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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 amounts of animated geometry using tetrahedral cages (11:02) - Securing Services with Rootless Containers (12:06) - RTX 2080 Ti Memory Upgrade to 22 GB (13:18) - Outro Our position on open-weights modelshttps://www.anthropic.com/news/position-open-weights-modelshttps://news.ycombinator.com/item?id=49076057Benchmarking Opus 5 on SlopCodeBenchhttps://github.com/humanlayer/advanced-context-engineering-for-coding-agents/blob/main/benchmarking-opus-5-on-slop-code-bench.mdhttps://news.ycombinator.com/item?id=49076391Using an open model feels surprisingly goodhttps://matthewsaltz.com/blog/using-an-open-model-feels-surprisingly-good/https://news.ycombinator.com/item?id=49078583Paged Out #9 [pdf]https://pagedout.institute/download/PagedOut_009.pdfhttps://news.ycombinator.com/item?id=49070138Watching Go's new garbage collector move through the heaphttps://theconsensus.dev/p/2026/07/19/observing-gos-garbage-collector-old-and-new.htmlhttps://news.ycombinator.com/item?id=49045474A $500 RL fine-tune of a 9B open model beat frontier models on catalog reviewhttps://fermisense.com/when-machines-take-the-wheel/https://news.ycombinator.com/item?id=49078454Self-contained highly-portable Python distributionshttps://gregoryszorc.com/docs/python-build-standalone/main/https://news.ycombinator.com/item?id=49073942Ray tracing massive amounts of animated geometry using tetrahedral cageshttps://gpuopen.com/learn/ray-tracing-massive-amounts-animated-geometry/https://news.ycombinator.com/item?id=49021007Securing Services with Rootless Containershttps://blog.coderspirit.xyz/blog/2026/07/06/securing-services-with-rootless-containers/https://news.ycombinator.com/item?id=49021024RTX 2080 Ti Memory Upgrade to 22 GBhttps://gpusolutions.net/rbservices/graphics-card-upgrade/https://news.ycombinator.com/item?id=49041256 What is Hacker News Highlights? Daily overview of the Top 10 Hacker News posts. Post and comment summarization by AI.