OpenAI has released a more powerful version of its o1 "reasoning" AI model, o1-pro, in its developer API.
According to OpenAI, o1-pro uses more computation than o1 to provide “consistently better feedback.” It’s currently only available to select developers—those who have spent at least $5 on OpenAI’s API services—and is expensive.
OpenAI is charging $150 for every 1 million tokens (~750,000 words) fed into the model and $600 for every 1 million tokens generated by the model. That's double the price of OpenAI's GPT-4.5 for input and 10x the price of a regular o1 .
OpenAI is betting that the o1-pro's improved performance will convince developers to pay those big bucks.
“O1-pro in the API is a version of o1 that uses more computation to think harder and provide even better answers to the hardest problems,” an OpenAI spokesperson told TechCrunch . “After receiving many requests from the developer community, we are excited to bring it to the API to provide even more reliable responses.”
However, initial impressions of o1-pro, which has been available on OpenAI's AI-powered chatbot platform ChatGPT for ChatGPT Pro subscribers since December, have been less than positive. Users have found the model struggling with Sudoku puzzles and tripping up on simple illusion tricks.
Furthermore, some internal OpenAI benchmarks from late last year showed that o1-pro only performed slightly better than the standard o1 on coding and math problems. However, the benchmarks found that it answered those problems more reliably.
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