OpenAI has just rolled out GPT-5.5-Cyber, bringing a new “frontier cybersecurity model” to critical cyber defenders. Early reactions focus on trusted access, benchmarks, and whether controls can prevent misuse by attackers.
Sam Altman posted on X that OpenAI is beginning a rollout of “GPT-5.5-Cyber,” which he described as a “frontier cybersecurity model,” to “critical cyber defenders” over the next few days. He added that the company will work with “the entire ecosystem and the government” to figure out “trusted access for cyber,” with the goal of helping secure “companies/infrastructure.”
Source: Sam Altman on X
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