Mistral
pixtral-12b-2409 model retirement
Stopped workingSubscribe to MistralShare
Calls to the model pixtral-12b-2409 on Mistral stopped working on December 31, 2025.
The error you get
What Mistral answers a call to pixtral-12b-2409 once the model is gone, as recorded from real responses:
{"object":"error","message":"Invalid model: pixtral-12b-2409","type":"invalid_model","param":null,"code":"1500"}What to use instead of pixtral-12b-2409
Mistral recommends migrating to Ministral 3 14B as the replacement.
Facts
- API
- Mistral
api.mistral.ai - Model
pixtral-12b-2409- Released
- September 11, 2024 (models.dev)
- 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 pixtral-12b-2409 shut down?
Calls to the model pixtral-12b-2409 on Mistral stopped working on December 31, 2025.
What happens to calls after December 31, 2025?
They have failed since December 31, 2025.
What error does pixtral-12b-2409 return once it is shut down?
Mistral answers HTTP 400: "Invalid model: pixtral-12b-2409". Send another model to fix it.
When was pixtral-12b-2409 released?
pixtral-12b-2409 was released on September 11, 2024, according to models.dev.
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.
pixtral-12b-2409 on other APIs 1
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Scaleway Generative APIs
pixtral-12b-2409Model retirement Stopped working
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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.