OpenAI raises $110B at $730B pre-money; Amazon adds $50B and AWS deal expands

OpenAI announced a $110 billion funding round on February 27, 2026, at a $730 billion pre-money valuation, with Amazon ($50 billion), Nvidia ($30 billion) and SoftBank ($30 billion). Amazon's $50 billion starts with $15 billion, with $35 billion more due later when conditions are met. The same day the AWS partnership was expanded, with OpenAI models on Amazon Bedrock and at least 2 GW of Trainium compute. Microsoft is not named among the investors, and for Microsoft this is OpenAI spreading compute and distribution beyond Azure.

• $110B round at $730B pre-money valuation
• Amazon $50B: $15B upfront, $35B when conditions are met
• Nvidia $30B and SoftBank $30B
• OpenAI models on Amazon Bedrock; at least 2 GW of Trainium compute
• Microsoft not named among the round's investors