Vibe coding SwiftUI apps is a lot of fun
BlogSimon WillisonMar 27, 2026
AI Summary
Simon vibe codes macOS apps with Claude Opus 4.6 and GPT-5.4 — a full SwiftUI app fits in a single text file, no Xcode required. He builds Bandwidther (network monitor) and Gpuer (GPU monitor) as menu bar tools in one sitting.
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Sponsored by: Honeycomb — AI agents behave unpredictably. Get the context you need to debug what actually happened. Read the blog 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…
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