River AI develops tools for training, adapting, and serving AI models and building personalized AI systems.
Founded in 2026 by Igor Babuschkin, River AI develops AI model training, fine-tuning, personalization, and agent infrastructure for individuals, businesses, and developers. The company is based in Palo Alto, US. In March 2026, it raised an undisclosed amount in Series A funding co-led by General Catalyst Partners and AMP PBC, with participation from Andreessen Horowitz, Sequoia, Coatue Management, NVIDIA Corporation, AMD Ventures, Y Combinator, and Temasek Holdings.
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