Sail Research Co.

United States · raised · AI

Potential 82Scoop 38

Two Stanford friends who shipped a now-inactive YC startup raised $80 million with backing from John Hennessy and Lip-Bu Tan.

Sail Research builds inference systems and persistent sandboxes for long-running autonomous agents. The company raised $80 million at a $450 million valuation from Sequoia and Kleiner Perkins.