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World models & simulation · Palo Alto, US · founded 2025

Simile: who founded it, who funds it

Simile is a Palo Alto world model lab founded in 2025 by Joon Sung Park, Michael Bernstein and Percy Liang, who came from Stanford. What it is building: generative agents trained on real human interviews, sold as a replacement for focus groups. It has raised $100M in disclosed rounds, most recently a Series A of $100M at a $2B valuation in March 2026. It sells access through an API.

Founders
Joon Sung Park (ex-Stanford), Michael Bernstein (ex-Stanford), Percy Liang (ex-Stanford)
Founders from
ex-Stanford
Location
Palo Alto, US (North America)
Valuation
$2B set by the last priced round
Raised
$100M disclosed
Investors
·
What ships
API

Rounds

DateRoundAmountValuationLeadSource
Mar 1, 2026Series A$100M$2B·neolabs.fyi

Sources

News

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