mistral-medium-2312 model retirement
Stopped workingSubscribe to MistralShare
Calls to the model mistral-medium-2312 stopped working on June 16, 2025.
The error you get
What Mistral answers a call to mistral-medium-2312 once the model is gone, as recorded from real responses:
{"object":"error","message":"Invalid model: mistral-medium-2312","type":"invalid_model","param":null,"code":"1500"}What to use instead of mistral-medium-2312
Mistral recommends migrating to Mistral Medium 3.5.
Facts
- API
- Mistral
api.mistral.ai - Model
mistral-medium-2312- 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-medium-2312 shut down?
Calls to the model mistral-medium-2312 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-medium-2312 return once it is shut down?
Mistral answers HTTP 400: "Invalid model: mistral-medium-2312". 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.