River AI Raises $1.1B Two Months After Founding

An ex-xAI team pulled in over a billion dollars almost immediately, backed by General Catalyst, Nvidia, and Y Combinator — a sign that agent-startup funding has detached from traditional milestones.

River AI raised $1.1 billion just two months after its founding, according to @Aizcalibur, with backing from General Catalyst, Nvidia, and Y Combinator. The company, reportedly built by ex-xAI team members focused on personalized AI, secured a nine-figure war chest before shipping a product — a milestone-free raise that says as much about the market as about the team.

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