Jul 30, 2026

Open-source inference engine running Gemma 4 26B in about 2 GB of RAM on any M-series Mac

Why it matters: Top Show HN of the day. It attacks the memory wall of local LLMs, and the thread is mostly people weighing how real a 26B-class model on a stock laptop is

A six-hour run of Opus 5 on the long-horizon code-quality benchmark. Strict passes: 4 of 17 checkpoints

Why it matters: The pass rate matters less than the side effect it measured: Opus 5 wrote five times as many functions as Opus 4.8 on the same challenges

A proof of concept where instructions planted in a document get Copilot for Word to copy them into other documents

Why it matters: What drew the discussion: propagation works with no malware, just documents plus an AI assistant