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.

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

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.

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.

OpenAI is likely just days away from the launch of GPT-5, the latest installment of the artificial intelligence technology that powered the

Despite the company's name, OpenAI hasn't dropped an open version of its AI models since GPT-2 in 2019. That changed on Tuesday, as CEO Sam Altman shared two new open-weights, reasoning AI models, named gpt-oss-120b (120 billion parameters) and gpt-oss-20b (20 billion parameters).

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.

The ChatGPT-maker reached a $300bn valuation in March 2025 during a $40bn funding round led by SoftBank Group.