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Applied AI·September 18, 2026·1 min read

AI watermarking could make LLM guardrail adherence unpredictable — and that could be a big problem for the EU AI Act

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If watermarking schemes materially change LLM behavior, then compliance and safety guarantees become moving targets instead of fixed properties. Teams selling into the EU should treat watermarking as a design variable to be tested and documented, not a bolt-on for policy comfort.