OpenAI-backed Chai Discovery dropped Chai-2, an AI that can design working antibodies

It designed antibodies against 52 diseases and found successful treatments for half of them by testing just 20 candidates each

A big breakthrough in drug discovery!pic.twitter.com/2sov4rVHfV

— Rowan Cheung (@rowancheung) 1 juillet 2025

OpenAI-backed Chai Discovery dropped Chai-2, an AI that can design working antibodies It designed antibodies against 52 diseases and found successful treatments for half of them by testing just 20 candidates each A big breakthrough in drug discovery!

→ View original post on X — @rowancheung,