I've tried it, I remember it being more akin to cleverbot than GPT. One thing I love about GPT - context recognition - seems somewhat broken, having model reply with random nonsense unrelated to my prompt each time.

I really hope it manages to catch up eventually. In terms of privacy, a local LLM is lightyears ahead of a SaaSS LLM controlled by Microsoft.

It's fine tuned on ChatGPT answers, but the actual underlying model is GPT-J, a 6 billion parameter model. Roughly one twentieth the size of GPT-3, and it's capabilities are about what you'd expect from that number. I installed it, asked a few dozen questions, then uninstalled when I got garbled nonsense in response. (Not just wrong answers, but incoherent noise, repeating chunks of training prompts back to me unrelated to the question, random python code, etc)