OpenAI00:00Feature UpdatesOfficial Blog
OpenAI releases GPT‑5.4 for pro workflows
Handle longer, tool-heavy tasks with fewer back-and-forth turns.
Key Points
- 1Available in ChatGPT, API, and Codex
- 2GPT‑5.4 Pro targets maximum performance
- 3Up to 1M-token context window
- 4Stronger agent workflows incl. computer use
OpenAI launched GPT‑5.4 and GPT‑5.4 Pro across ChatGPT, the API, and Codex. It improves reasoning, coding, and tool use, making longer workflows easier to run end-to-end. This expands what you can safely delegate for research and operations.