OpenAI
babbage model retirement
Stopped workingSubscribe to OpenAIShare
Calls to the model babbage on OpenAI stopped working on January 4, 2024.
The error you get
What OpenAI answers a call to babbage once the model is gone, as recorded from real responses:
{"error":{"message":"The model `babbage` has been deprecated, learn more here: https://platform.openai.com/docs/deprecations","type":"invalid_request_error","param":null,"code":"model_not_found"}}What to use instead of babbage
Move to gpt-5.6-terra. babbage-002, named first, stopped working on 2026-09-28. babbage-002 was the direct replacement and is deprecated in turn, shutting down September 2026.
Facts
- API
- OpenAI
api.openai.com - Model
babbage- Kind
- Model retirement
- Announced
- July 6, 2023
- Takes effect
- January 4, 2024
- Calls after that day
- Fail
- Source
- models.dev
- Last updated
- Verified
- , against OpenAI's own pages
Questions
When does babbage shut down?
Calls to the model babbage on OpenAI stopped working on January 4, 2024.
What happens to calls after January 4, 2024?
They have failed since January 4, 2024.
What error does babbage return once it is shut down?
OpenAI answers HTTP 404: "The model `babbage` has been deprecated, learn more here: https://platform.openai.com/docs/deprecations". 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.