ToolsThe story, in brief
Scaling Trusted Access for Cyber with GPT-5.5 and GPT-5.5-Cyber
OpenAI just launched GPT-5.5-Cyber. A model built for one job: helping defenders find zero-days before attackers do.
The KeyNews take
Why it matters
OpenAI is shipping specialized model variants through gated access programs, signaling a shift toward vertical AI products for high-stakes domains. This moves beyond general-purpose models into regulated, mission-critical infrastructure defense.
The key facts
5 to knowGPT-5.5 and GPT-5.5-Cyber launched with Trusted Access for Cyber program
Gated access restricted to verified cyber defenders
Purpose: accelerate vulnerability research and critical infrastructure protection
Indicates OpenAI's strategy to create domain-specialized variants of flagship models
Addresses regulatory/compliance need for auditable AI in sensitive sectors
Go to the source
OpenAI Blogopenai.com
Publisher excerpt: OpenAI expands Trusted Access for Cyber with GPT-5.5 and GPT-5.5-Cyber, helping verified defenders accelerate vulnerability research and protect critical infrastructure.