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Chai Discovery

Series C

Frontier generative AI foundation models for programmable molecular and antibody drug design

Biotech AITotal Raised: $485M👥 51-200 Employees📍 San Francisco, USA

About Chai Discovery

Chai Discovery is developing frontier generative AI models to transform biology from an observational science into an engineering discipline. With models like Chai-3, the company designs de novo molecular compounds, therapeutic proteins, and antibodies from scratch in partnership with leading global biopharmaceutical leaders including Eli Lilly, Pfizer, and Novartis.

Founders & Leadership

Joshua MeierFounder & CEO
Jack DentCo-Founder

Funding History

3 rounds
Series CLATEST ROUNDValuation: $3.8B
Jul 14, 2026
RAISED$400M
Series B
Feb 15, 2025
RAISED$70M
Seed
Mar 1, 2024
RAISED$15M

Open Careers at Chai Discovery

14 open roles
ResearchSan Francisco office
Posted Sep 5, 2024Onsite
Outliers & PolymathsSan Francisco office
Posted Sep 5, 2024Onsite
ScienceSan Francisco office
Posted Feb 16, 2026Onsite
PartnershipsSan Francisco office
Posted Mar 4, 2026Onsite
Platform & ProductsSan Francisco office
Posted Jun 30, 2025Onsite
Platform & ProductsSan Francisco office
Posted Jun 30, 2025Onsite
View all 14 open roles on Careers Page