AI training draws heavily from the whole web, the largest data source with trillions of tokens, followed by sources like the indexed web and common crawl. This represents the estimated finality of tokens available in 2025, leading to a potential blockage for any AI models training on them.
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Stanford University. (March 30, 2025). Data availability for artificial intelligence (AI) training from various sources in 2025 (in trillion tokens) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 15, 2026, from /statistics/1611551/median-token-data-stocks-ai-training/
Stanford University. "Data availability for artificial intelligence (AI) training from various sources in 2025 (in trillion tokens)." Chart. March 30, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 15, 2026. /statistics/1611551/median-token-data-stocks-ai-training/
Stanford University. (2025). Data availability for artificial intelligence (AI) training from various sources in 2025 (in trillion tokens). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 15, 2026. /statistics/1611551/median-token-data-stocks-ai-training/
Stanford University. "Data Availability for Artificial Intelligence (Ai) Training from Various Sources in 2025 (in Trillion Tokens)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 30 Mar 2025, /statistics/1611551/median-token-data-stocks-ai-training/
Stanford University, Data availability for artificial intelligence (AI) training from various sources in 2025 (in trillion tokens) ÌÇÐÄÆƽâ°æ, /statistics/1611551/median-token-data-stocks-ai-training/ (last visited July 15, 2026)
Data availability for artificial intelligence (AI) training from various sources in 2025 (in trillion tokens) [Graph], Stanford University, March 30, 2025. [Online]. Available: /statistics/1611551/median-token-data-stocks-ai-training/
