AI Simulation Startup Simile AI Raises $200M Series B at $2B Valuation

AI startup Simile AI announced a $200 million Series B funding round, bringing its valuation to $2 billion. The round was led by Greenoaks, with participation from Index Ventures and Bain Capital Ventures. The company is dedicated to training foundation models for human behavior, with a core goal of accurately simulating the behaviors of the global 8 billion population, sparking widespread attention and discussion within the industry.

已确认

• 要点: Simile AI secured $200 million in its Series B round, achieving a valuation of $2 billion.
• 要点: This substantial funding comes just five months after the company closed its $100 million Series A round.
• 要点: The round was led by Greenoaks, with participation from multiple institutions including Index Ventures and Bain Capital Ventures.
• 要点: The company's core business involves building synthetic users, aiming to train a foundation model for human behavior to simulate the 8 billion people on Earth.

为什么重要

• 要点: Securing two major funding rounds within a few months highlights the capital market's extreme enthusiasm for the technological direction of "human behavior simulation and synthetic users."
• 要点: The company's grand vision has attracted top talent and academic attention. According to posts from @skairam and @RishiBommasani, former OpenAI member Sai Krishna has joined the company, and prominent Stanford AI scholar Percy Liang is also keeping a close eye on these developments.

2026-07-31 ~ 2026-07-31 · 8 related posts

• [source] Simile AI, Joined by Ex-OpenAI Staff, Raises $200M Series B — skairam · 2026-07-31
• Simile Raises $200M Series B at $2B Valuation to Simulate 8 Billion People — skairam · 2026-07-31
• [source] Synthetic-User Startup Simile Raises $200M Series B at $2B Valuation — skairam · 2026-07-31
• [source] Simile Closes Series B, Pioneering AI Agent-Based Simulations — joon_s_pk · 2026-07-31

4 near-duplicate retellings: skairam · RishiBommasani · joon_s_pk · joon_s_pk