2026-02-27, equity
Disclosed: $50bn
Committed: undisclosed
Basis: announced ceiling
Confidence: high
Term: undisclosed
Amazon, 2026-02-27
Amazon agreed to invest 50 billion US dollars in OpenAI, an initial 15 billion followed by 35 billion when certain conditions are met.
amazon>openai>microsoft>anthropic
OpenAI announced a $250B compute commitment to Microsoft on 2025-10-28, and Microsoft an equity investment of up to $5B in Anthropic on 2025-11-18. Amazon announced $50B of equity in OpenAI on 2026-02-27, and Anthropic a $100B compute commitment to Amazon over ten years on 2026-04-20. All four figures are announced ceilings; the committed amounts are undisclosed.
Closed on 2026-04-20
amazon>openai>oracle>nvidia>anthropic
Oracle's GPU purchase from NVIDIA was reported at $40B on 2025-05-23. OpenAI's compute commitment to Oracle was put at a $300B ceiling over five years on 2025-09-23; NVIDIA announced up to $10B of equity in Anthropic on 2025-11-18, Amazon $50B of equity in OpenAI on 2026-02-27, and Anthropic a $100B compute commitment to Amazon on 2026-04-20. No committed amount is disclosed.
Closed on 2026-04-20