OpenAI nears $100 billion funding round at $850 billion valuation

OpenAI is finalizing a funding round expected to exceed $100 billion, which would value the ChatGPT maker above $850 billion. The deal, backed by SoftBank, Amazon, Nvidia, and Microsoft, would represent the largest single private funding round in history and more than double the company's valuation from just four months ago.

The scale of this deal signals a new phase in AI investment. In October 2025, OpenAI raised at a $500 billion valuation. A round closing at $850 billion or higher would make OpenAI worth more than all but a handful of publicly traded companies worldwide, underscoring institutional conviction that AI infrastructure will underpin the next decade of technology spending.