Comparing GPT-5 and Opus 4.1 for Building a Chiptunes App
By
stopachka
Crackling crust, pillowy middle. The kind of bagel that earns a second cup of coffee.
Summary
The article compares the performance of GPT-5 and Opus 4.1 in building a full-stack chiptunes app, focusing on features like user authentication, song composition, sharing, and theme design. The author provides a detailed prompt and shares a video of the process.
Key quotes
· 3 pulledI've been seeing posts comparing GPT-5 and Sonnet, but thought comparing GPT-5 and Opus 4.1 would be more interesting!
Create a chiptunes app with features like log in with magic codes, song composition, sharing, and a cool theme, all under 1000 lines of code.
I recorded myself going through the process in this video.
You might also wanna read
NVIDIA Announces "Hack for Impact" London Event for Autonomous AI Agent Development
NVIDIA is hosting a "Hack for Impact" event in London, challenging participants to build autonomous agentic applications using open-source m
luma.com·6h ago
MerLean-Prover: A Recursive Agent Harness for Lean 4 Theorem Proving Outperforms Baselines
MerLean-Prover is an end-to-end Lean4 theorem prover that replaces 'sorry' declarations with kernel-checkable proofs using three agent types
arxiv.org·7h ago
Reflections on DwarfStar 4's rapid rise in local AI inference
The author reflects on the unexpected popularity of DwarfStar 4 (DS4), a local AI inference project. They attribute its success to the conve
antirez.com·1d agoReflections on DwarfStar 4's rapid rise in local AI inference
The author reflects on the unexpected popularity of DwarfStar 4 (DS4), a local AI inference project. They attribute its success to the conve
antirez.com·1d ago
Developer Builds Mac and iOS Dictation App with AI Assistance
A developer shares their experience building a Mac and iOS dictation app using Claude's assistance, despite initial skepticism about whether
news.ycombinator.com·1d ago
Building a Personal AI Agent with Markdown-Based Skills and Local Models
The article describes a personal AI agent built on Pi that manages the author's inbox, calendar, deal pipeline, blog publishing, and researc
tomtunguz.com·2d ago