Engadget OpenAI unveiled Daybreak on May 11, 2026, a new cybersecurity service that leverages its latest AI models, including GPT‑5.5 and Codex Security, to automate vulnerability detection, patch generation and audit reporting. The initiative positions OpenAI against Anthropic’s Claude Mythos and comes with a roster of partners such as Cloudflare, Cisco, CrowdStrike, Palo Alto Networks, Oracle and Akamai.
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