Add GPT-4o as possible model (#11764)

Resolves: #11766

Release Notes:

- Add GPT-4o support (see: https://openai.com/index/hello-gpt-4o/).
GPT-4o is better and faster than 4-turbo, at half the price.
9b74acc4f5Toon Willems committed on 5/14/2024, 8:43:24 AM· committed by GitHubparent43da37b
4 files changedLine totals unavailable