I've been using it since nostr:nprofile1qy2hwumn8ghj7un9d3shjtnyv9kh2uewd9hj7qg5waehxw309aex2mrp09skymr99ehhyee0qyfhwumn8ghj7mmxve3ksctfdch8qatz9uqzp978pfzrv6n9xhq5tvenl9e74pklmskh4xw6vxxyp3j8qkke3cezklg6al applied his paid pyramid scheme multi-level marketing scheme promotion on me and it has been pretty good.

I don't know much about these AIs, but the GPT magic is not as powerful as some others I've seen, but for trivial stuff like ffmpeg command-line flags it is pretty good (and faster than anything else).