🟢 OpenAI 6d ago
OpenAI GPT-5.4-Cyber - Restricted Security Model
OpenAI launched GPT-5.4-Cyber, a fine-tuned version of GPT-5.4 with lowered guardrails for cybersecurity applications, restricted to authorized security researchers and government agencies due to weaponization concerns. Represents OpenAI's response to Anthropic's Claude Mythos Preview in the AI-assisted cybersecurity race.