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).

GPT-5.4 is billed as "our most capable and efficient frontier model for professional work." ...

OpenAI has released GPT-5.4, an AI model that it says is its most advanced and thoughtful AI yet. In a press release, OpenAI said that GPT-5.4 is the company’s “most capable and efficient frontier ...

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 ...

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 introduced GPT-5.4, the latest upgrade powering ChatGPT with a new “Thinking Mode,” better reasoning, and integrations with Microsoft Excel and Google Sheets. The update aims to improve ...

According to OpenAI, GPT-5.4 is the first general-use model the company has released with native computer-use capabilities, meaning that it’s able to autonomously work across di ...

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 ...

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

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

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 ...