Simon Willison1d ago
I've been vibe coding SwiftUI menu bar apps for my new Mac, turns out Claude Opus 4.6 and GPT-5.4 are both competent at Swift programming, no need to even open Xcode! https://simonwillison.net/2026/Mar/27/vibe-coding-swiftui/
Vibe coding SwiftUI apps is a lot of fun

I have a new laptop—a 128GB M5 MacBook Pro, which early impressions show to be very capable for running good local LLMs. I got frustrated with Activity Monitor and decided …

Simon Willison’s Weblog
Show threadHolger Krupp
@simon I’ve been vive coding in the last days and can only agree. I was able to have the LLM to optimize the performance of my apps, add an additional watch companion app and solve other bugs.
Mar 27 at 9:13pmIceCubesApp