GPT-5.5-Cyber

Every AIbrief event involving GPT-5.5-Cyber, in order.

1. June 22, 2026 · Safety · 1 source

   OpenAI unveils GPT-5.5-Cyber update and launches Patch the Planet bug-fixing initiative

   Wired reports that OpenAI has introduced an updated cyber-focused model, GPT-5.5-Cyber, and a related initiative called Patch the Planet aimed at helping fix bugs in open-source software. The announcement comes amid heightened attention to the cybersecurity capabilities and risks of advanced AI systems, and is framed in part against Anthropic's cyber-oriented Mythos offering.