OpenAI CEO Sam Altman speaks next to SoftBank CEO Masayoshi Son after U.S. President Donald Trump delivered remarks on AI infrastructure at the Roosevelt Room in the White House in Washington on Jan. 21, 2025.
Carlos Barria | Reuters
Softbank is close to finalizing a $40 billion primary invest in OpenAI at $260 billion pre-money valuation, sources told CNBC's David Faber.
This is a developing story. Check back for updates.