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The 2025 AI Index highlights key developments over the past year, including major gains in model performance, record levels of private investment, new regulatory action, and growing real-world adoption.
The 2025 AI Index highlights key developments over the past year, including major gains in model performance, record levels of private investment, new regulatory action, and growing real-world adoption.
"The AI Index equips policymakers, researchers, and the public with the data they need to make informed decisions — and to ensure AI is developed with human-centered values at its core," says Russell Wald, Executive Director of Stanford HAI and Steering Committee member of the AI Index.
"The AI Index equips policymakers, researchers, and the public with the data they need to make informed decisions — and to ensure AI is developed with human-centered values at its core," says Russell Wald, Executive Director of Stanford HAI and Steering Committee member of the AI Index.

Small models get better, regulation moves to the states, and more.
Small models get better, regulation moves to the states, and more.


The new AI Index is out. See how well you know the state of the industry.
The new AI Index is out. See how well you know the state of the industry.


Stanford researchers uncover the key factors behind successful AI development in the workplace.
Stanford researchers uncover the key factors behind successful AI development in the workplace.


Stanford HAI faculty joined world leaders and policymakers to discuss AI trends, shifting U.S. policy, the future of diversity efforts, and more.
Stanford HAI faculty joined world leaders and policymakers to discuss AI trends, shifting U.S. policy, the future of diversity efforts, and more.
