With so many puff pieces out there about what AI can do, it’s rare to see a story about what it can’t do. To conduct the yet-to-be-peer-reviewed study, the researches applied what they call a “computational Turing test” to posts LLMs on X-formerly-Twitter, Reddit, and Bluesky. “Even after calibration, LLM outputs remain clearly distinguishable from human text, particularly in affective tone and emotional expression,” the team wrote. For example, “the large Llama-3.1-70B performs on par with, or even below, smaller models,” the researchers wrote. More on AI: Scientists Created an Entire Social Network Where Every User Is a Bot, and Something Wild Happened