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SoftBank Group
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OpenAI

Deal Value

Undisclosed

Announced

Tuesday, December 30, 2025

Deal Details

SoftBank completes a previously announced $40 billion investment into OpenAI, finalizing one of the largest private AI funding deals to date.

A financial investment providing capital in exchange for equity or strategic partnership.

Related News

SoftBank completes $40B OpenAI funding to fuel AGI push

SoftBank Group has finished wiring its full $40 billion investment into OpenAI, according to a Reuters report on December 30, 2025. The funding, originally agreed in March, cements one of the largest private capital raises in history and deepens Masayoshi Son’s bet on AI infrastructure and models.

Dec 30, 2025
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