# TechCrunch — Some Claude users are mad that Anthropic’s new watermarks will catch them using it at their jobs, classes

- Company: TechCrunch (techcrunch.com)
- Announced: 2026-08-12T22:26:37+00:00
- Category: product-launch
- Subject: Reporting
- Models affected: Claude
- Source: https://techcrunch.com/2026/08/12/some-claude-users-are-mad-that-anthropics-new-watermarks-will-catch-them-cheating-at-their-jobs-classes/
- Record: https://forck.live/items/3937-some-claude-users-are-mad-that-anthropic-s-new-watermarks-will-catch-them

Anthropic is watermarking Claude's outputs to comply with the EU AI Act, inserting invisible code that marks text as AI-generated, which has sparked user backlash over potential detection of AI usage.

## Evidence

Verbatim from https://techcrunch.com/2026/08/12/some-claude-users-are-mad-that-anthropics-new-watermarks-will-catch-them-cheating-at-their-jobs-classes/:

> Anthropic recently made the decision to watermark Claude’s outputs — inserting invisible code into the chatbot’s editorial text that marks it as AI-generated.

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