from the desperately-seeking-satoshi dept As its name suggests, generative AI is designed to generate material in response to prompts by drawing on its probabilistic database built up through analyzing huge quantities of training input. But it can draw on those patterns to analyze other files, and that’s also a widely used application. Writing in The Argument, Kelsey Piper encountered an interesting variant of that approach : Recently, Anthropic released a new version of Claude, Opus 4.7. I did what I usually do when a new AI model is released by Google, OpenAI, or Anthropic and ran a bunch of tests on it to see what it can do. One of those tests is to paste in some text from unpublished drafts of mine and ask it to guess the author. … From only the above text [not shown here], 125 words, Claude Opus 4.7 informed me that the likeliest author is Kelsey Piper. This is an Opus 4.7-specific power; ChatGPT guessed Yglesias, and Gemini guessed Scott Alexander.…