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Anthropic Is Quietly Watermarking Every Claude AI Output. Builders Are Already Trying to Break It

Anthropic is weaving an invisible, machine-readable watermark into every word its newest Claude models write—and it hasn't said how.

Anthropic Is Quietly Watermarking Every Claude AI Output. Builders Are Already Trying to Break It

We haven't written up this one. Decrypt has the full story — the link below goes straight to it.

Read the original at decrypt.co →

More in AI

Writer introduces new AI model and upgraded harness to contain token costs

Built as a post-training variation on Z.ai's open source model GLM-5.2, Writer says the new system should provide deployment-ready capabilities at a much lower price.

  • Writer launches Palmyra X6 model to reduce AI deployment costs
  • Upgraded harness infrastructure claims 50% cost reduction for basic tasks
  • Harness optimization strategy cuts average costs by 40% compared to model changes