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

OpenAI says it has tweaked ChatGPT to ensure the model responds appropriately when a user shows distress.

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.

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).

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.