Claude Now Applies Invisible Watermarks to AI-Generated Text and Images

Anthropic has announced that Claude will apply invisible watermarks to both text and images it generates, using the C2PA (Coalition for Content Provenance and Authenticity) standard. This means AI-generated content from Claude can be cryptographically identified as machine-produced even after sharing or downstream processing. For developers building content pipelines, moderation systems, or publishing tools, this adds a verifiable provenance layer without altering visible output quality. The move aligns with growing regulatory and platform-level pressure to label synthetic content, and sets a precedent other frontier model providers may follow. Teams integrating Claude into production apps should audit how watermarked outputs interact with their existing content workflows.