River AI Secures $1.1B in Seed Funding to Rebuild AI Stack for Personal Agents

River AI, a startup established by Igor Babuschkin, a co-founder of xAI, has successfully secured $1.1 billion in a seed/Series A funding round. This round was spearheaded by General Catalyst and AMP PBC, with contributions from Nvidia, AMD Ventures, Y Combinator, and Temasek. Having emerged from stealth mode in June, the company seeks to transform AI into customizable personal assistants. Babuschkin envisions these intelligent agents as protective companions for users. River provides an API that charges per million tokens, allowing developers to implement reinforcement learning and low-rank adaptation fine-tuning on open models. This funding indicates a rising interest among businesses to manage their AI systems, with River aspiring for everyone to possess their own trained agents, similar to personal assistants like OpenClaw.