{"id":1003019,"date":"2026-04-15T11:10:27","date_gmt":"2026-04-15T05:40:27","guid":{"rendered":"https:\/\/telecomlive.in\/web\/?p=1003019"},"modified":"2026-04-15T11:32:44","modified_gmt":"2026-04-15T06:02:44","slug":"openai-unveils-gpt-5-4-cyber-a-week-after-rivals-announcement-of-ai-model","status":"publish","type":"post","link":"https:\/\/telecomlive.in\/web\/2026\/04\/15\/openai-unveils-gpt-5-4-cyber-a-week-after-rivals-announcement-of-ai-model\/","title":{"rendered":"OpenAI unveils GPT-5.4-Cyber a week after rival&#8217;s announcement of AI model"},"content":{"rendered":"<p>OpenAI on Tuesday unveiled GPT-5.4-Cyber, a variant of its latest flagship model fine-tuned specifically for defensive cybersecurity work, following rival Anthropic&#8217;s announcement of frontier AI model Mythos. <\/p>\n<p>Mythos, announced on April 7, is \u200cbeing deployed \u2060as \u2060part of Anthropic&#8217;s &#8220;Project Glasswing&#8221;, a controlled initiative under which select organisations are permitted to use the unreleased Claude Mythos Preview model for defensive cybersecurity purposes. It has found &#8220;thousands&#8221; of major vulnerabilities in operating systems, web browsers and \u2060other software.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>OpenAI on Tuesday unveiled GPT-5.4-Cyber, a variant of its latest flagship model fine-tuned specifically for defensive cybersecurity work, following rival Anthropic&#8217;s announcement of frontier AI model Mythos. Mythos, announced on April 7, is \u200cbeing deployed \u2060as \u2060part of Anthropic&#8217;s &#8220;Project Glasswing&#8221;, a controlled initiative under which select organisations are permitted to use the unreleased Claude Mythos Preview model for defensive cybersecurity purposes. It has found &#8220;thousands&#8221; of major vulnerabilities in operating systems, web browsers and \u2060other software.<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[59,4,10],"tags":[],"class_list":["post-1003019","post","type-post","status-publish","format-standard","hentry","category-it-2-the-economic-times","category-newspapers","category-the-economic-times"],"acf":[],"_links":{"self":[{"href":"https:\/\/telecomlive.in\/web\/wp-json\/wp\/v2\/posts\/1003019","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/telecomlive.in\/web\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/telecomlive.in\/web\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/telecomlive.in\/web\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/telecomlive.in\/web\/wp-json\/wp\/v2\/comments?post=1003019"}],"version-history":[{"count":0,"href":"https:\/\/telecomlive.in\/web\/wp-json\/wp\/v2\/posts\/1003019\/revisions"}],"wp:attachment":[{"href":"https:\/\/telecomlive.in\/web\/wp-json\/wp\/v2\/media?parent=1003019"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/telecomlive.in\/web\/wp-json\/wp\/v2\/categories?post=1003019"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/telecomlive.in\/web\/wp-json\/wp\/v2\/tags?post=1003019"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}