Chai Discovery Raises $400 Million Series C To Advance AI-Driven Molecular Design
By Amit Chowdhry ● Jul 14, 2026
Chai Discovery announced a $400 million Series C financing to accelerate the development and deployment of its AI-driven molecular design platform. The round valued Chai Discovery at $3.8 billion. It was led by Index Ventures alongside Kleiner Perkins, Sequoia Capital, and Dimension. New investors in the round included Bain Capital Ventures, Battery Ventures, Baillie Gifford, BDT & MSD, Sapphire Ventures, Avra Capital, and other notable investors. Existing investors Thrive Capital, OpenAI, Oak HC/FT, Menlo Ventures, General Catalyst, Glade Brook, Avenir, Lachy Groom, and Yosemite also participated.