Snorkel AIrevenue, valuation & funding
Data Labeling SoftwareRedwood City, CaliforniaFounded 2019CEO Alexander Ratner
Snorkel AI is a software company that provides a platform for building and managing training data for machine learning models.
Snorkel AI revenue
Snorkel AI's annual revenue was $375M in September 2026 (TechCrunch). That is up 153% from $148M a year earlier.
All 5 revenue readings, with sources
| As of | Revenue | Source |
|---|---|---|
| Aug 2021 | $1.2M | – |
| Dec 2023 | $4.7MEST. | GetLatka estimate |
| Nov 2024 | $36.8MEST. | ZoomInfo estimate |
| Oct 2025 | $148M | – |
| Sep 2026 | $375M | TechCrunch |
– source not recorded
Snorkel AI valuation
Snorkel AI is privately held, so there is no Snorkel AI stock to buy. Investors valued it at $1.3B in its May 2025 Series D, led by Addition.
Valuation history$1.3B Series D 2025$915M Series C 2021$100M Series B 2021$13M Seed 2020$60M Series A 2020
Snorkel AI funding rounds & investors
Snorkel AI has raised $235.3M across five rounds since 2020. The latest was a $100M Series D in May 2025, led by Addition.
| Date | Round | Raised | Valuation | Led by | Source |
|---|---|---|---|---|---|
| May 2025 | Series D | $100M | $1.3B | Addition | Business Wire |
| Aug 2021 | Series C | $85M | $915M | – | |
| Apr 2021 | Series B | $35M | $100M | – | |
| Jul 2020 | Seed | $3.3M | $13M | – | |
| Jul 2020 | Series A | $12M | $60M | – | |
| Total raised | $235.3M |
Snorkel AI competitors
Snorkel AI competes most directly with Scale AI and Labelbox.
| Company | Revenue | Funding | Employees | Customers | Founded |
|---|---|---|---|---|---|
 Scale AI | $2B | $1.6B | 5,779 | 1K | 2016 |
| Snorkel AI | $375M | $235.3M | 776 | – | 2019 |
 Labelbox | $50M | $110M | 551 | 50 | 2018 |
#4 of 92 Data Labeling Software companies by revenue · category median $2.8M · See the ranking
Snorkel AI CEO, founders & employees
Alexander Ratner founded Snorkel AI in 2019 and runs it as CEO. Snorkel AI has 776 employees (November 2025, LinkedIn), up from 352 a year earlier.
- Alexander RatnerFounder & CEO
All 9 headcount readings, with sources
| As of | Employees | Source |
|---|---|---|
| Nov 2025 | 776 | |
| 2025 | 1,000EST. | reveliolabs.com estimate |
| Dec 2024 | 352 | |
| Oct 2024 | 120 | |
| Dec 2023 | 120 | |
| Jul 2023 | 120 | – |
| Dec 2022 | 141 | |
| Dec 2021 | 119 | |
| Aug 2021 | 81 | – |
Snorkel AI FAQ
What is Snorkel AI's revenue?
Snorkel AI's annual revenue was $375M in September 2026, according to TechCrunch.
What is Snorkel AI's valuation?
Investors valued Snorkel AI at $1.3B in its May 2025 Series D, led by Addition, according to Business Wire.
How much funding has Snorkel AI raised?
Snorkel AI has raised $235.3M across five funding rounds. The latest was a $100M Series D in May 2025, led by Addition.
Who owns Snorkel AI?
Snorkel AI is privately held. Its lead investors include Addition.
How many employees does Snorkel AI have?
Snorkel AI has 776 employees as of November 2025, according to LinkedIn.
Who is the CEO of Snorkel AI?
Alexander Ratner is the CEO of Snorkel AI and founded the company in 2019.
Who founded Snorkel AI?
Alexander Ratner founded Snorkel AI in 2019.
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How this page is sourced
8 from public sources · 3 estimates. Founder figures link to the second they were said; public figures name their source; estimates are marked EST. and say whose they are. Not financial advice.
Updated Oct 13, 2026Data disclaimerReport a correctionClaim this profileRun Snorkel AI? Join the podcast