Artificial Intelligence Index Report 2025

Welcome to the eighth edition of the AI Index report. The 2025 Index is ourmost comprehensive to date and arrives at an important moment, as AI'sinfluence across society, the economy, and global governance continues tointensify. New in this year's report are in-depth analyses of the evolvinglandscape of AI hardware, novel estimates of inference costs, and new analysesof AI publication and patenting trends. We also introduce fresh data oncorporate adoption of responsible AI practices, along with expanded coverage ofAI's growing role in science and medicine. Since its founding in 2017 as anoffshoot of the One Hundred Year Study of Artificial Intelligence, the AI Indexhas been committed to equipping policymakers, journalists, executives,researchers, and the public with accurate, rigorously validated, and globallysourced data. Our mission has always been to help these stakeholders makebetter-informed decisions about the development and deployment of AI. In aworld where AI is discussed everywhere - from boardrooms to kitchen tables -this mission has never been more essential. The AI Index continues to lead intracking and interpreting the most critical trends shaping the field - from theshifting geopolitical landscape and the rapid evolution of underlyingtechnologies, to AI's expanding role in business, policymaking, and publiclife. Longitudinal tracking remains at the heart of our mission. In a domainadvancing at breakneck speed, the Index provides essential context - helping usunderstand where AI stands today, how it got here, and where it may be headednext. Recognized globally as one of the most authoritative resources onartificial intelligence, the AI Index has been cited in major media outletssuch as The New York Times, Bloomberg, and The Guardian; referenced in hundredsof academic papers; and used by policymakers and government agencies around theworld.