GTP-4.5 has been deleted from the `ChatModel`

[przemoch-dev]

Confirm this is an issue with the Python library and not an underlying OpenAI API

• [x] This is an issue with the Python library

Describe the bug

gpt-4.5-preview and gpt-4.5-preview-2025-02-27 have been deleted in https://github.com/openai/openai-python/pull/2228

I can't see any comment that explains this. Moreover, 4.5 models are still available through the API and OpenAI playground.

To Reproduce

1. Check the ChatModel type list

Code snippets

OS

doesn't matter

Python version

doesn't matter

Library version

v1.67.0 +