Under the new deal, Google Cloud will provide additional computing capacity to help OpenAI train and run its AI models. For OpenAI, the partnership addresses growing demands for computing power as the company's annual revenue reached $10 billion as of June, according to sources familiar with the matter who spoke to Reuters.

OpenAI will access Google Cloud's infrastructure as the AI leader looks for ways to scale its models faster and more reliably.

OpenAI partners with Google Cloud despite AI rivalry, ending Microsoft exclusivity. Stock markets react as computing demands reshape tech alliances.