For the first time in more than five years, OpenAI is launching a new open language model that appears to be state-of-the-art ...

OpenAI has released gpt-oss, its first open-weight models since 2019. The move aims to counter rivals, re-engage the ...

OpenAI lost access to the Claude API this week after Anthropic claimed the company was violating its terms of service.

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

On July 17, 2025, OpenAI introduced ChatGPT agent, marking a significant evolution in AI assistance technology. This feature ...

Set your OpenAI API key to the key you obtained in the step above, and copy-paste the code below into the notebook. Run the code by clicking the play triangle icon at the top of the notebook.

OpenAI now includes tracing and eval tools with the API stack to help teams define what success looks like and track how agents perform ...

GPT-5 had already been spotted in the wild before Altman’s appearance on This Past Weekend, fueling speculation that the next ...