<ul data-eligibleForWebStory="true">OpenAI CEO Sam Altman has confirmed talks with Microsoft CEO Satya Nadella regarding their future partnership.Reports suggest tensions have risen between OpenAI and Microsoft as they discuss revising the terms of Microsoft's investment in the AI firm.Signs of tension include discussions of antitrust measures by OpenAI executives and Microsoft hosting a rival AI model to OpenAI's ChatGPT.Both companies are negotiating changes to their partnership, including a potential IPO for OpenAI and revisions to their contract extending to 2030.