gpt-3.5-turbo-0125 shut down Oct 23, 2026 (OpenAI)

The error you get

What OpenAI answers a call to gpt-3.5-turbo-0125 once the model is gone, as recorded from real responses:

HTTP 404

{"error":{"message":"The model `gpt-3.5-turbo-0125` has been deprecated, learn more here: https://platform.openai.com/docs/deprecations","type":"invalid_request_error","param":null,"code":"model_not_found"}}

Facts

API: OpenAI api.openai.com
Model: gpt-3.5-turbo-0125
Released: January 25, 2024 (models.dev)
Kind: Model retirement
Takes effect: October 23, 2026
Calls after that day: Fail
Source: Deprecations page
Last updated: November 4, 2026
Verified: November 6, 2026, against OpenAI's own pages

Questions

When does gpt-3.5-turbo-0125 shut down?

Calls to the model gpt-3.5-turbo-0125 on OpenAI stopped working on October 23, 2026.

What happens to calls after October 23, 2026?

They have failed since October 23, 2026.

What error does gpt-3.5-turbo-0125 return once it is shut down?

OpenAI answers HTTP 404: "The model `gpt-3.5-turbo-0125` has been deprecated, learn more here: https://platform.openai.com/docs/deprecations". Send another model to fix it.

When was gpt-3.5-turbo-0125 released?

gpt-3.5-turbo-0125 was released on January 25, 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.

gpt-3.5-turbo-0125 on other APIs 2

No date Azure AI Foundry gpt-3.5-turbo-0125Model retirement Deprecated, no date
No date Azure OpenAI gpt-3.5-turbo-0125Model retirement Deprecated, no date

More from OpenAI 10

Oct 23, 2026 ft-babbage-002Model retirement Stopped working
Oct 23, 2026 ft-davinci-002Model retirement Stopped working
Oct 23, 2026 ft-gpt-3.5-turboModel retirement Stopped working
Oct 23, 2026 ft-gpt-4Model retirement Stopped working
Oct 23, 2026 ft-gpt-4.1-nanoModel retirement Stopped working
Oct 23, 2026 ft-gpt-4.1-nano-2025-04-14Model retirement Stopped working
Oct 23, 2026 ft-o4-miniModel retirement Stopped working
Oct 23, 2026 ft-o4-mini-2025-04-16Model retirement Stopped working
Oct 23, 2026 gpt-3.5-turboModel retirement Stopped working
Oct 23, 2026 gpt-3.5-turbo-completionsModel retirement Stopped working

You fixed this one by hand.

Okapi opens the pull request with the fix before the next breaking change reaches your code.

Add to GitHub

OpenAI gpt-3.5-turbo-0125 model retirement

The error you get

What to use instead of gpt-3.5-turbo-0125

In OpenAI's words