Synthetic-User Startup Simile Raises $200M Series B at $2B Valuation

skairam · x · 2026-07-31

Just five months after securing a $100M Series A, synthetic-user startup Simile has closed a $200M Series B at a $2B valuation.

The round was led by Greenoaks with participation from Index Ventures and Bain Capital Ventures. Founded by Stanford PhD Joon Sung Park (creator of the famous AI agent town "Smallville"), Simile provides simulated users for marketing and product research. The startup's ambitious mission is to accurately and honestly simulate all eight billion people on Earth.

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