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by sheepscreek 17 days ago
I’ve had great luck building SwiftUI apps with GPT-5.5 (now GPT-5.6 Sol), Opus 4.8 and Fable 5. I’m just offering another data point, not suggesting on the effectiveness of DSLs for this.

One line of thinking can be that frontier models are already powerful enough to brute force through it, but this might be a stronger indicator for success for smaller models.
1 comments
rudedogg 17 days ago
No argument that it works, it definitely does. I just think the LLMs have a hard time with tweaks/modifications of any kind, more so than what I see even in a custom GUI toolkit I’ve built that it has zero training data on.

Asking for simple changes to SwiftUI interfaces I’ve one-shot is always a frustrating experience for me

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Terretta 17 days ago
> simple changes to SwiftUI interfaces I’ve one-shot is always a frustrating experience for me

1) Have you exported Apple docs from Xcode and provided those to your LLM and told your CLAUDE.md to read them as applies?

2) Have you added https://github.com/dpearson2699/swift-ios-skills to your agent?

I'd also recommend Xcode 27 beta unless you teach your agent the Xcode MCP. Xcode 27 beta works on MacOS 26.x.

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