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The previously sensible advice to never use ChatGPT for search needs to be rethought - GPT-5 in thinking mode is shockingly good at running searches now simonwillison.net/2025/Sep/6/r...

simonwillison.netGPT-5 Thinking in ChatGPT (aka Research Goblin) is shockingly good at search“Don’t use chatbots as search engines” was great advice for several years... until it wasn’t. I wrote about how good OpenAI’s o3 was at using its Bing-backed search tool back …

Stavros

@stavros.io

7 Sept 2025

Do you somehow prompt it to search, or does it search when it thinks it needs to?

Simon Willison

@simonwillison.net

It searches when it needs to - occasionally I will say "run a search" but mostly, I have found that to be unnecessary

7/9/25, 10:43 am0 reposts2 likes

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