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MoneyThe story, in brief

Training data provider Snorkel AI raises $350M at $3.5B valuation

$350M at $3.5B valuation. Snorkel AI's Series E signals where the capital is flowing in 2026: training data infrastructure.

Reporting by SiliconAngle 1 min brief
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The KeyNews take

Why it matters

Training data providers are becoming strategic assets as frontier labs compete on data quality and scale. A $3.5B valuation for Snorkel signals investor conviction that data curation—not just compute or models—will be a bottleneck and defensible business.

The key facts

6 to know

  1. Snorkel AI raised $350M in Series E

  2. $3.5B post-money valuation

  3. Led by Insight and S32

  4. Alphabet GV participated

  5. Founded 2019 by Stanford researchers

  6. Training data provider (core AI infrastructure)

Go to the source

SiliconAnglesiliconangle.com

Publisher excerpt: Snorkel AI Inc., a provider of artificial intelligence training data, today disclosed that it has raised $350 million in funding. Insight and S32 led the Series E deal. They were joined by more than a half-dozen other backers including Alphabet Inc.’s GV startup fund. Snorkel AI was founded in 2019…
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Snorkel AI triples valuation to $3.5B as demand for AI training data booms

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