Security & Governance
How Claude's invisible watermark works: and what it means for you
Anthropic explains its SynthID-Text watermarking for Claude: how it works, what it survives, its limits, and a detection API coming soon.
Topic
Transparency
3 posts about Transparency from Simon Carter.
Security & Governance
Anthropic embeds invisible watermarks in all Claude-generated content, worldwide
From 2 August 2026, all Claude models watermark generated text and attach C2PA metadata to files: globally, with no opt-out.
Security & Governance
Anthropic reverses hidden Claude Fable 5 restriction that silently degraded outputs for AI researchers
Anthropic walked back a covert policy that quietly limited Claude Fable 5's usefulness for frontier LLM development tasks, without telling users.