# chatgpt-4o-latest

Calls to the model chatgpt-4o-latest on OpenAI stopped working on February 17, 2026.

- API: OpenAI (api.openai.com)
- Model: chatgpt-4o-latest
- Kind: Model retirement
- Takes effect: February 17, 2026
- Calls after that day: fail
- Calls it hits: `model chatgpt-4o-latest`
- Source: [Deprecations page](https://developers.openai.com/api/docs/deprecations)
- Page: https://www.okapi.bot/models/openai/chatgpt-4o-latest/

## What to use instead

Move to gpt-5.6-sol. gpt-5.1-chat-latest, named first, stopped working on 2026-07-23.