Who Reddit buys from and sells to
Sells ads against community discussion and licenses its post data to AI companies.
Part of Digital Advertising spending
Buys from 2
- Volunteer moderators and usersthe posts and moderation the product is made of
- AmazonAMZNAWS hosting
Sells to 3
- Advertisersfeed and conversation ads, most of revenue
- AlphabetGOOGLlicensed post data for search and model trainingreported ~$60M a year
- OpenAIlicensed post data for ChatGPT
Where the chain could break
- Much logged-out traffic arrives from Google search, which can change ranking or AI answers
- Data licensing rests on two buyers, Google and OpenAI, with renewal uncertain
Competes with
- MetaMETAsocial ad budgets
- PinterestPINSmid-size social ad budgets
Mapped by hand from filings and company reporting, as of October 2026. It shows the relationships that matter most, not every contract: most are never disclosed, and agreements change.