Developer tests Grok 4.5, GPT-5.5, and Claude building same apps, compares performance on Hacker News

A developer blog post evaluates Grok 4.5, GPT-5.5, and Claude by having each model build identical applications. The results are shared on Hacker News, providing a hands-on benchmark of the three leading AI models' coding abilities.

• We made Grok 4.5, GPT-5.5, and Claude build the same apps