OpenAI Launches Faster GPT-5.4 Mini

OpenAI rolls out GPT-5.4 Mini, a model over 2x faster than GPT-5 Mini with near full GPT-5.4 performance on coding and computer use benchmarks. It features a 400k context window and excels in tool calling and real-time image reasoning. GPT-5.4 Nano joins as the smallest, cheapest variant for classification and lightweight tasks. Available now in API, Codex, and ChatGPT for Free/Go users via Thinking mode. Meanwhile, Anthropic's legal fight with the US government intensifies over AI regulations. Read more about this...