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Claude Quietly Hides Pi Inside Its Text: Anthropic Uses a String of Numbers to Invisibly Watermark AI Writing
Tech

Claude Quietly Hides Pi Inside Its Text: Anthropic Uses a String of Numbers to Invisibly Watermark AI Writing

To comply with EU AI transparency rules, Anthropic has Claude use pi as a "key" to decide word order, embedding a watermark invisible to the naked eye—though edited text may not always escape detection.

Google Makes AI Watermarks Optional: You Can Now Turn Off That Sparkle Icon
Tech

Google Makes AI Watermarks Optional: You Can Now Turn Off That Sparkle Icon

Google VP Josh Woodward has announced that Nano Banana, Omni, Lyria, and other models will allow users to remove visible AI watermarks, leaving only the invisible SynthID and C2PA metadata mandatory. Regulated regions like the EU and South Korea remain unaffected.