The Petersburg Post

Wednesday, Apr 15th, 2026 - OpenAI unveiled Tuesday its answer to artificial intelligence rival Anthropic's much-touted private release of a cybersecurity model by announcing the broader availability of GPT‑5.4‑Cyber. In a pointed announcement , OpenAI said its intent is to make tools that can identify vulnerabilities "as widely available as possible." Internal safeguards, know-your-customer verification and "trust signals" will ...