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OpenAI gpt-3.5-turbo-1106 model retirement

Stopped workingSubscribe to OpenAIShare

On September 28, 2026, the model gpt-3.5-turbo-1106 reached its shutdown date and stopped working. Requests that target model gpt-3.5-turbo-1106 fail since that day.


The error you get

What OpenAI answers a call to gpt-3.5-turbo-1106 once the model is gone, as recorded from real responses:

HTTP 404
{"error":{"message":"The model `gpt-3.5-turbo-1106` 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 gpt-3.5-turbo-1106

Move to gpt-5.6-terra, which is recommended by OpenAI.

In OpenAI's words

Shutdown date: 2026-09-28; Model / system: gpt-3.5-turbo-1106; Recommended replacement: gpt-5.6-terra

OpenAI, Deprecations page

Facts

API
OpenAI api.openai.com
Model
gpt-3.5-turbo-1106
Released
November 6, 2023 (models.dev)
Kind
Model retirement
Takes effect
September 28, 2026
Calls after that day
Fail
Source
Deprecations page
Last updated
Verified
, against OpenAI's own pages

Questions

When does gpt-3.5-turbo-1106 shut down?

Calls to the model gpt-3.5-turbo-1106 on OpenAI stopped working on September 28, 2026.

What happens to calls after September 28, 2026?

They have failed since September 28, 2026.

What error does gpt-3.5-turbo-1106 return once it is shut down?

OpenAI answers HTTP 404: "The model `gpt-3.5-turbo-1106` has been deprecated, learn more here: https://platform.openai.com/docs/deprecations". Send another model to fix it.

When was gpt-3.5-turbo-1106 released?

gpt-3.5-turbo-1106 was released on November 6, 2023, 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-1106 on other APIs 2

  1. No date Azure AI Foundry gpt-3.5-turbo-1106Model retirement Deprecated, no date
  2. No date Azure OpenAI gpt-3.5-turbo-1106Model 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.

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