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Simile

medium confidence · updated 2026-07-31

AI startup selling simulated users — synthetic respondents for market and product research — founded by Stanford PhD Joon Sung Park. Raised a $200 million Series B at a $2 billion valuation in July 2026, five months after a $100 million Series A.

Simile is a for-profit AI company that sells simulated users — synthetic respondents used in place of, or alongside, human participants in market and product research. It was founded by Joon Sung Park, who holds a PhD from Stanford University (Source: techcrunch.com).

Funding and valuation

DateRoundAmountValuationInvestors
2026-07-30Series B$200M$2BGreenoaks (lead); Index, Hanabi, Bain Capital Ventures, A*, Factory, Definition, CVS Health Ventures
2026-02 (approx.)Series A$100Mnot disclosednot disclosed

The Series B closed on July 30, 2026, roughly five months after a $100 million Series A. CVS, whose venture arm participated in the round, is also a customer (Source: techcrunch.com).

Product

The company sells simulated users for market and product research — model-generated respondents queried in place of, or alongside, recruited human panels (Source: techcrunch.com). How closely the simulated respondents reproduce the populations they stand in for, and how that is validated, is not addressed in the funding coverage.

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