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

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, ...

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 down the wrong rabbit hole. According to OpenAI, when using GPT-5.4 in ...

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 ...

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 billed as "our most capable and efficient frontier model for professional work." ...

OpenAI debuted its most capable model yet under pressure from a mass user exodus tied to the company's controversial Pentagon ...

OpenAI has launched GPT-5.4, its most capable frontier model for professional work, now available in ChatGPT as GPT-5.4 Thinking. This advanced AI integrates enhanced reasoning, coding, and task ...

In keeping with its recently accelerated release cadence, OpenAI has shipped GPT-5.4 (including GPT-5.4 Thinking and GPT-5.4 Pro). This update comes at a critical time, as recent events have led some ...

OpenAI's $110B funding includes AWS as the exclusive third-party distributor for the Frontier agent platform, introducing an architectural split: Azure retains stateless API exclusivity; AWS gains ...