OpenAI is providing a more capable version of its GPT-5.5 model, known internally as "Spud," to vetted cybersecurity professionals. This specialized version is designed to assist defenders in identifying and exploiting software vulnerabilities, mirroring capabilities seen in Anthropic's Mythos Preview. The rollout aims to help secure critical infrastructure by enabling tasks like bug hunting and malware analysis, while still preventing malicious uses such as credential theft. AI
Summary written by gemini-2.5-flash-lite from 1 source. How we write summaries →
IMPACT Provides cybersecurity professionals with advanced AI tools to proactively identify and mitigate software vulnerabilities.
RANK_REASON This is a specialized release of an existing model for a specific professional use case, not a general public release or a new frontier model.