OpenAI has announced the release of GPT-5.5, the latest upgrade to the company's family of models powering its ChatGPT and Codex apps. OpenAI describes GPT-5.5 as better at multi-step work, claiming it can plan,

So when it comes to models that the general public can access, GPT-5.5 has retaken the crown for OpenAI, achieving the state-of-the-art across 14 benchmarks.

OpenAI will initially release its new GPT-5.5 Cyber model only to 'critical cyber defenders,' despite CEO Sam Altman previously criticizing Anthropic for similar restrictions on its Mythos tool. The decision aims to prevent misuse of the AI’s offensive ...

OpenAI will begin rolling out it cybersecurity testing tool, GPT-5.5 Cyber only "to critical cyber defenders" at first.

The announcement of GPT-5.5-Cyber follows Anthropic’s debut of its own Mythos AI, which the company said has already uncovered thousands of cyber vulnerabilities.

The ChatGPT maker on Thursday unveiled GPT 5.5, a new model that it says is better at aiding scientists, streamlining software development and carrying out more complex tasks.

OpenAI says its latest model offers increased capabilities across a broad variety of categories.

OpenAI has redesigned the ChatGPT interface for Plus, Pro, and Business users, placing model selection directly into the prompt box for faster access. The update landed shortly after CEO Sam Altman made a playful reference to GPT-6 during a recent Codex ...