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OpenAI o3-pro-2025-06-10 model retirement

Stops workingin 35 daysSubscribe to OpenAIShare

On December 11, 2026, the model o3-pro-2025-06-10 will shut down and calls to it will fail. Requests specifying model o3-pro-2025-06-10 will no longer be served after this date.


The error you get from December 11, 2026

What OpenAI answers a call to o3-pro-2025-06-10 once the model is gone, as recorded from real responses:

HTTP 404
{"error":{"message":"The model `o3-pro-2025-06-10` 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 o3-pro-2025-06-10

Switch to gpt-5.6-sol (reasoning.mode: pro) as recommended by OpenAI.

In OpenAI's words

Shutdown date: Dec 11, 2026; Model / system: o3-pro | o3-pro-2025-06-10; Recommended replacement: gpt-5.6-sol ( reasoning.mode: pro )

OpenAI, Deprecations page

Facts

API
OpenAI api.openai.com
Model
o3-pro-2025-06-10
Released
June 10, 2025 (models.dev)
Kind
Model retirement
Takes effect
December 11, 2026
Calls after that day
Fail
Source
Deprecations page
Last updated
Verified
, against OpenAI's own pages

Questions

When does o3-pro-2025-06-10 shut down?

Calls to the model o3-pro-2025-06-10 on OpenAI stop working on December 11, 2026.

What happens to calls after December 11, 2026?

They fail from that day.

What error does o3-pro-2025-06-10 return once it is shut down?

OpenAI answers HTTP 404: "The model `o3-pro-2025-06-10` has been deprecated, learn more here: https://platform.openai.com/docs/deprecations". Send another model to fix it.

When was o3-pro-2025-06-10 released?

o3-pro-2025-06-10 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.


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Is your code calling this?

Okapi finds the calls this change hits in your repo and opens the pull request with the fix before December 11, 2026.

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