OpenAI Launches GPT-5.5 Cyber AI: Specialized Cybersecurity Model

Summary

OpenAI CEO Sam Altman announced the GPT-5.5 Cyber AI model on May 1 with a public launch on May 5, 2026. The model is a specialized variant focused on cybersecurity analysis, threat detection, vulnerability identification, malware activity analysis, and software analysis without source code access. OpenAI positions it as competing directly with Anthropic's Claude Security offering (released to public beta the same week) for the enterprise security AI category. The release continues a notable pa