8+ hour, 28+ min ago  (953+ words) New tools, partnerships, and the full version of GPT5. 5 Cyber to move past vulnerability discovery and onto the acceleration of end-to-end patch automation. We're expanding Daybreak" to help democratize patching vulnerable software at machine speed. For example, we've applied our models…...

3+ week, 4+ day ago  (642+ words) 11 de mar'o de 2026 Faster potential build time for projects - from quarters to weeks Rakuten(abre em uma nova janela) is a global innovation company operating across e-commerce, fintech, and mobile communications, serving both consumers and merchants at massive scale. With…...

1+ mon, 3+ week ago  (507+ words) An advanced set of protections against unauthorized access to Chat GPT accounts, Codex, and the sensitive information they can contain. People are turning to AI for deeply personal questions and increasingly high-stakes work. Over time, a Chat GPT account can…...

7+ mon, 3+ week ago  (429+ words) gpt-oss-safeguard-120b and gpt-oss-safeguard-20b are two open-weight reasoning models post-trained from the gpt-oss models and trained to reason from a provided policy in order to label content under that policy. In this report, we describe gpt-oss-safeguard's capabilities and provide our baseline…...

3+ mon, 1+ week ago  (342+ words) Today we're introducing Codex Security, our application security agent. It builds deep context about your project to identify complex vulnerabilities that other agentic tools miss, surfacing higher-confidence findings with fixes that meaningfully improve the security of your system while sparing…...

3+ mon, 3+ week ago  (32+ words) Open AI Our latest report featuring case studies of how we're detecting and preventing malicious uses of AI. Read the full report here(opens in a new window)....

6+ mon, 19+ hour ago  (1050+ words) Automated red teaming'powered by reinforcement learning'helps us proactively discover and patch real-world agent exploits before they're weaponized in the wild. Agent mode in Chat GPT Atlas is one of the most general-purpose agentic features we've released to date. In this…...