Anthropic opens Claude AI text detection to regulators, media, fact-checkers, and others

AITopTools Editorial TeamSeptember 1, 2026

What changed

Anthropic is launching an API that lets regulators, news organizations, fact-checkers, and researchers check whether text includes Claude’s invisible digital watermark. The move comes as the EU AI Act requires watermarks for AI-generated text, while critics warn they may reduce text quality and create problems where contracts prohibit AI use.

What this means for you

Eligible organizations can use the API to investigate whether text was produced by Claude, but the feed does not specify pricing or broader public access. Watermarks may also create practical and legal complications for people whose agreements ban AI-written material.

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Claude

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