The new agreement “includes changes to the exclusivity on new capacity, moving to a model where Microsoft has a right of first refusal (ROFR),” Microsoft says. “To further support OpenAI, Microsoft has approved OpenAI’s ability to build additional capacity, primarily for research and training of models.”

Microsoft has revised its agreement with OpenAI, allowing the AI company to partner with other cloud service providers (CSPs). However, Microsoft retains the Right of First Refusal (ROFR), giving it a priority to match any competing offers before OpenAI commits to other providers.

Alphabet Inc.’s Google is backing artificial intelligence developer Anthropic with a further $1 billion, building its stake in one of the most promising rivals to OpenAI.

Google is making a fresh investment of more than $1 billion into AI startup Anthropic, the Financial Times reported on Wednesday. This comes after Reuters and other media reported earlier in January that Anthropic was nearing a $2 billion fundraise in a round,