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GPT-5.5-Cyber

OpenAI | In Edition 33,

The call on this one

WATCHif you run red teaming

SOURCE OpenAI, Scaling Trusted Access for Cyber with GPT-5.5 and GPT-5.5-Cyber

GPT-5.5-Cyber is rolling out in limited preview to defenders responsible for securing critical infrastructure, with more permissive behavior for authorized red teaming, penetration testing, and controlled validation, while GPT-5.5 with Trusted Access for Cyber remains the recommended starting point for most security workflows.

Added to The Deploy Log , updated . Read Edition 33, the edition that carried it.

93 rows from OpenAI in The Deploy Log are dated on or before this one, this one included.

The same day from OpenAI: GPT-5.5 Instant (0 days apart). After it: Codex mobile app, 5 days later.

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