Pangram ships Pangram 4 for mixed human and AI writing

The Brooklyn company also opened an image-detector preview as its authorship scores reach Substack readers.

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Primary source: Pangram on X

Why it matters

Pangram Labs is turning AI detection from a school utility into publishing infrastructure, where model errors can directly affect trust, reputation and revenue.

Pangram ships Pangram 4 for mixed human and AI writing — The Brooklyn company also opened an image-detector preview as its authorship scores reach Substack readers.

Pangram Labs co-founders Max Spero and Bradley Emi released Pangram 4 on July 29th, 2026, expanding the detector beyond binary judgments to classify fully generated, AI-assisted and mixed human-AI writing.…

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