Simile builds simulated populations for enterprise research. Its models, trained on interviews with real people and behavioural data, stand in for survey respondents and focus groups, answering questions about how customers might react to a product, campaign or policy. The company is based in Palo Alto and emerged from stealth in February 2026.
1StartupFox story
2025Founded
AI(Market Research)Sector
Jul 2026Latest coverage
Funding
Simile has raised $300M across 2 disclosed rounds.
$300MRaised
$200MLatest round
2Events
Chart appears once 1 more funding round is recorded — below that a chart shows less than the table does.
Jul 2026Round$200MGreenoaks, Index Ventures, Hanabi, Bain Capital Ventures, A*, Factory, Definition, CVS Health Ventures
Feb 2026Round$100MIndex Ventures, Bain Capital Ventures, Hanabi Capital, A*, Fei-Fei Li, Andrej Karpathy
Investor roster
Every disclosed backer and how often they've written a cheque — repeat names are the strongest conviction signal on the cap table.
New · Latest leadGreenoaks1 round · 2026
A*2 rounds · since 2026
Bain Capital Ventures2 rounds · since 2026
Index Ventures2 rounds · since 2026
Andrej Karpathy1 round · 2026
CVS Health Ventures1 round · 2026
Definition1 round · 2026
Factory1 round · 2026
Fei-Fei Li1 round · 2026
Hanabi1 round · 2026
Hanabi Capital1 round · 2026
Aggregated automatically from the disclosed rounds above.
Joon Sung Park and colleagues publish the generative agents research behind Smallville, placing 25 autonomous agents in a simulated town to study human-like behaviour. The paper becomes the technical basis for Simile. ↗
2025 · founded
Founded in Palo Alto by Joon Sung Park, Percy Liang, Michael Bernstein, Lainie Yallen.
Feb 2026 · funding
Round — $100M, led by Index Ventures.
Feb 2026 · milestone
Simile emerges from stealth with a $100 million Series A led by Index Ventures, after roughly seven months of development. ↗
Jul 2026 · funding
Round — $200M, led by Greenoaks.
Jul 2026 · milestone
Simile reports more than 50 employees, tens of millions of simulations run for Fortune 100 enterprises, and customers including CVS Health, Wealthfront, Deloitte and Gallup. ↗
The rest of Simile's profile is free
Every funding round with its source, verified financials, leadership and the full journey timeline — sign in once and it stays unlocked.
Simile builds simulated populations for enterprise research. Its models, trained on interviews with real people and behavioural data, stand in for survey respondents and focus groups, answering questions about how customers might react to a product, campaign or policy. The company is based in Palo Alto and emerged from stealth in February 2026.
Who founded Simile?
Simile is associated with Joon Sung Park, Percy Liang, Michael Bernstein, Lainie Yallen.
How much funding has Simile raised?
Simile has raised $300M across 2 disclosed rounds. The most recent was a $200M round in Jul 2026.
Who are Simile's investors?
Disclosed investors in Simile include Greenoaks, Index Ventures, Hanabi, Bain Capital Ventures, A*, Factory, Definition, CVS Health Ventures, Hanabi Capital, Fei-Fei Li, Andrej Karpathy.
What is the latest news on Simile?
The most recent StartupFox coverage is “Simile Raises $200 Million at $2 Billion Valuation Five Months After Its $100 Million Series A” (31 July 2026). All stories are listed on this page.
StartupFox
Sherlocks.aiAI / IT Operations / SRE
DeepSeekArtificial Intelligence
TrueFan AIArtificial Intelligence / Creator 
Aadyah AerospaceAerospace & Defence / Spacetec