Models

GPT-5.5-Cyber

Model · 3 items since May 2026

Part ofOpenAIGPTGPT-5.5

Trends

Items

  1. Jun 22

    OpenAI expands Daybreak with GPT-5.5-Cyber

    The full GPT-5.5-Cyber model (85.6% on CyberGym versus 81.8% for GPT-5.5) and an updated Codex Security plugin shift defenders from finding vulnerabilities to generating patches, launched with a 28-vendor partner program and the Trail of Bits-founded Patch the Planet initiative.

  2. May 11

    OpenAI's Daybreak cybersecurity platform

    Daybreak combines GPT-5.5-Cyber and Codex Security into a continuous vulnerability detection and remediation pipeline across three access tiers, with partners including Cisco, CrowdStrike, Palo Alto Networks, Cloudflare, and Zscaler, positioned against Anthropic's Project Glasswing.

  3. May 7

    OpenAI's GPT-5.5-Cyber

    OpenAI scaled its Trusted Access for Cyber program to GPT-5.5 with a cybersecurity-specialized variant gated by identity verification, mirroring Anthropic's Project Glasswing model, and added a $10M Cybersecurity Grant Program in API credits for defensive research teams.