<?xml version="1.0" encoding="UTF-8"?><urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" xmlns:news="http://www.google.com/schemas/sitemap-news/0.9"><url><loc>https://blog.bytebytego.com/p/how-chatgpt-optimizes-its-agent-loop</loc><news:news><news:publication><news:name>ByteByteGo Newsletter</news:name><news:language>en</news:language></news:publication><news:publication_date>2026-07-29T15:18:25+00:00</news:publication_date><news:title>How ChatGPT Optimizes its Agent Loop: Harness, API, and Inference</news:title></news:news></url><url><loc>https://blog.bytebytego.com/p/why-doordash-instacart-and-uber-eats</loc><news:news><news:publication><news:name>ByteByteGo Newsletter</news:name><news:language>en</news:language></news:publication><news:publication_date>2026-07-28T15:30:42+00:00</news:publication_date><news:title>Why DoorDash, Instacart, and Uber Eats Integrated LLMs Into Search Three Different Ways</news:title></news:news></url></urlset>