
River AI
Personalized AI startup that helps enterprises customize open-source artificial intelligence models.
About
River AI is building personal AI owned and shaped by individuals, envisioning a future where AI works entirely for you and aligns with your values. Their core offering includes a platform for creating highly personalized, continually learning AI models through advances in interfaces, models, algorithms, infrastructure, and personal hardware. River AI also offers an API that allows developers to train and own custom AI models using LoRA-based fine-tuning and reinforcement learning on open-source models.
Key facts
At-a-glance profile data
- Website
- river.ai
- Headquarters
- San Francisco, United States
- Employees
- 18
- Total funding
- $1.1B (Seed and Series A)
- Business model
- B2B
Funding rounds
| Date | Round | Amount | Lead investors |
|---|---|---|---|
| 11 Aug 2026 | Seed and Series A | $1.1B | General Catalyst, AMP PBC |
Tech stack
Detected on river.ai, last scanned 24 Sept 2026. Run your own scan
- Analytics
- Google Analytics 4, Segment
- CDN
- Cloudflare
- Email provider
- Google Workspace
- Status page
- BetterStack
Frequently asked
What is River AI's Effective Domain Rating?
StartupHub's Effective Domain Rating for River AI is 17 out of 100, measuring real cross-surface visibility in search engines and AI answers rather than claimed link authority.
Is River AI trustworthy and reputable?
StartupHub's Data Trust & Reputation score for River AI is 26 out of 100, based on site security posture and privacy practices.
How much funding has River AI raised?
River AI has raised a total of $1.1B in funding. The most recent round on record is Seed and Series A.
How many employees does River AI have?
River AI has approximately 18 people on record.
