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.

The U.K.'s competition authority says Microsoft's OpenAI partnership doesn't qualify for investigation under the country's anticompetitive practices law.