Vinod Khosla backs Wajo’s Fo as a safer personal AI agent

Most AI assistants can draft your email. Wajo’s Fo can send it, call the restaurant, book the table, and pay with a card that stops working right after the purchase. Vinod Khosla, the founder of Khosla Ventures and a prominent OpenAI backer, is publicly vouching for it. His pitch rests less on how clever the agent is and more on whether you can trust it with your credit card. Meet Fo, the agent with its own identity Wajo is a San Francisco startup founded by Shivani Poddar, a former engineer at Google DeepMind. The company is pitching a new category it calls “action agents.” Fo, Wajo’s flagship product, gets its own phone number, its own email address, and single-use virtual payment cards. With that kit, Fo can make bookings, place calls, and send emails for its user. When a task exceeds what the AI can handle, it can bring in human assistants to finish the work. The numbers behind the pitch Fo entered an alpha program on August 25, 2026. After roughly a month of testing, it moved to broader public availability on September 28, 2026. On its debut, Fo completed 71% of 104 real-world tasks without help. Its closest competitor, OpenClaw, sits at 42% by the same comparison. On safety, ...