OpenAI said it would start showing ads in ChatGPT to some U.S. users, ramping up efforts to generate revenue from the AI chatbot to fund the high costs of developing the technology. The ads will be tested with users on the company's free tier and the lower-priced Go plan that it is now expanding globally, OpenAI said ‍on Friday. They will show up in the coming weeks and will be separate from the answers generated by ChatGPT. Users on the more expensive Plus, Pro, Business and Enterprise tiers will not have ads. OpenAI also said that advertising would not influence ChatGPT's outputs and that user conversations would not be shared with marketers. The move marks a major departure for ‍the company that had so far relied on subscriptions. It shows the pressure OpenAI faces ‍to increase revenue as it spends heavily on data centers and prepares for a widely anticipated ‌initial public offering. The money-losing startup plans to spend more than $1 trillion on artificial intelligence infrastructure by ‍2030, but has not given details on how it plans to fund it. Analysts said that ads co