Venture capital firm Khosla Ventures has raised $405 million to participate in OpenAI's $6.60 billion funding round. According to people familiar with the matter, the SPV funding came from Khosla Ventures and external investors. Khosla Ventures' previous investments include Calimero Network, a blockchain infrastructure company in the NEAR ecosystem, Worldcoin, investment app Seashell, and Chain (XCN).