“We’re introducing an updated [chain of thought] for o3-mini designed to make it easier for people to understand how the model thinks,” an OpenAI spokesperson told TechCruch via email. “With this update, you will be able to follow the model’s reasoning, giving you more clarity and confidence in its responses.”

Learn how ChatGPT's free genius mode works with o3-mini's enhanced reasoning capabilities for expert-level responses and complex problem-solving.

OpenAI's o3-mini model claims similar performance to o1 but at a fraction of the cost, so I put it to the test to find out