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Morning Edition · Friday, August 14, 2026Published at 2:27 AM EDT · New York
River AI Raises $1.1 Billion Two Months After Founding to Sell an Open Model Stack
General Catalyst led the round with strategic money from NVIDIA and AMD Ventures, backing a pitch that enterprises should train and keep their own weights.
River AI, founded roughly two months ago by Igor Babuschkin, a co-founder of xAI who previously worked on reinforcement learning at Google DeepMind and on large-scale training at OpenAI, raised $1.1 billion. General Catalyst and AMP PBC led…
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Part of a tracked trend
Open-Weight Models Close the Gap With Closed Frontier Labs
Over the next 3-9 months, open-weight releases with downloadable weights, long context, and strong agentic/coding performance increasingly match closed frontier models on practical work, eroding the closed-lab moat.
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