Humansand launches Persimmon, a model simulating how people interact

gharik · x · 2026-09-11

AI startup Humansand (@humansand) introduced Persimmon, billed as the first large-scale model designed to realistically simulate how people talk and interact. The premise: for AI to work with us, it needs to understand us.

Details on capabilities, benchmarks and availability weren't expanded in the announcement. Guodzh (Guodong Zhao) congratulated the team on the launch.

Related event: Humans& Launches Persimmon, First Large-Scale User Model for Simulating Human Interaction(27 posts)→

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