OpenAI-backed biotech firm Chai Discovery raises $130M Series B at $1.3B valuation
In Brief Posted: 3:41 PM PST · December 15, 2025 Image Credits:Andrew Brookes / Getty Images Lucas Ropek OpenAI-backed biotech firm Chai Discovery raises $130M Series B at $1.3B valuation Chai Discovery, a biotech startup with backing from OpenAI, announced an $130 million Series B round at a $1.3 billion valuation on Monday. The round was led by General Catalyst and Oak HC/FT, the company said. Other participants include Menlo Ventures, OpenAI, Dimension, Thrive Capital, Neo, Yosemite venture fund, Lachy Groom, SV Angel, and new investors Glade Brook and Emerson Collective. The firm’s total funding now stands at over $225 million. The company is one in a growing industry that sees AI as a faster route towards drug development. In August, Menlo Ventures…
