OpenAI is finalizing initial commitments from investors in a round that could raise $100 billion at a $830 billion valuation including the investment, according to two people with direct knowledge of the fundraising.

SoftBank is expected to anchor the round with a $30 billion investment, which it will spread in three installments of $10 billion each through the year, according to the two people. Amazon, which supplies cloud services to OpenAI, could invest as much as $50 billion; Nvidia, whose chips OpenAI’s models, could invest up to $30 billion; and long-standing partner Microsoft could invest in the low billions of dollars, according to one of the people.