Sequoia Backs Sable With $45M Series A for AI Employees

Fundraise Insider tracks newly funded startups each week and delivers verified B2B leads list of C-suite contacts straight to your inbox, so you reach the right people while the funding is still fresh. See pricing.

Sable, a San Francisco, California company, announced a $45 million Series A on July 16, 2026. Sequoia Capital and 8VC led the financing.

Founded by a group of Harvard graduates, the company is less than a year old. Its product is an AI employee called Aiden that lives on a company’s website, running live product walk-throughs and answering detailed questions as they come.

Shaun Maguire of Sequoia Capital and Joe Lonsdale of 8VC led their firms’ investments and are joining Sable’s board. The angel list includes Antonio Gracias of Valor, HubSpot cofounders Brian Halligan and Dharmesh Shah, and Cognition chief executive Scott Wu.

Aiden is already running in production at Notion, Decagon and several large public companies.