AI NewsxAI Co-Founder Igor Babuschkin’s Startup River AI Raises $1.1 Bn to Build Custom AI Models

xAI Co-Founder Igor Babuschkin’s Startup River AI Raises $1.1 Bn to Build Custom AI Models

2:48 AM IST · August 12, 2026

xAI Co-Founder Igor Babuschkin’s Startup River AI Raises $1.1 Bn to Build Custom AI Models

River’s API lets enterprises fine-tune and run reinforcement learning on open-weight models without building or managing their own AI infrastructure.

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