Anthropic will embed invisible watermarks in Claude text and sign generated files. Detection tools are still unpublished, and marks can appear on edited human writing.

In its announcement this week, Anthropic said Claude models launched on or after Aug. 2 would include watermarking. That includes content created by Claude through the API, Claude, Claude Code, Claude ...

The watermark will be invisible to readers but can help determine whether Claude was involved in creating a piece of text.

Anthropic is rolling out invisible watermarks designed to identify content generated by Claude. But even a human-written ...

Claude Code vs. Codex: Why I use both and how to choose one (if you must) ...

CRUCIAL QUOTE “I had ditched Grammarly for Claude for proofreading because it does a better job,” radio show host and blogger Erick Erickson posted to X. “But now the stuff ...

Students and even some professionals trying to pass off AI-generated work as their own may soon have a harder time getting away with it. Anthropic announced this week that it will start adding machine ...

Anthropic is adding invisible watermarks to text generated by supported Claude models as part of its commitments under the EU ...

Anthropic will add hidden marks to Claude-generated text, making AI content easier to detect even after copying, pasting or some editing.

Anthropic detailed how its invisible text watermarking system for Claude models works to comply with EU AI Act transparency ...

Anthropic says new Claude models will embed machine-readable watermarks in generated text that can survive copy-pasting and some editing ...

- Pages from the Anthropic website and the company's logo are displayed on a computer screen in New York, Feb. 26, 2026. (AP Photo/Patrick Sison, File) ...