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

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 ...

See how Microsoft Dragon Copilot unifies clinical intelligence, workflows, and partner AI to reduce burden and scale care. Learn more.

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

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

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