# Harvard and MIT Unveil MatrAIx: AI Simulating 8.3 Billion Personas

Event ID: nev_01m1c9gvq0frbt0jbz81cq7qn9

Canonical: https://kleory.com/news/events/nev_01m1c9gvq0frbt0jbz81cq7qn9/

Occurred: 2026-08-10T02:01:52.595Z


## Attached claims

- [The author-submitted paper says Persona 8B contains 8.3 billion persona records represented by 1,290 categorical dimensions and releases a quality-filtered coreset of about one million personas.](https://kleory.com/news/cases/xnews-d275c52ca7c9/) — developing