OpenAI has launched a more powerful version of its o1 “reasoning” AI model, o1-pro, in its developer API. According to OpenAI, o1-pro uses more computing than o1 to provide “consistently better responses.” Currently, it’s only available to select developers — those who’ve spent at least $5 on OpenAI API services — and it’s pricey. Very pricey. OpenAI is charging $150 per million tokens (~750,000 words) fed into the model and $600 per million tokens generated by the model. That’s twice the price...