Daybreak is OpenAI's response to Anthropic's Claude Mythos Engadget is a web magazine with obsessive daily coverage of everything new in gadgets and consumer electronics Von: staff@engadget.com (Mariella Moon) 12. Mai 2026 um 03:07 OpenAI has launched a cybersecurity initiative called Daybreak, powered by GPT-5.5 and Codex Security.