SoftBank has completed its $40 billion investment commitment to OpenAI, sources told CNBC's David Faber.

The Japanese investment giant sent over a final $22 billion to $22.5 billion last week, according to sources familiar with the matter, who asked not to be named in order to discuss details of the transaction.

SoftBank has completed its $40 billion investment commitment to OpenAI, sources told CNBC's David Faber.

The Japanese investment giant sent over a final $22 billion to $22.5 billion last week, according to sources familiar with the matter, who asked not to be named in order to discuss details of the transaction.