Microsoft is OpenAI's largest investor, with a 49% stake, translating to $14 billion. As part of its complicated partnership with the ChatGPT maker, Microsoft was once the exclusive cloud computing partner for OpenAI. However, OpenAI's $500 billion investment in computing infrastructure changes its relationship with Microsoft.

Microsoft will no longer be the exclusive provider of new cloud computing capacity to OpenAI — a new twist in their relationship that clears the way for OpenAI to work with Oracle and others on the $500 billion Stargate AI project announced by the companies Tuesday with President Trump at the White House.

The new tranche of money from Google into Anthropic adds to a total investment of $8 billion from Amazon, the ecommerce group’s largest-ever venture investment, announced over the past 18 months. Amazon is also working to embed the Claude models into the next-generation version of its Alexa speaker.

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,

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.