Jan 28 (Reuters) - Nvidia, Amazon, and Microsoft are in talks to invest up to $60 billion in ​OpenAI, The Information reported on Wednesday. Nvidia, an existing ‌investor whose chips power OpenAI's AI models, is in talks to ‌invest up to $30 billion, The Information said, citing a person with knowledge of the situation. Microsoft, a longstanding backer, is in talks to invest less than $10 billion, the report ⁠said. Nvidia, Amazon, Microsoft and OpenAI did not ‌immediately respond to Reuters' requests for comment outside regular business hours. This follows reports from earlier this week that said that ‍SoftBank Group is ⁠in talks to invest as much as an additional $30 billion in OpenAI.