OpenAI's New Model Halved Hallucinations. Here's Why That Number Is BS (And What Actually Matters)
GPT-5.5 Instant dropped May 5, 2026. 500 million ChatGPT users woke up with it by default. OpenAI's own numbers claim 52.5% fewer hallucinations on high-stakes prompts. Medicine, law, finance. That number sounds like the problem is solved. It isn't.
Hallucinations have been blocking enterprise