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 ...
GPT-5.4 is also more reliable, producing 18% fewer errors and 33% fewer false claims than GPT-5.2, according to OpenAI.
OpenAI has released its Codex desktop app for Windows, adding a native sandbox and PowerShell support, enabling developers to run parallel coding agents.