mistral-ocr-2503 model retirement
Stopped workingSubscribe to MistralShare
Calls to the model mistral-ocr-2503 stopped working on December 31, 2025.
The error you get
What Mistral answers a call to mistral-ocr-2503 once the model is gone, as recorded from real responses:
{"object":"error","message":"Invalid model: mistral-ocr-2503","type":"invalid_model","param":null,"code":"1500"}What to use instead of mistral-ocr-2503
Mistral recommends migrating to OCR 4.1.
Facts
- API
- Mistral
api.mistral.ai - Model
mistral-ocr-2503- Kind
- Model retirement
- Announced
- December 2, 2025
- Takes effect
- December 31, 2025
- Calls after that day
- Fail
- Source
- Lifecycle page
- Last updated
- Verified
- , against Mistral's own pages
Questions
When does mistral-ocr-2503 shut down?
Calls to the model mistral-ocr-2503 stopped working on December 31, 2025.
What happens to calls after December 31, 2025?
They have failed since December 31, 2025.
What error does mistral-ocr-2503 return once it is shut down?
Mistral answers HTTP 400: "Invalid model: mistral-ocr-2503". 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.