Biology & drug discovery · San Francisco, US · founded 2024
Chai Discovery: who founded it, who funds it
Chai Discovery is a San Francisco AI drug discovery lab founded in 2024 by Joshua Meier, Jack Dent, Jacques Boitreaud and Matthew McPartlon, who came from OpenAI, Stripe, Aqemia and UChicago. What it is building: molecular structure prediction and antibody design (Chai-1, Chai-2), used by Pfizer, Lilly and Novartis. No funding round has been disclosed. It sells access through an API.
- Founders
- Joshua Meier (ex-OpenAI), Jack Dent (ex-Stripe), Jacques Boitreaud (ex-Aqemia), Matthew McPartlon (ex-UChicago)
- Founders from
- ex-OpenAI, ex-Stripe, ex-Aqemia, ex-UChicago
- Location
- San Francisco, US (North America)
- Valuation
- $3.8B estimate, per source
- Raised
- · disclosed
- Investors
- OpenAI, Thrive Capital
- What ships
- API
- Notes
- GSK collaboration announced 9 Oct 2026 after a wet-lab evaluation; Endpoints counts it as Chai's sixth pharma partner in nine months.
Sources
- neolabs.fyi neolabs.fyi
- Chai Discovery and GSK collaboration (Business Wire) businesswire.com
News
-
Oct 9, 2026
+5 more coverage
- Fierce Biotech GSK drinks in Chai Discovery’s AI models after wet-lab validation
- Contract Pharma Chai Discovery, GSK Announce Collaboration Following Wet-Lab Evaluation
- RTTNews Chai Discovery Collaborates With GSK For AI Integration
- Endpoints News Exclusive: AI startup Chai lands GSK deal, its sixth pharma partner in nine months
- FirstWord PHARMA Chai adds GSK to its roster of pharma deals after positive lab tests
-
Jul 14, 2026
+1 more coverage
- Business Wire Chai Discovery Announces $400M Series C to Advance AI-Driven Molecular Design
Investors who back other labs here
- Thrive Capital also: Physical Intelligence, Essential AI, Isomorphic Labs
- OpenAI also: Physical Intelligence, Isara, Merge Labs
Same research area
- Merge Labs $850M · San Francisco, US
- EvolutionaryScale · · New York, US
- Isomorphic Labs · · London, UK
- Latent Labs · · London, UK
- Xaira Therapeutics · · South San Francisco, US