River AI Raises $1.1B, Launches API for Custom Agents and LLMs

himanshustwts · x · 2026-08-11

River AI announced it has raised $1.1 billion to build AI that is owned and shaped by individuals. The company also launched its first product, the River API, which allows anyone to build custom agents and LLMs based on open-weight models.

Related event: River AI Raises $1.1B to Build Personal AI Stack(9 posts)→

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