2026-07-27Reported↻ Circular
Nvidia (Financier) · OpenAI (Buyer) · SB Energy (Developer)
- Value
- up to $250B
- Capacity / term
- 10 GW
- First revenue
- not disclosed
REPORTED ONLY, excluded from binding aggregates: Nvidia in talks to guarantee up to $250B of financing so OpenAI can lease the SoftBank-subsidiary SB Energy 10 GW Ohio campus. Circular by construction: the guarantor's chips are the campus's payload. Nvidia fell 5% on the report.
Conditions: Early talks per WSJ reporting; nothing signed. Backstop would cover lease and construction financing so OpenAI can lease a planned $500B, 10 GW SB Energy campus in Pike County, Ohio (800 MW first phase targeted 2028). Parallel talks reportedly cover up to $350B of chip financing.
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2025-11-18Binding↻ Circular
Microsoft (Financier) · Nvidia (Financier) · Anthropic (Buyer)
- Value
- up to $15B
- Capacity / term
- n/a
- First revenue
- not disclosed
Compute-linked equity: Microsoft (up to $5B) and Nvidia (up to $10B) investing in Anthropic alongside Anthropic's $30B-plus Azure purchase commitment (anthropic-azure-commitment-2025-11). The investments reportedly lifted Anthropic's valuation to around $350B. Circular by definition: suppliers funding their own customer.
Conditions: Combined figure: Microsoft up to $5B and Nvidia up to $10B, staged investments announced as part of the Azure compute alliance.
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2025-09-22LOI / MOU↻ Circular
Nvidia (Financier) · OpenAI (Buyer)
- Value
- up to $100B
- Capacity / term
- 10 GW
- First revenue
- 2026
NON-BINDING, excluded from binding aggregates: LOI for Nvidia to invest up to $100B in OpenAI, staged as each gigawatt of at least 10 GW of Nvidia systems deploys. The archetypal circular AI deal: the investor is the chip supplier whose systems the investment buys. Context for the July 2026 backstop talks (nvidia-openai-backstop-talks-2026-07).
Conditions: Letter of intent, not a definitive agreement: investment staged progressively as each gigawatt of at least 10 GW of Nvidia systems is deployed. First gigawatt targeted for H2 2026 on the Vera Rubin platform.
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