Anthropic opens Claude AI text detection to regulators, media, fact-checkers, and others
EU AI Act just made watermarking mandatory. Anthropic is opening the detection API—but critics say it could backfire on text quality and create new legal traps.

Why it matters
Anthropic's watermark detection API responds to EU AI Act compliance requirements, but raises practical questions about text quality degradation and contractual enforcement of AI-use bans—a deployment reality practitioners need to track.
The key facts
10 to knowAnthropic launches API for Claude watermark detection
EU AI Act requires invisible watermarks in AI-generated text
API opens to regulators, media, researchers, fact-checkers
Critics warn watermarking could degrade text quality
Contracts banning AI use create transparency/compliance conflicts
Regulation driving technical implementation at scale
Anthropic launches API for watermark detection open to regulators, media, fact-checkers, researchers
EU AI Act now mandates invisible watermarks in AI-generated text
Critics flag risk: watermarks could be weaponized in contracts to ban AI use
Transparency concern: watermark detection could degrade text quality
Go to the source
The Decoderthe-decoder.com
Publisher excerpt: Anthropic is launching an API that lets regulators, media outlets, and researchers check whether text carries Claude's digital watermark. The EU AI Act now requires invisible watermarks in AI-generated text. Critics warn the technology could hurt text quality and create transparency problems where…