Microsoft
promises on the ledger
- met Brad Smith, vice chair and president, 2025-01-03: Microsoft spends about $80 billion on AI-enabled data centers in fiscal 2025 (July 2024-June 2025). (by 2025-06-30) · source ↗
in the incident register
- 2026-02-18 Microsoft 365 Copilot summarized confidential-labelled emails despite DLP policies (ai security) · source ↗
- 2025-06-11 EchoLeak: zero-click prompt injection exfiltrated data from Microsoft 365 Copilot (ai security) · source ↗
- 2024-03-29 NYC's MyCity chatbot told businesses to break the law; shut down in 2026 (ai wrong in prod) · source ↗
its status page
GitHub: 2 incident notice(s) in the last 7 days, 9 in 30. Latest: Degradation with Gemini 3.8 Flash.
Counted from the provider's own status page. broke prod
in the feed
- Microsoft AI Chief Says the Way Anthropic Trains Claude Could Upend Society · ai news · Gizmodo
- via @dotnet : Build Your Own AI Agent Harness in C#, the MafClaw Live Series https://ift.tt/Exjh2np #AI #AIAgent #Harness #Claw #MafClaw #MicrosoftAgentFramewor · ai news · #AI on Mastodon
- 🎮 Microsoft Flight Simulator 2024 Releases Single New Plane DLC That Costs $74.49 Microsoft Flight Simulator 2024 is adding a big new jet to its fleet, but it · ai news · #ArtificialIntelligence on Mastodon
- Microsoft says AI rival Anthropic could have 'disastrous impact' on humanity · ai news · BBC
- A brief history of AI executives calling for regulation · ai news · The Verge
- Degraded functionality for Claude Cowork on Windows · ai incidents & outages · Anthropic status
$78B committed out across 7 live deal(s) · $318B received across 3. Face value, as announced; undisclosed amounts count as deals and add nothing.
Holds about 27% of OpenAI Group PBC after the October 2025 recapitalization; booked a $3.2B gain on its Anthropic stake in the quarter to June 2026.
Microsoft in focus. Click a company for its page, a curve for the deal.
Counterparties
| Counterparty | Microsoft pays / invests | Microsoft receives | Deals | |
|---|---|---|---|---|
| OpenAI | $13B | $288B | 3 | circular |
| Anthropic | $5B | $30B | 2 | circular |
| Nscale | $23B | — | 1 | |
| Nebius Group | $17.4B | — | 1 | |
| CoreWeave | $10B | — | 1 | |
| IREN | $9.7B | — | 1 | |
| Lambda | — | — | 1 |
Money that goes around
OpenAI ⇄ Microsoft $288B one way · $13B back
- $250B compute / cloud contract, 2025-10-28, announced — Microsoft blog
- $38B revenue share, 2026-04-27, closed / funded — Microsoft blog (Apr 27 2026)
- $13B equity investment, 2023-01-23, closed / funded — Microsoft blog (Oct 28 2025)
Anthropic ⇄ Microsoft $30B one way · $5B back
- $30B compute / cloud contract, 2025-11-18, announced — Anthropic
- $5B equity investment, 2025-11-18, closed / funded — Anthropic
Announced per month
Click a month to list the deals.
Microsoft pays or invests
| Deal | Amount ▾ | Type | Announced | Source |
|---|---|---|---|---|
| Microsoft → Nscale | $23B Approximate aggregate of several 2025 agreements (Norway ~$6.2B Sept 2025, Texas ~$14B Oct 2025, UK/Portugal) per DCD's tally; individual contracts partly undisclosed. DCD put Microsoft's total neocloud commitments above $60B by Nov 2025. | Compute / cloud contract | 2025-10-15 announced | DCD single-source figure #df8f94 |
| Microsoft → Nebius | $17.4B Five-year dedicated GPU capacity (Vineland, NJ); up to $19.4B with options. | Compute / cloud contract | 2025-09-08 announced | Nebius newsroom · second source #7ea4d5 |
| Microsoft → OpenAI | $13B $13B committed ($1B in 2019 + $10B in January 2023); Microsoft's 10-Q for the quarter to 2025-09-30 put the funded amount at $11.6B. The October 2025 recapitalization left Microsoft with about 27% of OpenAI Group PBC (as-converted, diluted). | Equity investment | 2023-01-23 closed / funded | Microsoft blog (Oct 28 2025) · second source #df0dba |
| Microsoft → CoreWeave | $10B 'More than $10B' across five contracts through 2030 per CoreWeave's S-1, which also disclosed Microsoft was 62% of 2024 revenue (35% in 2023). Exact contract values not itemised. | Compute / cloud contract | 2025-03-03 closed / funded | CoreWeave S-1 · second source single-source figure #bd8573 |
| Microsoft → IREN | $9.7B Five-year GB300 cloud contract with a 20% prepayment (IREN 8-K). | Compute / cloud contract | 2025-11-03 announced | IREN 8-K #c294c4 |
| Microsoft → Anthropic | $5B Up to $5B committed 2025-11-18; a portion closed inside the February 2026 Series G. Microsoft booked a $3.2B gain on the stake in its quarter to June 2026. | Equity investment | 2025-11-18 closed / funded | Anthropic · second source #e3c675 |
| Microsoft → OpenAI | undisclosed Microsoft's revenue share to OpenAI (on Azure OpenAI / product revenue) ended: 'Microsoft will no longer pay a revenue share to OpenAI.' Amount never disclosed. | Revenue share | 2026-04-27 cancelled / never closed | Microsoft blog (Apr 27 2026) #b22ddc |
| Microsoft → Lambda | undisclosed 'Multibillion-dollar' multi-year deal for tens of thousands of GB300 GPUs; value undisclosed. | Compute / cloud contract | 2025-11-03 announced | TechCrunch single-source figure #6cd02b |
Microsoft receives
| Deal | Amount ▾ | Type | Announced | Source |
|---|---|---|---|---|
| OpenAI → Microsoft | $250B 'Incremental $250B of Azure services' contracted; Microsoft lost right of first refusal on OpenAI compute. April 2026 amendment kept Azure as primary cloud / first-ship platform; Feb 2026 joint statement: Azure remains exclusive for stateless OpenAI API calls. | Compute / cloud contract | 2025-10-28 announced | Microsoft blog · second source #f86156 |
| OpenAI → Microsoft | $38B Cap, reported. Companies confirmed (2026-04-27) revenue share continues through 2030 'at the same percentage but subject to a total cap', independent of AGI; the ~20% rate and $38B cap are per The Information (May 2026), not confirmed by either company. | Revenue share | 2026-04-27 closed / funded | Microsoft blog (Apr 27 2026) · second source single-source figure #047352 |
| Anthropic → Microsoft | $30B 'Committed to purchase $30 billion of Azure compute capacity and to contract additional compute capacity up to one gigawatt.' | Compute / cloud contract | 2025-11-18 announced | Anthropic · second source #8f1885 |
Every amount links to its source; a "reported" status means the parties never confirmed it; cancelled deals stay listed. All deals · how this site works.