The capabilities of OpenAI's new GPT-01 language model. The podcast hosts explore the model's advanced reasoning abilities, comparing its performance on various tasks, including medical diagnosis, coding, and math problems, to that of previous models and human experts. They are particularly impressed by GPT-01's ability to provide a chain of reasoning for its answers, indicating a significant leap in AI's capacity for logical thought. However, the hosts acknowledge that GPT-01 is still under development and has limitations, such as a tendency to make minor errors in complex scenarios and a lack of transparency in its internal workings. The podcast concludes with a discussion about the potential of GPT-01 and other similar models to revolutionize healthcare and other industries, but cautions against relying on them for critical decision-making until their reliability and accuracy are further improved.