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).

OpenAI has released the GPT-5.4 artificial intelligence model, marking the third major update to its GPT-5 foundational series. The new large language model brings improvements across parameters and ...

OpenAI rolls out GPT-5.3 Instant to ChatGPT, aiming for smoother conversations, reduced refusals, better web-sourced answers, ...

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 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 ...

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

OpenAI has launched GPT-5.4, touted as its most capable model, tailored for developers and professionals engaging in complex ...

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 ...

OpenAI launches GPT 5.4 with better reasoning, coding and professional task support. All you need to know about GPT 5.4.

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