GPT-5.4 is also more reliable, producing 18% fewer errors and 33% fewer false claims than GPT-5.2, according to OpenAI.

OpenAI launches Codex for Windows, letting developers run multiple AI coding agents, automate testing tasks, and sync projects seamlessly across Mac and Windows.

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 ...

OpenAI has released its Codex app for Windows, now available for download in the Microsoft Store. The app supports agentic coding and allows running multiple AI agents in parallel.

Ready to start your vibe-coding adventure? A few weeks after its debut on Mac, the Windows version of OpenAI’s Codex app has finally arrived.

OpenAI teases “5.4” as reports point to a 1M+ token context window and “extreme reasoning,” amid scrutiny over its Pentagon deal.

The startup landed a deal with the Department of Defense hours after Anthropic was blacklisted by Defense Secretary Pete ...

Error logs and GitHub pull requests hint at GPT-5.4 quietly rolling out in Codex, signaling faster iteration cycles and continuous AI model deployment.

OpenAI Academy offers free workshops and livestreams in March and April 2026 to help learners gain practical AI skills, ...

OpenAI Group PBC today announced that it has raised $110 billion in funding at a pre-money valuation of $730 billion. Nvidia ...

OpenAI has now released the Codex software for Windows devices, after the release of a dedicated Codex program for macOS ...