New: detection for paraphrased and “humanized” text.Read the report →

The Proof5 blog

Notes on AI writing, detection research, and the people who read it.

A closer look at the next generation of Proof5, from mixed authorship to the way checks are counted.

Product updates
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Proof5 design preview

This is an interactive design prototype. Accounts, subscriptions, integrations and AI detection are not connected to a live service.