tech
December 30, 2025
SoftBank has fully funded $40 billion investment in OpenAI, sources tell CNBC
Companies have been spending big on AI infrastructure to support growing compute and connectivity needs.
TL;DR
- SoftBank has finalized its $40 billion investment in OpenAI.
- The investment increases SoftBank's stake in OpenAI to over 10%.
- A portion of the funds will support OpenAI's AI infrastructure, including the Stargate joint venture with Oracle and SoftBank.
- The deal comes as companies are heavily investing in AI infrastructure to meet growing demand.
- OpenAI has made significant infrastructure commitments, including agreements with chipmakers.
- SoftBank has a history of investing in technology and AI companies, including an early investment in Nvidia.
- SoftBank recently agreed to pay $4 billion for data center investment firm DigitalBridge.
- SoftBank previously sold its entire $5.8 billion stake in Nvidia, with proceeds potentially supporting the OpenAI investment.
- OpenAI has received substantial funding from Microsoft and is reportedly exploring investments from Amazon and Disney.
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