GPT-4.5 Passes Empirical Turing Test—Humans Mistaken for AI in Landmark Study
A recent pre-registered study conducted randomized three-party Turing tests comparing humans with ELIZA, GPT-4o, LLaMa-3.1-405B, and GPT-4.5. Surprisingly, GPT-4.5 convincingly surpassed actual humans, being judged as human 73% of the time—significantl…