{"id":1639,"date":"2026-05-12T09:07:37","date_gmt":"2026-05-12T01:07:37","guid":{"rendered":"https:\/\/obagg.com\/index.php\/2026\/05\/12\/daybreak-is-openais-response-to-anthropics-claude-mythos\/"},"modified":"2026-05-12T09:07:37","modified_gmt":"2026-05-12T01:07:37","slug":"daybreak-is-openais-response-to-anthropics-claude-mythos","status":"publish","type":"post","link":"https:\/\/obagg.com\/index.php\/2026\/05\/12\/daybreak-is-openais-response-to-anthropics-claude-mythos\/","title":{"rendered":"Daybreak is OpenAI&#8217;s response to Anthropic&#8217;s Claude Mythos"},"content":{"rendered":"<p>OpenAI has launched a cybersecurity initiative called Daybreak, powered by GPT-5.5 and Codex Security.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.engadget.com\/img\/gallery\/daybreak-is-openais-response-to-anthropics-claude-mythos\/intro-1778547896.jpg\" \/><\/p><p>Please credit: <a href=\"https:\/\/obagg.com\">OBA Blog<\/a> &raquo; <a href=\"https:\/\/obagg.com\/index.php\/2026\/05\/12\/daybreak-is-openais-response-to-anthropics-claude-mythos\/\">Daybreak is OpenAI&#8217;s response to Anthropic&#8217;s Claude Mythos<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>OpenAI has launched a cybersecurity initiative called Daybreak, powered by GPT-5.5 and Codex Security. Please credit: OBA Blog &raquo; Daybreak is OpenAI&#8217;s response to Anthropic&#8217;s Claude Mythos<\/p>\n","protected":false},"author":1,"featured_media":1640,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1639","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-share"],"_links":{"self":[{"href":"https:\/\/obagg.com\/index.php\/wp-json\/wp\/v2\/posts\/1639","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/obagg.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/obagg.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/obagg.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/obagg.com\/index.php\/wp-json\/wp\/v2\/comments?post=1639"}],"version-history":[{"count":0,"href":"https:\/\/obagg.com\/index.php\/wp-json\/wp\/v2\/posts\/1639\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/obagg.com\/index.php\/wp-json\/wp\/v2\/media\/1640"}],"wp:attachment":[{"href":"https:\/\/obagg.com\/index.php\/wp-json\/wp\/v2\/media?parent=1639"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/obagg.com\/index.php\/wp-json\/wp\/v2\/categories?post=1639"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/obagg.com\/index.php\/wp-json\/wp\/v2\/tags?post=1639"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}