Flourish
About Flourish
Flourish is a AI Model Development startup based in New York, United States that has raised $500M in venture capital across 1 funding round since 2024. The company reached Series D stage in June 2026 with a $500M round led by Lux Capital at a $2.5B valuation. Flourish's investor base includes 4 institutional funds, with Lux Capital leading the most recent equity round.
Flourish is a New York-based AI startup building human-level artificial intelligence with human-level efficiency. Founded in 2024 by Thomas Reardon — who previously co-founded CTRL-Labs (acquired by Meta in 2019) and built Internet Explorer at Microsoft — and Rob Williams, a former Amazon S-team executive, the company takes a neuroscience-first approach to AI. By mapping the architecture of biological neural networks to discover the brain's underlying computational principles, Flourish aims to develop AI systems that match the cognitive capacity of the human brain while dramatically improving the energy efficiency that limits today's large language models. In June 2026, Flourish raised a $500 million Series D at a $2.5 billion valuation, backed by Jeff Bezos, GV (Google Ventures), Lux Capital, and Catalio Capital.
Flourish Funding Rounds Timeline
1 rounds · $500M raised · since 2024
| Round | Date | Amount | Valuation | Lead investor | Co-investors |
|---|---|---|---|---|---|
| Series D | June 2026 | $500M | $2.5B | Lux Capital | GV, Bezos Expeditions, Catalio Capital |
Investors in Flourish
4 institutional investors across 1 rounds
Lead investors
Co-investors
Recent news about Flourish
Questions about Flourish
How much has Flourish raised?
Flourish has raised $500M across 1 funding round since 2024.
Who are the investors of Flourish?
Flourish's investors include Lux Capital, GV, Bezos Expeditions, Catalio Capital.
When was Flourish's last funding round?
Flourish's most recent round was a $500M Series D in June 2026, led by Lux Capital.
What is Flourish's valuation?
Flourish reached a $2.5B valuation (unicorn status) with its Series D round in June 2026.
Where is Flourish headquartered?
Flourish is headquartered in New York, United States, and was founded in 2024 by Thomas Reardon, Rob Williams.