<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>devtake.dev — #gpt-5-4</title><description>Articles tagged gpt-5-4 on devtake.dev.</description><link>https://devtake.dev/</link><language>en-us</language><item><title>OpenAI launches GPT-5.4-Cyber for defensive security, opens access to thousands</title><link>https://devtake.dev/article/openai-gpt54-cyber-security-model/</link><guid isPermaLink="true">https://devtake.dev/article/openai-gpt54-cyber-security-model/</guid><description>OpenAI&apos;s new cybersecurity-tuned model can reverse-engineer binaries and analyze malware. It&apos;s restricted to verified defenders through the Trusted Access program.</description><pubDate>Thu, 16 Apr 2026 08:00:00 GMT</pubDate><category>ai</category><category>openai</category><category>cybersecurity</category><category>gpt-5-4</category><category>claude-mythos</category><category>defensive-security</category><category>ai-security</category><author>dieter-morelli</author></item></channel></rss>