Company record
Snorkel AI
Updated November 2, 2026 · Presspool
Snorkel AI builds expert-curated datasets and environments that AI labs, enterprises and government agencies use to train and evaluate models. snorkel.ai
Funding
- $350 million Series E, announced September 22, 2026. Led by Insight Partners and S32. Valuation: $3.5 billion. Listed in the AI startup funding roster for September 21–26, 2026. Sources: Snorkel AI, TechCrunch.
Of the 6 Series E rounds with exactly stated amounts in dollars on Presspool's weekly rosters since September 21, 2026, Snorkel AI's $350 million is the 2nd largest; their median is $281 million.
Whether AI names Snorkel AI
- On the AI infrastructure map: named or cited in 3 of 50 answers to Presspool's AI infrastructure questions on November 2, 2026 (ChatGPT 1 of 8, Claude 0 of 8, Perplexity 1 of 8, Gemini 1 of 8, Copilot 0 of 8, Google AI Mode 0 of 6, Google AI Overviews 0 of 4). See the map. Of the 54 companies on the map, Snorkel AI ranked joint 19th by answers naming or citing it in that sample. The other companies AI names most on AI infrastructure questions: Lambda (17 of 50), Crusoe (13 of 50), Together AI (11 of 50), Fireworks AI (10 of 50), Groq (10 of 50), LangChain (10 of 50) and Modal (10 of 50). Most often named in the same answers: GMI Cloud (3), Crusoe (2), Fireworks AI (2), Fluidstack (2), Groq (2).
- Machine Relations Index: Cited in 14 of 36,189 Index answers, May 10, 2026 to November 6, 2026.
Week by week
Answers that named or cited Snorkel AI in each weekly sample of Presspool's AI infrastructure questions, by the Monday of the sample week. A row is added every week.
| Week of | AI infrastructure |
|---|---|
| September 21, 2026 | 3 of 39 |
| October 5, 2026 | 0 of 48 |
| October 12, 2026 | 0 of 50 |
| October 19, 2026 | 1 of 56 |
| October 26, 2026 | 2 of 53 |
| November 2, 2026 | 3 of 50 |
Sources AI cites when it names Snorkel AI
Presspool asked its 8 AI infrastructure questions on November 2, 2026; 3 of the 50 answers named or cited Snorkel AI, on ChatGPT, Perplexity and Gemini. The sites those 3 answers cited most:
- newmarketpitch.com: 2 of 3 answers
- vcbacked.co: 2 of 3 answers
- af.net: 1 of 3 answers
- baseten.co: 1 of 3 answers
- crunchbase.com: 1 of 3 answers
- crusoe.ai: 1 of 3 answers
- dealroom.co: 1 of 3 answers
- fireworks.ai: 1 of 3 answers
- fru.dev: 1 of 3 answers
- letsdatascience.com: 1 of 3 answers
Related records
Also on the AI infrastructure map: Arcade, Baseten, Braintrust, Clockwork.io, Crusoe, Daytona, DeepInfra, Encord, Exa, fal, Fiddler AI, Firecrawl and 41 more on the map.
Closest rounds in the roster for September 21–26, 2026: Enveda ($311 million Series E, September 23, 2026), Heidi ($340 million Series C plus growth investment, September 22, 2026), Island ($400 million Series F, September 24, 2026), Cyera ($400 million Series G extension, September 22, 2026), ASI ($225 million, round type not disclosed, September 24, 2026), TEKEVER ($580 million Series D, September 23, 2026).
Insight Partners, which led this round, also led Tendos (€12 million seed, October 27, 2026), Qualitate ($25 million Series A, October 20, 2026), Stuut ($52.5 million Series B, October 7, 2026), Hestus ($7.4 million Seed, October 2, 2026), Metaview ($60 million Series C, September 30, 2026) and Numeral ($100 million Series C, September 23, 2026). 2 more of its rounds are on its page.
S32, which led this round, also led Basecamp Research ($140 million Series C, September 23, 2026).