Elon Musk’s artificial intelligence start-up xAI has closed a $6bn funding round at a valuation of $18bn, as investor fervour for new challengers to OpenAI continues unabated.
Despite being little more than a year old, xAI’s financing vaults it into the richest tier of potential rivals to Microsoft-backed OpenAI, which has secured more than $13bn in funding. Measured by capital raised, xAI now ranks alongside Anthropic, which has raised more than $8bn since it was established in 2021.
Musk was a co-founder of OpenAI before he split with its chief executive Sam Altman in 2018.
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