Is the o3-mini-high 0.8% hallucination rate claim real — and what it means for accuracy and reasoning vs GPT-5

https://blogfreely.net/bailirbagw/h1-b-when-summaries-mislead-measuring-journalism-accuracy-in-production-llms

Which questions I’ll answer and why they matter for model choice and risk Organizations see a headline number like "0.8% hallucination" and want to buy into that promise. You should not