After 14 months, the U.K.’s Competition and Markets Authority concluded the Microsoft-OpenAI deal does not warrant a full investigation under U.K. merger rules.

Britain dropped its probe into Microsoft's partnership with ChatGPT maker OpenAI on Wednesday, saying the software giant did not have the level of control over the AI company that would warrant further investigation.

OpenAI partnership healthy. The CMA said yesterday: “The CMA has decided that Microsoft’s partnership with OpenAI does not qualify for investigation und