Snorkel AI
Programmatic data labeling spun out of the Stanford AI Lab. Used to train internal LLMs at major banks, insurers, and pharma companies.
- Location
- Redwood City, United States
- Raised
- $135M+
- Stage
- Series C
- Founded
- 2019
- Category
- AI
- Funding
- VC-backed
- Team
- 201-500
Funding figures as of Jul 2025 · not independently verified
Founders of Snorkel AI
- Alex Ratner
- Chris Re
- Braden Hancock
Investors backing Snorkel AI
- Addition
- Lightspeed
- Greylock
Frequently asked questions
What does Snorkel AI do?
Programmatic data labeling spun out of the Stanford AI Lab. Used to train internal LLMs at major banks, insurers, and pharma companies.
Where is Snorkel AI based?
Snorkel AI is based in Redwood City, United States.
When was Snorkel AI founded?
Snorkel AI was founded in 2019.
How much has Snorkel AI raised?
Snorkel AI has raised $135M+ in their Series C round as of Jul 2025.
Who founded Snorkel AI?
Snorkel AI was founded by Alex Ratner, Chris Re, Braden Hancock.
Who has invested in Snorkel AI?
Snorkel AI is backed by Addition, Lightspeed, Greylock.
How Snorkel AI would pitch themselves
○ Auto-generated01Target customer
Enterprise — the core audience Snorkel AI's product is built around.
02Problem they solve
Programmatic data labeling spun out of the Stanford AI Lab. Used to train internal LLMs at major banks, insurers, and pharma companies. The category has historically been served by tools that miss the modern workflow this product is built around.
03Key differentiator
Snorkel AI differentiates on the ai data development platform for enterprise. Backed by Addition + Lightspeed, $135M+ raised — the company has resources + validation to compound this thesis. Founded by Alex Ratner + team.
04Go-to-market strategy
Growth-stage GTM — multi-channel revenue motion (direct enterprise sales, channel partnerships, marketplace listings). Vertical specialisation + verticalised AE teams targeting enterprise + mid-market.