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OpenAI rolls out GPT-5.4-Cyber, a fine-tuned GPT-5.4 variant for defensive cybersecurity use cases, to some participants of its Trusted Access for Cyber program (Rachel Metz/Bloomberg)

Techmeme / 14 April 2026 / 2h ago

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Rachel Metz / Bloomberg : OpenAI rolls out GPT-5.4-Cyber, a fine-tuned GPT-5.4 variant for defensive cybersecurity use cases, to some participants of its Trusted Access for Cyber program — OpenAI is letting a select group of users access a new artificial intelligence model that's meant to be more adept …

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OpenAI rolls out GPT-5.4-Cyber, a fine-tuned GPT-5.4 variant for defensive cybersecurity use cases, to some participants of its Trusted Access for Cyber program (Rachel Metz/Bloomberg)

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