Putting an invisible watermark in AI-generated text — without distorting a single word choice. The clever mechanism is now public. Title: How Claude's text watermark works URL: Claude is adding invisible text watermarking to future models to comply with the EU AI Act. Three points worth a closer look. 🎲 Highlight 1: It changes the "source of randomness," not the words Watermarking sounds like swapping words, but this method doesn't. It only replaces the source of randomness used during generation, deriving it from an encoding key and preceding words. Like using digits of pi instead of dice in Monopoly: readers can't perceive it, yet it can be verified after the fact. The technique is SynthID-Text, published by Google DeepMind in Nature. ⚡ Highlight 2: Near-zero impact on quality, speed, and cost Internal tests and DeepMind's controlled studies found no statistically significant difference between watermarked and unwatermarked text. Speed impact is negligible, no extra tokens are needed, and pricing is unchanged. The watermark carries no info traceable to users, orgs, or specific chats. 🔍 Highlight 3: Honest about what it can't do Longer passages detect more reliably, but short samples are hard. It can't watermark fact-heavy spans or exact outputs like equations and functional code where there's no equivalent alternative. Light edits may survive, but a full rewrite erases it. A detection API is coming soon. A pragmatic take on transparency that balances regulation with production quality. #AIWatermark# #EUAIAct#

your AI-generated text might be carrying stuff you never meant to send. so we built a way to remove it. TextTrace is live today. paste your text in and it can find + clean: → possible AI watermark patterns → invisible characters → weird unicode → hidden formatting artifacts the part i care about most is the watermark tool. instead of giving you another fake “97% AI” score, it shows the possible disruption points and rewrites the text while keeping the meaning intact. basically: paste → inspect → remove → copy. we’ve been working on this for a while and i finally want people outside our team trying to break it. try it: if you find something weird, send it to me.

Neverness to Everness is facing more backlash over its use of AI. Players in China noticed a Doubao AI watermark on seahorse artwork in the game’s 1.3 update. The watermark suggests the image was made using the free version of ByteDance’s AI tool and was accidentally left in the final game. The developers previously said AI tools were used for a small number of background while the characters and story were created by humans.

A tech entrepreneur's "Watermarks Remover" project was built and live just hours after Anthropic's AI watermark announcement was made. "There are a lot of subtleties in this conversation. People have a hard time getting that I'm not against content at...