OpenAI launches o3-pro AI model, offering increased reliability and tool use for enterprises — while sacrificing speed

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Just hours after announcing a big price cut for its o3 reasoning model, OpenAI made o3-pro, an even more powerful version, available to developers. 

o3-pro is “designed to think longer and provide the most reliable responses,” and has access to many more software tool integrations than its predecessor, making it potentially appealing to enterprises and developers searching for high levels of detail and accuracy.

However, this model will also be slower than what many developers are accustomed to, having access to computer tools that OpenAI claims make the model more accurate. 

“Because 03-pro has access to tools, responses typically take longer than o1-pro to complete. We recommend using it for challenging questions where reliability matters more than speed, and waiting a ...