Microsoft, OpenAI strike new landmark AI deal valuing ChatGPT owner at whopping $500B admin 9 hours ago News Tv Comments Off on Microsoft, OpenAI strike new landmark AI deal valuing ChatGPT owner at whopping $500B 1 Views Microsoft will still hold a stake of about $135 billion, or 27%, in OpenAI Group PBC, which will be controlled by the OpenAI Foundation, a nonprofit Share Facebook Twitter Stumbleupon LinkedIn Pinterest