River AI raises $1.1B
River AI announced a Series A round of $1.1B on 11 August 2026. The company operates in AI & Machine Learning and is based in United States. It was founded by Igor Babuschkin, CEO & Founder.
Industry
AI & Machine Learning
Founder
Igor Babuschkin
CEO & Founder, River AI
Outreach angles
- -Babuschkin previously worked on AI research at DeepMind and OpenAI before co-founding xAI alongside Elon Musk.
- -He left xAI in 2026 to found River AI just two months before this funding announcement.
- -The $1.1 billion round, led by General Catalyst with Nvidia and Y Combinator participating, will fund River's push to let any enterprise run reinforcement learning fine-tuning in 15 to 20 minutes without an infrastructure team.
Signals
Series AAI-NativeEnterpriseSecond-Time FounderDeep Tech
Round details
Company: River AI
Domain: river.ai
Amount: $1.1B
Stage: Series A
Industry: AI & Machine Learning
Country: United States
Announced: 11 August 2026
Other AI & Machine Learning raises
Recently funded in United States