Humansand launches Persimmon, a model to realistically simulate human interaction

xiaosun86 · x · 2026-09-11

Startup Humansand introduced Persimmon, billed as the first large-scale model designed to realistically simulate how people talk and interact—on the thesis that AI must understand humans to work with them. Several prominent researchers, including Eric Zelikman, congratulated the launch; technical details remain thin.

Related event: Humans& Releases Persimmon, First Large-Scale User Model Simulating Human Conversation(14 posts)→

Original post →

More from Models

Models channel →