OpenAI has recently released their latest reasoning model, "o1-pro", in their developer APIs. It is estimated to be the most expensive AI model yet. OpenAI is charging $150 per million tokens (~750,000 words) fed into the model and $600 per million tokens generated by the model. Thatâs twice the price of OpenAIâs GPT-4.5 for input and 10x the price of regular o1. OpenAI is betting that o1-proâs improved performance will convince developers to pay those princely sums.
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