# gpt-5.1-2025-11-13

Calls to the model gpt-5.1-2025-11-13 on OpenAI stop working on April 1, 2027.

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.

- 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
- Calls it hits: `model gpt-5.1-2025-11-13`
- Source: [Deprecations page](https://developers.openai.com/api/docs/deprecations)
- Page: https://www.okapi.bot/models/openai/gpt-5.1-2025-11-13/

## What to use instead

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