GPT-5.4 is also more reliable, producing 18% fewer errors and 33% fewer false claims than GPT-5.2, according to OpenAI.
OpenAI today released the Codex app for Windows, powered by OpenAI’s frontier coding models, and it’s now the only coding agent with a first-class Windows experience.
In a post on X (formerly known as Twitter), the AI giant announced that the Codex app is now available on Windows, adding, “Get the full Codex app experience on Windows with a native agent sandbox and ...