Opus 4.6, Sonnet 4.6, and other large language models (LLMs) to help me construct a nuclear weapon. All of them said no. Let’s be clear, my lack of knowledge is not the real barrier to constructing ...
OpenAI launches GPT-5.4, calling it its most capable and efficient AI model yet, with AI agents, computer control, improved reasoning, and a 1M-token context.