<?xml version="1.0" encoding="UTF-8"?><rss xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:atom="http://www.w3.org/2005/Atom" version="2.0"><channel><title><![CDATA[🧠 OpenAI rolls out GPT-5.5 in ChatGPT: GPT-5.5 hits ChatGPT and Codex, with GPT-5.3 now the default router.]]></title><description><![CDATA[<p>🧠 OpenAI rolls out GPT-5.5 in ChatGPT: GPT-5.5 hits ChatGPT and Codex, with GPT-5.3 now the default router. API access is still missing. 🧠 Anthropic hard retires Claude Haiku 3: Claude Haiku 3 now errors, so older integrations need a fast swap to Haiku 4.5. solomonneas.dev/intel</p><p><a href="https://infosec.exchange/tags/AI" rel="tag">#<span>AI</span></a> <a href="https://infosec.exchange/tags/LLM" rel="tag">#<span>LLM</span></a> <a href="https://infosec.exchange/tags/OpenAI" rel="tag">#<span>OpenAI</span></a> <a href="https://infosec.exchange/tags/Anthropic" rel="tag">#<span>Anthropic</span></a></p>]]></description><link>https://board.circlewithadot.net/topic/d59381c3-4aa5-4b56-9eb3-30b2f3ff2c87/openai-rolls-out-gpt-5.5-in-chatgpt-gpt-5.5-hits-chatgpt-and-codex-with-gpt-5.3-now-the-default-router.</link><generator>RSS for Node</generator><lastBuildDate>Fri, 15 May 2026 07:37:44 GMT</lastBuildDate><atom:link href="https://board.circlewithadot.net/topic/d59381c3-4aa5-4b56-9eb3-30b2f3ff2c87.rss" rel="self" type="application/rss+xml"/><pubDate>Sun, 26 Apr 2026 14:02:11 GMT</pubDate><ttl>60</ttl></channel></rss>