Mistral Medium 3.5 is a dense 128B instruction-following model from Mistral AI. It supports text and image inputs with text output, and is designed for agentic workflows, coding, and complex...
Specs
mistralai/codestral-2508About Codestral 2508
Mistral's cutting-edge language model for coding released end of July 2025. Codestral specializes in low-latency, high-frequency tasks such as fill-in-the-middle (FIM), code correction and test generation.
[Blog Post](https://mistral.ai/news/codestral-25-08)
How to use Codestral 2508 in your app
The quickest way is through an API gateway such as OpenRouter, which uses the same format as the OpenAI API. Create a key, then send a request with the model ID mistralai/codestral-2508:
Prefer no code? Many tools in our AI tools directory run on models like this one.
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Questions about Codestral 2508
What is Codestral 2508?
Mistral's cutting-edge language model for coding released end of July 2025. Codestral specializes in low-latency, high-frequency tasks such as fill-in-the-middle (FIM), code correction and test generation. [Blog Post](https://mistral.ai/news/codestral-25-08)
How big is the context window of Codestral 2508?
Codestral 2508 can read up to 256,000 tokens in one request, roughly 192,000 words.
How much does Codestral 2508 cost?
Through OpenRouter, Codestral 2508 costs about $0.30 / 1M tokens for input and $0.90 / 1M tokens for output. Prices change, so check before large jobs.
Is Codestral 2508 open source?
Codestral 2508 does not have downloadable weights. You use it through Mistral or an API provider.
What can Codestral 2508 take as input?
Codestral 2508 accepts text, file and produces text.
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Specs and prices come from OpenRouter and the provider, and are refreshed daily. Last checked 1 Aug 2025.