OpenAI is launching an open source tool called Codex CLI, which brings the company's AI models to local terminal software.

OpenAI has released two AI “reasoning” models that it says are its most capable yet as well as an open-source AI agent that ...

The ChatGPT maker is trying to balance closed models and open-source efforts, with plans for its first open model since 2019, in a strategic pivot as rivals close in, and enterprise demand shifts.

OpenAI launches groundbreaking o3 and o4-mini AI models that can manipulate and reason with images, representing a major advance in visual problem-solving and tool-using artificial intelligence.

OpenAI CEO Sam Altman confirmed it plans to release a powerful open source model that he says will be better than any ...

OpenAI is releasing two new AI reasoning models today: o3, which the company calls its “most powerful reasoning model,” and ...

OpenAI touts o3 as a smart AI model with the ability to reason (meaning it can recursively check its answers before giving ...

OpenAI now has its own reasons for releasing an open-weight model. Eighteen months ago, OpenAI was the undisputed champion of ...

In a new countersuit, OpenAI alleges that Elon Musk has been caught in a web of lies, accusing him of a pattern of harassment ...

OpenAI is suing Elon Musk for unfair competition and interfering with its business relationships with investors and customers ...

On Wednesday, Google announced via an X post that it will support Anthropic's Model Context Protocol (MCP). This protocol ...

OpenAI says it will release an open-source model–but why now? OpenAI CEO Sam Altman said Monday that his company intends to release a “powerful new open-weight language model with reasoning ...