Drew Breunig
@dbreunig
Writing about and working on AI, DSPy, geo, and data.
Joined March 2008
1.2K Following 9.5K Followers
Back in 2023, I called this “trap tokens”, similar to how map makers insert fake “trap streets” to catch copiers. Been waiting for this…
Anthropic says new Claude models will embed invisible watermarks in all generated text, everywhere Claude is offered.
The watermark is part of the text, it isn't metadata: "it will travel with the text when it's copied and pasted elsewhere, and may persist through some editing."
This starts with models launched on or after August 2, 2026, under an EU AI Act code Anthropic signed. Anthropic is still working on adding it to current models. The rollout is worldwide.
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