(Bloomberg) -- OpenAI has tapped global banks for a $4 billion revolving line of credit on top of its recent $6.6 billion fundraising, building a massive war chest to stay ahead in the costly race ...

Sierra, a software startup cofounded by former Salesforce co-CEO Bret Taylor, has raised $175 million in a new funding round led by Greenoaks Capital that gave it a $4.5 billion valuation ...

who also chairs OpenAI and previously co-led Salesforce. That company has reportedly reached a valuation of $4.5 billion. It also reflects a broader trend: seed rounds, especially in AI ...

Microsoft didn't say exactly how much money it's investing in OpenAI, but previous claims have put it at around $10 billion. Today, Amazon has invested $4 billion in AI safety startup Anthropic as ...

a major backer of ChatGPT creator OpenAI, as Big Tech companies race to infuse AI into their applications. Amazon.com also said last month it would invest up to $4 billion in Anthropic to compete ...