[1]: https://ecoagi.ai/articles/chatgpt-parameters
Edit: and this one says 1.7, idk https://levelup.gitconnected.com/gpt-4-parameters-explained-...
Haven't used chatgpt in a bit, but looks like the free tier is GPT3 still, so 175b may be correct if OP isn't a subscriber
A 180b Falcon model very recently came out https://huggingface.co/tiiuae/falcon-180B A finetune of this might be competitive, but I haven't tried it.
Edit: and this one says 1.7, idk https://levelup.gitconnected.com/gpt-4-parameters-explained-...
Haven't used chatgpt in a bit, but looks like the free tier is GPT3 still, so 175b may be correct if OP isn't a subscriber