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OpenAI · Model retirement

gpt-5.1-2025-11-13

Stops working (in 159 days)

On April 1, 2027, model gpt-5.1-2025-11-13 will be retired. Calls sent to this model will fail after that date. Anyone targeting this specific snapshot will need to update their configuration to avoid disruptions.

What to use instead of gpt-5.1-2025-11-13

Move to gpt-6-sol, recommended by OpenAI.

Facts

API
OpenAI api.openai.com
Model
gpt-5.1-2025-11-13
Kind
Model retirement
Takes effect
April 1, 2027
Calls after that day
Fail
Source
Deprecations page
Last updated

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