Ben Darfler on Mythryl: “I loved o3 for web research. Recently I've been using Perplexity…”

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 …

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