OpenAI has launched GPT-5.6-Cyber, a specialized AI model that completes 95% of advanced cybersecurity tasks including zero-day discovery and exploit chain development—a dramatic leap from the 1.5% completion rate of its predecessor GPT-5.6 Sol. Built on OpenAI's most advanced general model, GPT-5.6-Cyber is fine-tuned specifically for authorized defenders to perform vulnerability research and penetration testing that general-purpose models often refuse due to safety...