Simon Willison’s Weblog

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Friday, 21st August 2026

After I released version 1.0, I figured I would have to do the rotations myself. So I sat down with ChatGPT and I didn’t get it to write the code, but I got it to educate me. With a patient, interactive tutor, I was able to finally do what I hadn’t by reading books and asking mathematician friends – I learnt how to use quaternions just enough to make the app work.

So learning doesn’t stop just because I outsource a bunch of thinking to AI. It pushes me to learn more. I like that as an outcome.

Matt Webb, Galactic Compass 2: now with new augmented reality mode

# 3:06 pm / education, matt-webb, ai, generative-ai, chatgpt, llms

Stop Making TUIs. Thomas Ptacek advocates for building real native user interfaces for even the smallest of personal tools, because coding agents have reduced the cost of getting a usable-enough GUI up and running to almost nothing.

I wrote about my vibe-coded bandwidth and GPU monitoring macOS task bar apps back in March, and I'm still using both of those on a daily basis.

I'm not habitually knocking out real UIs for my other projects yet, but I'm running out of excuses!

Thomas:

If you haven’t tried your hand at turning one of your 500 throwaway CLIs into a native app, you’re doing yourself a disservice. Go build a native UI. It’ll probably change the way you think.

# 4:07 pm / thomas-ptacek, ai, generative-ai, llms, vibe-coding, coding-agents

Thursday, 20th August 2026

2026 » August

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