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Rank.ai Index

Companies

What the companies building AI earn, spend and own, from their filings and published disclosures.

9

Boards

1

Category

Oct 25, 2026

Latest snapshot

Leaders

The leaders on the first 3 companies boards

Each board names its source and the date of its snapshot, and every row opens the evidence behind it.

Open the first board
AI companies by annualized revenueAnnualized revenue
  1. Anthropic$65B
  2. OpenAI$50B
  3. Z.ai (Zhipu)$1.6B
AI companies by closed equity fundingClosed primary equity funding
  1. OpenAI$182.75B
  2. Anthropic$139.404B
  3. xAI$37B
AI companies by full-company staffFull-company staff
  1. OpenAI4,500 people
  2. Anthropic3,000 people
  3. Z.ai (Zhipu)883 people

Boards

Every companies board

All 9 boards are free to read and link to the evidence behind every row. Each board shows the date of its snapshot.

Companies

What the largest AI companies earn, spend and employ, from their own filings.

  1. 1Microsoft100
  2. 2Alphabet84.18
  3. 3Meta0
Microsoft is 100 clear of third.3 brands
  1. 1Amazon100
  2. 2Microsoft100
  3. 3Alphabet98.27
The top three sit within 1.7 of each other.30 brands

Enter your website. In about two minutes, Rank.ai asks ChatGPT, Claude and Gemini 12 questions your customers ask and grades how often they name you.

  • Your grade out of 100How often AI names you, cites your site, and how high it ranks you.
  • Who gets namedEvery competitor in the answers, most named first.
  • The pages AI readsThe sources behind each answer.
  • Three fixesWhat to fix first, with a brief for the first article.