According to an OpenAI spokesperson, o3-pro is a version of o3 that has been “designed to think longer and provide the most reliable responses.” OpenAI’s o-line of AI models

OpenAI this week announced an improved version of its o3 generative AI reasoning model, saying it performed better on benchmarks and is designed to spend more time thinking on difficult problems. The new model,

OpenAI is keeping up its rapid-fire pace of new AI releases. The company introduced the o3 and o4-mini models to its ChatGPT platform in April. At the time, the business promised that a pro model of the o3 was on the way, and that version became available today.