Amazon agrees to invest $35 billion more in OpenAI under commitment letter
Amazon disclosed a letter agreement under which an Amazon subsidiary will buy $35.0 billion of OpenAI Series C Preferred Stock, with Amazon.com, Inc. guaranteeing the obligation. The filing also describes a separate $15.0 billion investment due March 31, 2026, and a commercial arrangement covering AWS cloud services for OpenAI.
Key points
- Commitment amount of $35.0 billion, with purchase due upon OpenAI milestones or a U.S. public listing, and termination if not invested by December 31, 2028
- Separate $15.0 billion investment in OpenAI's current funding round, due March 31, 2026, subject to closing conditions
- OpenAI to consume approximately 2 gigawatts of Trainium capacity through AWS, with the expanded agreement worth $100 billion over 8 years
The filing
Written by AI on Nov 8, 2026, 2:16 AM ET, from this filing only. Written later: this filing was briefed after the fact, when past filings were added to the site, so the brief may be read with hindsight; the filing itself is the record of what was known on February 27, 2026.
Briefs are written by AI from the filing text and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the AI's reading of the filing for shareholders, not a price forecast. Not investment advice.