AI training data statistics

The numbers behind the AI training data market, each with its source and date. We list only figures we can verify.

Updated AI Data For Sale
In short
  • Epoch AI estimated about 300 trillion tokens of public human text, likely fully used between 2026 and 2032.
  • Published prices range from $0.001 per word of text to $100 to $300 per hour of film.
  • Anthropic's $1.5 billion settlement in Bartz v. Anthropic, about $3,000 per book, is the largest copyright settlement on record.
  • One forecast put the AI training dataset market at $2.62 billion in 2024, rising to $18.47 billion by 2034.

Data supply

StatisticFigureSource
Stock of human-generated public textAbout 300 trillion tokens (90% interval 100 to 1,000 trillion)Epoch AI, June 2024
When that stock is fully usedBetween 2026 and 2032 (80% interval)Epoch AI, June 2024
C4 tokens fully restricted to AI crawlers in one year5% or moreConsent in Crisis, July 2024
Critical C4 sources fully restricted in one year28% or moreConsent in Crisis, July 2024

Prices

DataPriceSource
Images, large archive (Freepik)$0.02 to $0.04 per imageReuters, April 2024
Photos (Photobucket)$0.05 to $1 per photoReuters, April 2024
Images (Defined.ai)$1 to $2 per imageReuters, April 2024
Short-form video (Defined.ai)$2 to $4 per videoReuters, April 2024
Longer films (Defined.ai)$100 to $300 per hourReuters, April 2024
Text (Defined.ai)About $0.001 per wordReuters, April 2024
Unpublished creator video$1 to $4 per minuteBloomberg, January 2025
Closed startup's codebaseAbout $25,000MIT Technology Review, October 2026

More on AI data prices.

Deals

DealValueSource
Reddit and GoogleAbout $60 million a yearThe Decoder, February 2024
Shutterstock AI licensing$104 million in a yearPetaPixel, June 2024
Shutterstock initial deals$25 million to $50 million eachReuters, April 2024
Wiley AI rights deals$44 million expectedThe Bookseller, August 2024
Spirit Airlines data to Alphabet$10 millionTravelPulse, August 2026
Spirit data volumeAbout 100 million emails and 500 million Teams messagesTravelPulse, August 2026
Troveo payments to creatorsMore than $5 millionBloomberg, January 2025
SimpleClosure Asset HubMore than 150 deals; over $10 million expected by end of 2026MIT Technology Review, October 2026
SimpleClosure deals including code or data47%RuntimeWire, October 2026

More on AI data deals.

Companies

StatisticFigureSource
Scale AI revenue, 2024About $870 millionSiliconANGLE, June 2025
Scale AI contractors with a PhDAbout 12%SiliconANGLE, June 2025
Surge AI revenue, 2024$1.2 billionWikipedia
Mercor valuation$10 billion (October 2025)TechCrunch
Mercor payments to contractorsMore than $1.5 million a dayTechCrunch
Mercor experts' average payOver $85 an hourTechCrunch
Appen revenue, first half 2024$113.4 million, down 18.4%Staffing Industry Analysts
Protege funding$25 million Series A (August 2025) plus $30 million (January 2026)SiliconANGLE

Market size

StatisticFigureSource
AI training dataset market, 2024About $2.62 billionResearchAndMarkets, May 2025
Forecast, 2029$7.3 billionResearchAndMarkets, May 2025
Forecast, 2034$18.47 billionResearchAndMarkets, May 2025

Market size forecasts vary widely between research firms and depend on what they count. Treat them as indications, not facts.

StatisticFigureSource
Bartz v. Anthropic settlement$1.5 billionJURIST, July 2026
Payment per bookAbout $3,000JURIST, July 2026

See the AI copyright lawsuits tracker.

Using these statistics

You are welcome to cite these figures. Please link to the original source and to this page. Spotted an error or a newer figure? Email us with the source.

Questions

How big is the AI training data market?

One forecast, from ResearchAndMarkets, put it at about $2.62 billion in 2024 and $18.47 billion by 2034. Other firms publish different numbers.

Will AI run out of training data?

Epoch AI projected that the stock of public human-written text would be fully used between 2026 and 2032 at current trends. Private, licensed and multimodal data extend that.

Sources

  1. Epoch AI: Will we run out of data? Limits of LLM scaling based on human-generated data (June 2024)
  2. Longpre et al.: Consent in Crisis, the rapid decline of the AI data commons (Data Provenance Initiative, July 2024)
  3. Reuters via The Star: Inside Big Tech's underground race to buy AI training data (April 2024)
  4. Bloomberg via The Star: YouTubers are selling their unused video footage to AI companies (January 2025)
  5. MIT Technology Review: AI labs are buying data from dead startups to train models (October 2026)
  6. The Decoder: Reddit signs $60 million annual training data deal with Google
  7. PetaPixel: Shutterstock made $104 million licensing assets to AI developers last year (June 2024)
  8. The Bookseller: Wiley set to earn $44m from AI rights deals (August 2024)
  9. TravelPulse: Google buys Spirit Airlines' data for $10 million (August 2026)
  10. RuntimeWire: SimpleClosure says 47% of its deals now include code or data sales (October 2026)
  11. SiliconANGLE: Meta reportedly in talks on $10B+ investment in Scale AI (June 2025)
  12. Wikipedia: Surge AI
  13. TechCrunch: Mercor quintuples valuation to $10B with $350M Series C (October 2025)
  14. Staffing Industry Analysts: Appen H1 operating revenue falls with Google contract termination (August 2024)
  15. SiliconANGLE: Protege raises $30M to grow its governed marketplace for AI training data (January 2026)
  16. ResearchAndMarkets via Business Wire: AI training dataset market opportunities and strategies to 2034 (May 2025)
  17. JURIST: Judge approves record $1.5 billion AI copyright settlement involving Anthropic (July 2026)

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