GPT‑5.4 aims to handle real professional work as OpenAI expands agent-style AI
OpenAI has released GPT‑5.4, a new AI model designed for professional tasks such as coding, document creation, spreadsheet analysis, and multi‑step workflows. The company positions the model as its most capable system for knowledge work and software development so far. The model is available across ChatGPT, the OpenAI API, and the company’s coding tool Codex. …