Superhuman acquires AI detection startup GPTZero

Superhuman, which also has an AI detection tool as part of Grammarly, has snapped up GPTZero.

The short version

• The first StrictlyVC of 2026 hits SF on April 30.
• Founder Summit ticket savings of up to $190 end June 26.
• Join 1,000+ founders and VCs for all-day bootcamp.
• GPTZero, the three-year-old AI detection startup that Princeton grad Edward Tian first built as a senior thesis project, has been acquired by Superhuman, the companies announced on Tuesday.

What happened

The first StrictlyVC of 2026 hits SF on April 30. Founder Summit ticket savings of up to $190 end June 26.

Why it matters

Terms of the deal were not disclosed, though Tian told Business Insider that GPTZero amassed more than 19 million registered users and $30 million in annual recurring revenue.

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