The big headlines on this release are efficiency, with OpenAI reporting that GPT-5.4 uses far fewer tokens (47% fewer on some tasks) than its predecessors).

While OpenAI is bringing GPT-5.4 to its API and its AI-powered coding tool, Codex, it’s rolling out its reasoning model, GPT-5.4 Thinking, to ChatGPT. OpenAI says GPT-5.4 can wr ...

OpenAI has rolled out GPT-5.4 (Thinking) and GPT-5.4 Pro across ChatGPT, its API and Codex, introducing improvements in ...

OpenAI launches GPT-5.4 across ChatGPT, API, and Codex with stronger reasoning, coding, and computer use capabilities.

OpenAI released GPT-5.4 today with native computer use, a 1M-token context window, and new professional benchmarks. Find what ...

The company bills API users based on the number of tokens that its LLMs process while generating a prompt response. A token is a unit of data that comprises a few letters or characters. OpenAI says ...

Arguably the biggest new feature of GPT-5.4 is that users will be able to interrupt the model mid-respose if it starts going ...

GPT-5.4 is OpenAI’s most capable model for professional tasks, featuring native computer-use capabilities and advanced agentic workflows to complete complex, multi-step goals accurately.

GPT-5.4 is rolling out starting today and will be available in ChatGPT, Codex, and OpenAI’s API. GPT-5.4 Thinking will be available for Plus, Teams, and Pro users, and GPT-5.4 Pro will be available ...

GPT-5.4 is out now on ChatGPT (where it goes by the name GPT-5.4 Thinking) as well as on the OpenAI API and OpenAI’s coding ...

OpenAI's new GPT-5.4 clobbers humans on pro-level work in tests - by 83% ...

The GPT 5.4 model brings reasoning, coding, and agentic workflows into a single professional-level AI. It's now available ...