<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>Muhammad Sohail — Writing</title><description>Notes on RAG, LLM infrastructure, and shipping AI systems.</description><link>https://callsohail.dev/</link><item><title>Hybrid search beat a bigger model</title><link>https://callsohail.dev/writing/hybrid-search-beat-a-bigger-model/</link><guid isPermaLink="true">https://callsohail.dev/writing/hybrid-search-beat-a-bigger-model/</guid><description>The complaints about wrong answers didn&apos;t stop when I upgraded the model. They stopped when I fixed retrieval.</description><pubDate>Wed, 20 May 2026 00:00:00 GMT</pubDate></item><item><title>Why I self-host the models</title><link>https://callsohail.dev/writing/why-i-self-host-the-models/</link><guid isPermaLink="true">https://callsohail.dev/writing/why-i-self-host-the-models/</guid><description>A note on data sovereignty, and why the boring infrastructure choice usually wins.</description><pubDate>Thu, 02 Apr 2026 00:00:00 GMT</pubDate></item></channel></rss>