Who has promised money to whom in AI

Loops

Microsoft is one of the 11 companies in the data that are part of a loop. A loop is a route along the links that returns to the company where it started.

Microsoft and Anthropic have each promised money to the other.

Microsoft and OpenAI have each promised money to the other.

Deals that FT lists for Microsoft

FT published the amount and the date of each deal only for OpenAI and Anthropic. The list holds the deals of those two companies that name Microsoft.

• OpenAI → Microsoft Azure $250bn

  28 October 2025. Cloud/compute purchase commitment.

  Microsoft said OpenAI contracted for an incremental $250B of Azure services, while Microsoft no longer retained a right of first refusal as compute provider.

  Note in FT's data: Commercial commitment, not equity funding.

  Note from the site: FT's deal list says "Microsoft Azure", and FT's list of links records the same deal under "Microsoft".

• Anthropic → Microsoft Azure $30bn

  18 November 2025. Cloud/compute purchase commitment.

  Anthropic committed to purchase $30B of Azure compute and contract additional capacity up to 1GW in a Microsoft/NVIDIA/Anthropic partnership.

  Note in FT's data: Commercial commitment from model lab to hyperscaler.

  Note from the site: FT's deal list says "Microsoft Azure", and FT's list of links records the same deal under "Microsoft".

• Microsoft → OpenAI $10bn

  23 January 2023. Equity investment.

  Microsoft announced a multiyear, multibillion-dollar extension of its OpenAI partnership; reporting put the amount at about $10B with profit/economic rights.

  Note in FT's data: Outside strict three-year window but retained as an anchor because it underpins current Microsoft/OpenAI economics.

• Microsoft → Anthropic $5bn

  18 November 2025. Equity investment.

  Microsoft committed to invest up to $5B in Anthropic as part of a three-way Microsoft/NVIDIA/Anthropic partnership.

  Note in FT's data: Marked conditional because it is an up-to amount.

Shares of revenue

Sona estimates how much of a supplier's revenue comes from each of its customers, and FT published the estimates for five suppliers. The numbers are shares of revenue, and they are not amounts of promised money.