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YesClaude · 7 Jan 2026

I easily hit >10x productivity with Sonnet 4.5 and Opus

nphardon on Hacker News

>10x productivity

In the thread “Opus 4.5 is not the normal AI agent experience that I have had thus far”

Helped: Using Sonnet 4.5 for SwiftUI and Opus for C/math work.

… Cant imagine coding without it now, and if you look at my comments from three months ago, you'll see I'm eating crow now. I easily hit >10x productivity with Sonnet 4.5 and Opus. I use Opus for my industry C and math work and Sonnet 4.5 for my swiftui side project. …