7.28.26 | Our position on open-weights models, Benchmarking Opus 5 on SlopCodeBench, Using an open model feels surprisingly good

Hacker News Highlights · Jul 28, 2026 · 13m

This is a recap of the top 10 posts on Hacker News on Jul 28, 2026.

Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights

(00:00) - Intro

(00:17) - Our position on open-weights models

(01:50) - Benchmarking Opus 5 on SlopCodeBench

(03:07) - Using an open model feels surprisingly good

(04:21) - Paged Out #9 [pdf]

(05:56) - Watching Go's new garbage collector move through the heap

(06:54) - A $500 RL fine-tune of a 9B open model beat frontier models on catalog review

(08:26) - Self-contained highly-portable Python distributions

(09:40) - Ray tracing massive…