Amazon and Microsoft's investment in artificial intelligence startups will be subject to deeper scrutiny by UK antitrust regulatorsTreblehookIt shows once again how global regulators are trying to cope with the impact of global technology giants on this market.

The UK Competition and Market Authority (CMA) said on Wednesday that it was seeking advice from market participantsTreblehookTo determine whether the $4 billion partnership between Amazon and artificial intelligence company Anthropic threatens British competition.

CMA also said it was considering Microsoft's partnership with Mistral and Inflection AI.

The agency quickly took the move after discovering that the model in which large technology companies invest in artificial intelligence start-ups could allow them to influence the market and raise competition concerns. CMA said it had found an "interconnected network" of collaboration and investment in artificial intelligence.

"We still believe that common business practices such as hiring talent or making partial investments in artificial intelligence start-ups will promote competition, which is different from mergers," a Microsoft spokesman said.

"CMA has conducted an unprecedented evaluation of this kind of cooperation," Amazon said in a statement. "our partnership with Anthropic includes limited investment, does not give Amazon board or observer seats, and continues to allow Anthropic to run its model on multiple cloud providers."

Mistral said it would work closely with CMA to "ensure that our long-term independence and market access are maintained."

"We are an independent company and our strategic partnership or investor relationship does not undermine the independence of our corporate governance or our freedom to cooperate with others," an Anthropic spokesman said.

Inflection didn't immediately respond to a request for comment.