<?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>OpenAI on WithinTrend — Trending Topics &amp; Guides</title><link>https://withintrend.org/tags/openai/</link><description>Recent content in OpenAI on WithinTrend — Trending Topics &amp; Guides</description><generator>Hugo -- 0.146.0</generator><language>en-us</language><lastBuildDate>Thu, 23 Apr 2026 18:00:00 +0900</lastBuildDate><atom:link href="https://withintrend.org/tags/openai/index.xml" rel="self" type="application/rss+xml"/><item><title>AI News This Week: Claude Opus 4.7, Grok 4.3, and the Cyber AI Arms Race (April 17–23, 2026)</title><link>https://withintrend.org/posts/2026-04-23-ai-news-weekly-claude-opus-4-7-grok-4-3/</link><pubDate>Thu, 23 Apr 2026 18:00:00 +0900</pubDate><guid>https://withintrend.org/posts/2026-04-23-ai-news-weekly-claude-opus-4-7-grok-4-3/</guid><description>Your weekly AI digest: Anthropic ships Opus 4.7, xAI drops Grok 4.3 Beta behind a $300 paywall, and OpenAI, Anthropic, and Google pivot into cybersecurity agents.</description></item></channel></rss>