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River AI

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Personal AI and owned open-weight model training for enterprises

Palo Alto, United StatesFounded 2026AI

Valuation $2.5–5B Last recorded · 2026

Headcount <100 Current team size

Total funding $1–2.5B Disclosed equity funding

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About River AI

River AI is an AI company founded by CEO Igor Babuschkin (ex-xAI chief engineer; Google DeepMind / OpenAI) that builds tools for developers and enterprises to train, tune and own custom open-weight models — positioning personal AI as intelligence users control rather than a single lab-owned general model. Its River API targets LoRA fine-tuning and reinforcement learning on frontier open-weight models with fast weight transfers, sampling-training consistency and elastic compute, claiming complex RL runs in roughly 15–20 minutes without a dedicated infra team and metered token billing without idle GPU charges. The longer roadmap spans training infrastructure, personalization/continual-learning products and hardware that keeps personal AI close to the user. In August 2026 River announced $1.1 billion across Series Seed and Series A led by General Catalyst and AMP PBC, with strategic investment from NVIDIA and AMD Ventures and participation from Y Combinator and Temasek, to accelerate the full stack. Sources: River AI blog 11 Aug 2026; TechCrunch 11 Aug 2026.

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At a glance

Status: Operational
Founded: 2026
Headquarters: Palo Alto, United States
Employees: 18
Open positions: 12
Dealroom signal: 91.0/100
Industry: Enterprise Software
Sector: AI, Core AI, Verified Unicorns and $1B Exits, Generative AI, genAI Model Maker, AI Model Maker, ai model layer, DT and LS
Technology: Artificial Intelligence, Deep Tech
Business model: SaaS
Client focus: b2b
Links: Website LinkedIn

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News, research, reports and resources connected to this company by Dealroom

Funding history

1 recorded event

Company financing events and reported valuations.

Deal type	Date	Amount	Valuation	Investors	Source
EARLY VC✓Equity / VC	Aug 2026	$1.1B	$4.4B	Y Combinator · General Catalyst · Temasek · AMD Ventures	↗

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Growth signals

River AI website traffic

Latest recorded traffic for River AI is 20K monthly website visits.

Latest monthly visits20K

Monthly website visitsJun 2026–Jul 2026

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Open positions

Openings linked to this company in Dealroom

8 distinct openings shownExplore hiring signals →

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