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OpenAI rolls out GPT-55 Cyber but restricts access to only top defenders first
Technology
Published on 30 April 2026
It is not for everyone at first
OpenAI is starting a limited rollout of its cybersecurity testing tool, GPT-5.5 Cyber, initially only for “critical cyber defenders.” The move comes as the company faces scrutiny over how tightly it controls access to advanced AI capabilities. The initial restriction suggests a cautious, gatekept approach while OpenAI gathers feedback from specialized security teams.
- OpenAI will roll out GPT-5.5 Cyber in phases
- Initial access is limited to “critical cyber defenders”
- The tool is designed for cybersecurity testing
- Control of access remains a central strategy
Read the full story at TechCrunch
This summarization was done by Beige for a story published on 
TechCrunch