OpenAI announced that developers can now use ChatGPT o1-pro, its best and most expensive AI reasoning model yet.

OpenAI is launching GPT-4.5 today, its newest and largest AI language model. GPT-4.5 will be available as a research preview for ChatGPT Pro users to start. OpenAI is calling the release its “most ...

OpenAI has launched a more powerful version of its o1 "reasoning" AI model, o1-pro, in its developer API. It's incredibly ...

The company has just launched o1-pro, making it available through its new developer application programming interface called ...

OpenAI's 01 Pro, the most advanced and expensive AI model yet. Learn about its features, pricing, and who it's designed for.

making it twice as expensive as OpenAI's GPT-4.5 and ten times the cost of the standard o1 model. Despite its high price, OpenAI is confident that the model's improved performance will appeal to ...

How much does it cost to use OpenAI's ChatGPT? Do you even need a subscription? Our comprehensive article dives in.

OpenAI has launched a more powerful version of its o1 reasoning model: o1-pro. This version is now available via the ...

Chinese AI groups are rapidly closing the performance gap with established U.S. titans such as Nvidia (NVDA).Light Up your Portfolio with ...

OpenAI is launching GPT-4.5 today ... compared to previous reasoning releases, and its performance is below that of o1, o3-mini, and deep research on most preparedness evaluations.” ...

That's twice the price of OpenAI's GPT-4.5 for input and 10x the price of regular o1. OpenAI is betting that o1-pro's improved performance will convince developers to pay those princely sums.