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363•08/15/2026, 06:15•2 min read

Anthropic Implements Watermarks to Comply with EU Regulations

Anthropic Implements Watermarks to Comply with EU Regulations
Executive TL;DR30s read

Anthropic has announced the implementation of watermarks in its Claude model to comply with EU regulations. This method will not affect the quality of responses and does not require additional resources.

Anthropic Implements Watermarks to Comply with EU Regulations

Anthropic has prepared a FAQ to address some questions they received regarding watermarks.

Key Points:

  • We are implementing watermarks to comply with the EU AI Act. Other major model developers have signed the same Code of Practice and will also implement watermarks.
  • Our watermarking method does not practically affect the quality or content of Claude's responses.
  • Readers will not be able to distinguish text with a watermark from text without it.
  • No additional content is added to the text, and there are no hidden characters.
  • Watermarks do not require additional tokens and do not increase costs.
  • The watermark cannot identify a specific person, organization, or chat.

Why it matters

Analysis

The implementation of watermarks is an important step towards compliance with regulatory requirements in the field of artificial intelligence. It also highlights companies' commitments to ethics and transparency in technology.

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