River AI raises $1.1B to build user-owned AI, launches API for custom agents and LLMs

ying11231 · x · 2026-08-12

River AI announced raising $1.1B to build AI that is owned and shaped by each of us. Their first product, the River API, allows anyone to build custom agents and LLMs based on open weight models. The news was covered by The New York Times.

Related event: River AI Raises $1.1B to Build Personalizable Open-Weight AI(12 posts)→

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