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mistral-small-2402 model retirement

Stopped workingSubscribe to MistralShare

Calls to the model mistral-small-2402 stopped working on June 16, 2025.


The error you get

What Mistral answers a call to mistral-small-2402 once the model is gone, as recorded from real responses:

HTTP 400
{"object":"error","message":"Invalid model: mistral-small-2402","type":"invalid_model","param":null,"code":"1500"}

What to use instead of mistral-small-2402

Switch to Mistral Small 4 as recommended by Mistral.


Facts

API
Mistral api.mistral.ai
Model
mistral-small-2402
Kind
Model retirement
Announced
November 30, 2024
Takes effect
June 16, 2025
Calls after that day
Fail
Source
Lifecycle page
Last updated
Verified
, against Mistral's own pages

Questions

When does mistral-small-2402 shut down?

Calls to the model mistral-small-2402 stopped working on June 16, 2025.

What happens to calls after June 16, 2025?

They have failed since June 16, 2025.

What error does mistral-small-2402 return once it is shut down?

Mistral answers HTTP 400: "Invalid model: mistral-small-2402". Send another model to fix it.

How do I find the calls this hits in my code?

Okapi reads your repository, finds the calls this change hits and opens a pull request with the fix. It never commits to your branches: every change comes as a pull request you review.


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You fixed this one by hand.

Okapi opens the pull request with the fix before the next breaking change reaches your code.

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