Add support for gpt-4o-mini

[PierreGode]

GPT-4o mini
affordable and intelligent small model
128k context length
Input: $0.15 | Output: $0.60 per 1M tokens

[PierreGode]

@villesau @lfsevergnini @felixAnhalt @mohd-e-mustafa any update on this?

[lfsevergnini]

@villesau @lfsevergnini @felixAnhalt @mohd-e-mustafa any update on this?

@PierreGode I'm sorry, but I gave up trying to contribute to this repo since the PRs don't get merged anyway.

You can use my fork if you want, there is support for the model parameter there.

[PierreGode]

@lfsevergnini running on gpt-4o-mini from your branch. works like a charm. thank you