Replacing my best friends with an LLM trained on 500,000 group chat messages

This is a wild AI project using a 6 person group chat with over 500,000 messages.

This has genuinely provided more hours of deep enjoyment for me and my friends than I could have imagined. Something about the training process optimized for outrageous behavior, and seeing your conversations from a third-person perspective casts into stark relief how ridiculous and hilarious they can be.

It really, really nailed the voice and perspectives of my friends, and actually retains a ton of information on their preferences, lives, etc. I had considered attaching an embedding database to actually give the boys a knowledge store, but found this to be unnecessary.

There have been many examples shared of people doing something like this with a single person (sometimes deceased!), but I haven't seen a group version before. It is interesting that it works so well even though all five of the people are trained in a single model. Perhaps that makes it better than if they were separate? Would be interesting to see the comparison.