Snorkel AI raised $3.5 billion in a funding round, tripling its valuation due to increased demand for AI training data.

What it means

Snorkel AI, a startup that provides a platform for generating and managing complex AI training data, has raised $350 million in a Series E funding round, tripling its valuation to $3.5 billion. The surge in valuation reflects booming demand from enterprises building advanced AI systems that require high-quality, custom training data.

Accuracy & sourcesGrounded

The claim is well-sourced: Reuters broke the news based on an interview with CEO Alex Ratner, and it has been independently confirmed by TechCrunch and Channel News Asia. The reporting is directly tied to the primary source—the company's funding announcement—so the valuation and raise amount are reliable.

How new

Genuinely new—the funding round and valuation were announced on September 22, 2026, as per the grounding window.

Go deeper

• Channel News Asia — first to publish