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Snorkel

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Snorkel AI is the frontier AI data lab, helping teams build the data and environments behind high-performing frontier and agentic AI.

1

Products

2019

Founded

1.5K

Employees

$465M

Total Raised

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Coverage fromTechCrunchReuters
1product tracked·7press mentions

About Snorkel

Snorkel AI is the frontier AI data lab, helping teams build the data and environments behind high-performing frontier and agentic AI. We combine platform technology with research-driven data development to create datasets, benchmarks, evals, and custom solutions for real-world AI systems. Founded out of the Stanford AI Lab in 2019, Snorkel works with leading AI labs and enterprises to move from better data to better outcomes. Snorkel led the development of Senior SWE-Bench and launched Open Benchmarks Grants with a $3 million commitment to support open-source datasets, benchmarks, and evaluation research. Supported projects include Agents’ Last Exam, OSWorld 2.0, Terminal-Bench, Continual Learning Bench, and SlopCode Bench. Learn more at snorkel.ai or follow @SnorkelAI.

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Funding History

Total raised: $465M across 3 rounds

Series E$350MSep 2026
Insight Partners,S32,Addition,Lightspeed,Greylock Partners,GV (Google Ventures),Prosperity7 Ventures,Factory,Wells Fargo,Walden Catalyst Ventures,Third Point LLC,March Capital,Blumberg Capital,Allegis Capital,Frontline Ventures,Standard VC
Sources:snorkel.ai
Funding$100MAug 2025

Snorkel: Frequently Asked Questions

What does Snorkel do?

Snorkel AI provides a platform for programmatically building and managing training data for AI models. It helps organizations accelerate AI development by enabling them to label, build, and adapt data for various machine learning applications. Snorkel AI serves enterprises and researchers looking to improve the efficiency and quality of their AI data pipelines.

When was Snorkel founded?

Snorkel was founded in 2019.

How much funding has Snorkel raised?

Snorkel has raised $465M in total disclosed funding across 3 rounds. Its most recent round was a Series E round in Sep 2026.

How many employees does Snorkel have?

Snorkel has approximately 1,457 employees.

Where is Snorkel based?

Snorkel is based in the United States.