OpenAI gets $4 billion revolving credit line, giving it more than $10 billion in liquidity CNBCOpenAI’s Altman Concentrates Power on Path to $157 Billion Valuation BloombergAI Money: OpenAI Secures $6.6 Billion as Startup Poolside Nets Funding for ‘Human-Level’ AI PYMNTS.comOpenAI asks investors to avoid five AI startups including Sutskever’s SSI, sources say ReutersMicrosoft and Nvidia Are Backing OpenAI. Here’s One Possible Reason Apple Isn’t. Barron’s