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OpenAI expands Trusted Access for Cyber program with new GPT 5.4 Cyber model

·Source: CyberScoop

Updated:

Executive Summary

A new cybersecurity-focused variant of ChatGPT and an expanded access program put OpenAI in direct competition with Anthropic's Project Glasswing — and raises fresh questions about who gets to wield the most powerful security AI. The post OpenAI expands Trusted Access for Cyber program with new GPT 5.4 Cyber model appeared first on CyberScoop .

Analysis

A new cybersecurity-focused variant of ChatGPT and an expanded access program put OpenAI in direct competition with Anthropic's Project Glasswing — and raises fresh questions about who gets to wield the most powerful security AI. The post OpenAI expands Trusted Access for Cyber program with new GPT 5.4 Cyber model appeared first on CyberScoop .
Source Attribution

Originally published by CyberScoop on Apr 15, 2026.

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