No catch, just works. 30B works fine on an M1 Max with 64GB of RAM, had to go for the M1 Ultra at 128GB for 65B.
> Currently, only LLaMA-7B is supported since I haven't figured out how to merge the tensors of the bigger models.
I should also mention that 65B should be able to run on 64GB systems. Total system memory consumption on M1 Ultra is about 67GB when running nothing else.