# gpt-4-0613

Calls to the model gpt-4-0613 on OpenAI stop working on October 23, 2026.

- API: OpenAI (api.openai.com)
- Model: gpt-4-0613
- Kind: Model retirement
- Takes effect: October 23, 2026
- Calls after that day: fail
- Calls it hits: `model gpt-4-0613`
- Source: [Deprecations page](https://developers.openai.com/api/docs/deprecations)
- Page: https://www.okapi.bot/models/openai/gpt-4-0613/

## What to use instead

Move to gpt-5.6-sol, recommended by OpenAI.