Anthropic plans to add an invisible mark to AI text-as the industry scrambles to police AI slop

AI-generated content might soon get easier to spot. OpenAI’s Brad Lightcap is leaving Nvidia and Wall Street’s biggest names team up on a $500 billion AI financing push. House Democrats want AI CEOs to testify on hacking incidents. Scientists used AI to invent a virus. And AI may be able to help us answer some of our unsolvable questions—with a little encouragement. Anthropic is planning to introduce a subtle watermark that can be used to identify AI-generated text. Starting with models released on or after August 2, Anthropic says it’s weaving an imperceptible, machine-readable signal directly into Claude-generated text. People…