River AI is a full-stack AI company founded by Igor Babuschkin to create personal, continually improving AI. Its platform allows any developer to train, tune, and serve custom models without a dedicated infrastructure team or expensive hardware. Through its API, River delivers state-of-the-art LoRA fine-tuning and reinforcement learning for frontier open weight models, with token-metered billing and instant deployment to production.

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Funding Events

Date	Amount	Type	Investors	Valuation
08/21/26	$1,100,000,000	Venture	AMD Ventures AMP PBC General Catalyst NVIDIA	undisclosed