For the first time in roughly five years, OpenAI is gearing up to release an AI system that's truly "open," meaning it'll be available for download at no cost and not gated behind an API ...

To address these hurdles, OpenAI is introducing several new offerings: Responses API, built-in tools for web and file search, a computer use tool and the open-source Agents SDK.

OpenAI will let other apps deploy its computer-operating AI OpenAI’s new Responses API comes with web search, the ability to look through files, and computer use out of the box.

The release of OpenAI's first open model in years will be delayed until later this summer, CEO Sam Altman announced in a post on X on Tuesday. Altman said the open model would be released sometime ...

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

OpenAI was targeting an early summer release date for its open model, which is slated to have similar "reasoning" capabilities to OpenAI's o-series of models.

The o1-pro API costs $150 for 1 million input tokens and $600 for 1 million output tokens, much more than GPT-4.5.

Open-weight models like this new one from OpenAI can appeal to organizations with highly-sensitive data. Here's what that all means.

OpenAI is reportedly planning for its forthcoming 'open' AI reasoning model to 'hand off' to the company's models in the cloud for complex queries.