GPT-5 was originally expected to happen in the early part of the year, but Altman said in April that it would be delayed a ...

The two new models from OpenAI are available under the Apache 2.0 license, a popular choice for open-weight models. With ...

Sam Altman said that OpenAI's new GPT-oss, comprising a 120b and 20b version, is the "best and most usable open model in the ...

OpenAI released its first open weights language models since GPT-2 on Tuesday with the debut of GPT-OSS.

OpenAI has been at the forefront of the AI race since its initial launch of ChatGPT in 2022, consistently releasing new ...

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

When ChatGPT first rose to popularity in November 2022, it was running on GPT-3.5. OpenAI then released GPT-4 in March 2023, ...

PT-OSS is OpenAI’s first open-weight model in six years. OpenAI is releasing a new open-weight model dubbed GPT-OSS that can be downloaded for free, be customized, and even run on a laptop.

And while these two models don't represent the push into the era of GPT-5, OpenAI chief Sam Altman has teased that even more announcements are on the horizon, so it's likely that the next-generation ...

Since the release of GPT-2, OpenAI has steadily shifted toward a more closed and proprietary approach to its LLM development — until now. The recent release of open-weight models marks a notable ...

For the first time in five years, OpenAI has released two new free and open-source AI models that are lightweight and ...

OpenAI and NVIDIA launch open-weight AI models optimized for reasoning, available to developers worldwide at full scale.