# gpt-3.5-turbo-0613

Calls to the model gpt-3.5-turbo-0613 on OpenAI stopped working on September 13, 2024.

## The error OpenAI returns once gpt-3.5-turbo-0613 is gone

HTTP 404

```json
{"error":{"message":"The model `gpt-3.5-turbo-0613` 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

Move to gpt-5.6-terra. gpt-3.5-turbo, named first, stopped working on 2026-10-23.

- API: OpenAI (api.openai.com)
- Model: gpt-3.5-turbo-0613
- Released: January 25, 2024 (models.dev)
- Kind: Model retirement
- Takes effect: September 13, 2024
- Calls after that day: fail
- Calls it hits: `model gpt-3.5-turbo-0613`
- Source: [Deprecations page](https://developers.openai.com/api/docs/deprecations)
- Verified: November 6, 2026, against OpenAI's own pages
- Page: https://www.okapi.bot/models/openai/gpt-3.5-turbo-0613/

## OpenAI's words

> Shutdown date: 2024-09-13; Deprecated model: gpt-3.5-turbo-0613; Deprecated model price: $1.50 / 1M input tokens + $2.00 / 1M output tokens; Recommended replacement: gpt-3.5-turbo

Okapi finds the calls this change hits in your repo and opens the pull request with the fix: https://github.com/apps/okapi-agent