we'd like to help companies secure themselves and we think it's important to start work on this quickly (opens in new tab)

we'd like to help companies secure themselves and we think it's important to start work on this quickly fouad (@fouadmatin) Today, we're rolling out GPT‑5.5‑Cyber in limited preview to defenders responsible for securing critical infrastructure. GPT-5.5 with Trusted Access for Cyber (TAC) is still the best option for developers to find and patch vulnerabilities in their code. It's a very good model. —