Can an AI guess what it knows?

Last New Year’s Eve I asked ChatGPT a question that has been rattling around my head: based purely on your training data, if you had to guess (without looking anything up), is “Wentworth Valley Campground” notable enough to have a wikipedia page? That is not really a question about a campground. It is a question about whether a model can look inward and estimate the density of its own knowledge. Every hallucinated citation I have ever been handed is a failure of exactly this skill. ...

July 10, 2026 · 8 min · Nathan Broadbent

You Muted AI in 2023. What Did You Miss?

Earlier today, Kent C. Dodds posted a thought on X: Imagine being someone who muted “AI” early on when some people thought it was an annoying “topic of the week” that would pass, but they forgot to unmute it. They must live in a completely different world 😅 He is right that they would. The thought stuck with me, because I could not immediately work out what I would tell that person if they asked. ...

July 10, 2026 · 19 min · Nathan Broadbent