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.

Developers rejoice—OpenAI has just released two new open-weight models. Unlike most of OpenAI’s models, these new products can be downloaded and used without needing to pay API fees to OpenAI. The ...