On August 11, 2026, River AI announced the completion of $1.1 billion in seed and Series A funding, led by General Catalyst and AMP PBC, with strategic investments from NVIDIA and AMD Ventures, and participation from Y Combinator and Temasek. Founded by xAI co-founder Igor Babuschkin, River AI is dedicated to building personal AI that returns ownership of intelligence to users. The company has already launched API services supporting complex reinforcement learning training at 2 to 4 times lower cost compared to closed-source solutions.