In a major shift, the company is “open sourcing” two A.I. systems, freely sharing the technology with outside researchers and businesses.

OpenAI is providing access to its ChatGPT product to US federal agencies at a nominal cost of $1 a year as part of a push to get its AI chatbot more widely adopted.

OpenAI says ChatGPT isn’t designed to keep you chatting anymore — it’s now focused on helping you finish tasks faster and use it only when needed.

The engine behind ChatGPT has long been expected to get a revamp. Close followers of OpenAI's model releases are probably tired of hearing about GPT-5, the next big step in the company's line of flagship large language models. It's been expected seemingly all year. But the hints are getting very strong.

OpenAI’s new open-weight models are gpt-oss-120b and gpt-oss-20b. The smaller model, gpt-oss-20b, can be run on a consumer laptop or powerful phone.

ChatGPT maker OpenAI is in early-stage discussions about a stock sale that would allow employees to cash out and could value the company at about $500 billion, a source familiar with the matter said.

OpenAI is in early talks to sell employee shares at a $500 billion valuation, Axios' Dan Primack reports. Why it matters: Amid calls of a market bubble, the lofty valuation provides justification for sky-high AI stock prices.

The company unveiled two new open-weight language models, gpt-oss-120b and gpt-oss-20b, marking its first public release of freely available AI model weights since GPT-2 in 2019, long before the AI hype took over the tech world.

OpenAI just dropped two new open-weights models. Here's why that isn't the same as being fully open. Despite the company's name, OpenAI hasn't dropped an open version of its AI models since GPT-2 in 2019.