“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.”

The o3-mini model can be used on the free tier of ChatGPT by selecting the "Reason" feature in ChatGPT, with rate limits similar to GPT-4o. Additionally, OpenAI has increased message limits for Plus and Teams users, while Pro users, at a subscription rate of $200 per month, enjoy unlimited access.

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

ChatGPT maker OpenAI is expected to air its first TV commercial during Sunday's Super Bowl, the Wall Street Journal reported on Wednesday, citing people familiar with the matter.

The TV spot marks the artificial-intelligence company’s biggest foray into consumer advertising to date.