Sources: OpenAI is in talks to raise $6.5B in equity financing at a $150B valuation and raise $5B in debt from banks in the form of a revolving credit facility (Bloomberg)
https://www.bloomberg.com/news/articles/2024-09-11/openai-fundraising-set-to-vault-startup-s-value-to-150-billion
http://www.techmeme.com/240911/p19#a240911p19