Softbank has fully funded $40 billion investment in OpenAI, sources tell CNBC
Published Tue, Dec 30 2025
9:10 AM EST
Updated 2 Min Ago
Samantha Subin@samantha_subinWATCH LIVEMasayoshi Son, chairman and chief executive officer of SoftBank Group Corp., speaks during the Future Investment Initiative (FII) Institute Priority Asia conference in Tokyo, Japan, on Monday, Dec. 1, 2025.
Akio Kon | Bloomberg | Getty Images
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 investment last week, according to the source familiar with the matter. Softbank had previously had syndicated $10 billion and invested $8 billion in the ChatGPT maker.
CNBC reported in February that the company was finalizing a $40 billion investment in the Sam Altman-run startup at a $260 billion pre-money valuation. At the time, sources told Faber that the funding would be paid out over a 12 to 24 month period.
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