by provider
USD per million tokens. Sorted by input price.
| Provider | Input | Output | Cached input | Context | Source |
|---|---|---|---|---|---|
| Mistral API codestral-2508 | $0.30 | $0.90 | $0.03 | 256K | models.dev, 17 Oct 2026 |
| Google Vertex AI codestral-2 | $0.30 | $0.90 | – | 128K | models.dev, 17 Oct 2026 |
| OpenRouter mistralai/codestral-2508 | $0.30 | $0.90 | $0.03 | 256K | OpenRouter, 17 Oct 2026 |
Frequently asked questions
What is the context window of Codestral 25.08?
Codestral 25.08 has a context window of 256,000 tokens (256K) and can generate up to 8,192 tokens in a single response, according to models.dev.
How much does the Codestral 25.08 API cost?
Through Mistral API, Codestral 25.08 costs $0.30 per million input tokens and $0.90 per million output tokens. Prices last verified 17 Oct 2026.
Is Codestral 25.08 open source?
No. Codestral 25.08 is a proprietary model; Mistral AI has not released its weights. It is available through APIs including Mistral API, Google Vertex AI, OpenRouter.
When was Codestral 25.08 released?
Mistral AI released Codestral 25.08 on 30 Jul 2025, according to models.dev.
Which providers offer Codestral 25.08?
We track Codestral 25.08 on 3 providers: Mistral API, Google Vertex AI, OpenRouter.
Change history
- Now listed on Google Vertex AI
- Name changed from Codestral 2508 to Codestral 25.08
- Max output changed from 205K to 8K
- Now listed on Mistral API
- Open weights changed from none to no
- Input modalities changed from text, file to text
- Release date changed from 1 Aug 2025 to 30 Jul 2025