Mistral
magistral-small-2506 model retirement
Stopped workingSubscribe to MistralShare
Calls to the model magistral-small-2506 on Mistral stopped working on November 30, 2025.
The error you get
What Mistral answers a call to magistral-small-2506 once the model is gone, as recorded from real responses:
{"object":"error","message":"Invalid model: magistral-small-2506","type":"invalid_model","param":null,"code":"1500"}What to use instead of magistral-small-2506
Mistral recommends migrating to Mistral Small 4.
Facts
- API
- Mistral
api.mistral.ai - Model
magistral-small-2506- Released
- June 10, 2025 (models.dev)
- Kind
- Model retirement
- Announced
- October 31, 2025
- Takes effect
- November 30, 2025
- Calls after that day
- Fail
- Source
- Lifecycle page
- Last updated
- Verified
- , against Mistral's own pages
Questions
When does magistral-small-2506 shut down?
Calls to the model magistral-small-2506 on Mistral stopped working on November 30, 2025.
What happens to calls after November 30, 2025?
They have failed since November 30, 2025.
What error does magistral-small-2506 return once it is shut down?
Mistral answers HTTP 400: "Invalid model: magistral-small-2506". Send another model to fix it.
When was magistral-small-2506 released?
magistral-small-2506 was released on June 10, 2025, 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.
magistral-small-2506 on other APIs 1
-
No date
NVIDIA
mistralai/magistral-small-2506Model retirement Deprecated, no date
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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.