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 ...

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 ...

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 has released its Codex desktop app for Windows, adding a native sandbox and PowerShell support, enabling developers to ...

Earlier this week, OpenAI released GPT-5.3 Instant, promising to make ChatGPT less cringe and more natural when using its ...

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

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

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

OpenAI marked the grand opening its new office in downtown Bellevue, Wash., its largest outside of San Francisco, with room to grow to 1,400 employees.

OpenAI has launched the Codex app for Windows, bringing its AI-powered coding assistant to developers with native sandboxing, multi-agent workflows.

ChatGPT is getting another upgrade, and this time it’s moving up to GPT 5.4, just days after the release of GPT 5.3 Instant. OpenAI says this new release brings together its “ ...