Simile, the AI human-simulation startup, raises $300M+ at $2B valuation with 85%+ behavior prediction
joon_s_pk · x · 2026-10-27
Simile, founded by Stanford PhD Joon Sung Park, has raised over $300M at a $2B valuation, backed by Fei-Fei Li, Andrej Karpathy, Greenoaks and Index Ventures. His Stanford research predicted human behavior with 85%+ accuracy.
The company taps 40M+ real people via global panel partnerships, letting clients like Deloitte, Wealthfront and CVS simulate real populations to stress-test major decisions. Park discussed the build and roadmap on the Sourcery podcast.
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