<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:content="http://purl.org/rss/1.0/modules/content/"><channel><title>Explainer on Apoapsis Notebook</title><link>https://apoapsis-v2.pages.dev/categories/explainer/</link><description>Recent content in Explainer on Apoapsis Notebook</description><generator>Hugo</generator><language>en-us</language><lastBuildDate>Mon, 28 Sep 2026 06:28:35 +0000</lastBuildDate><atom:link href="https://apoapsis-v2.pages.dev/categories/explainer/index.xml" rel="self" type="application/rss+xml"/><item><title>GLM-5.3 Doesn't Exist: The Real GLM-4.5/4.6 vs GPT-5</title><link>https://apoapsis-v2.pages.dev/posts/how-does-glm-5-3-compare-side-by-side-with-the-current/</link><pubDate>Mon, 28 Sep 2026 06:28:35 +0000</pubDate><guid>https://apoapsis-v2.pages.dev/posts/how-does-glm-5-3-compare-side-by-side-with-the-current/</guid><description>You saw a post claiming GLM-5.3 beats GPT-5. You searched for the model card and found nothing. The version number is fabricated. But the question underneath it is real. Has the newest Chinese open-weight family actually caught up with the American frontier?</description></item><item><title>Meta's Muse Agent: What It Can Really Do</title><link>https://apoapsis-v2.pages.dev/posts/what-can-meta-s-new-muse-personal-ai-agent/</link><pubDate>Mon, 28 Sep 2026 05:48:57 +0000</pubDate><guid>https://apoapsis-v2.pages.dev/posts/what-can-meta-s-new-muse-personal-ai-agent/</guid><description>Meta is reportedly building a personal AI agent called Muse that acts on your behalf inside WhatsApp and Instagram. But there is no product page, no pricing, and no feature list. So what is actually known, and what is just rumor?</description></item><item><title>Muse: Where Your Private Data Actually Goes</title><link>https://apoapsis-v2.pages.dev/posts/is-it-safe-to-give-private-data-to/</link><pubDate>Mon, 28 Sep 2026 05:10:38 +0000</pubDate><guid>https://apoapsis-v2.pages.dev/posts/is-it-safe-to-give-private-data-to/</guid><description>You ask an assistant to summarize a private chat. The answer comes back in under a second. What you cannot see is where that input goes next, and whether any toggle in the app changes its path. For Meta&amp;rsquo;s Muse, the answer is structural.</description></item></channel></rss>