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How AI drives advancements and new business models across industries.
The AI Index, currently in its ninth year, tracks, collates, distills, and visualizes data relating to artificial intelligence.

The AI Index, currently in its ninth year, tracks, collates, distills, and visualizes data relating to artificial intelligence.

The new center will examine AI's real-world impacts on jobs, teams, and organizational performance.

The new center will examine AI's real-world impacts on jobs, teams, and organizational performance.
This methodological paper presents the Global AI Vibrancy Tool, an interactive suite of visualizations designed to facilitate cross-country comparisons of AI vibrancy across countries, using indicators organized into pillars. The tool offers customizable features that enable users to conduct in-depth country-level comparisons and longitudinal analyses of AI-related metrics.
This methodological paper presents the Global AI Vibrancy Tool, an interactive suite of visualizations designed to facilitate cross-country comparisons of AI vibrancy across countries, using indicators organized into pillars. The tool offers customizable features that enable users to conduct in-depth country-level comparisons and longitudinal analyses of AI-related metrics.

This brief presents one of the first empirical investigations into AI ethics on the ground in private technology companies.

This brief presents one of the first empirical investigations into AI ethics on the ground in private technology companies.

More than 200 academic teams submitted proposals to the AI for Organizations Grand Challenge, exploring how artificial intelligence will transform teamwork and collaboration.

More than 200 academic teams submitted proposals to the AI for Organizations Grand Challenge, exploring how artificial intelligence will transform teamwork and collaboration.
HAI Co-Director James Landay and HAI Senior Fellow Erik Brynjolfsson discuss the impacts of AI in 2025 and the future of AI in 2026.
HAI Co-Director James Landay and HAI Senior Fellow Erik Brynjolfsson discuss the impacts of AI in 2025 and the future of AI in 2026.

This brief introduces a quantitative framework to gauge the effect tax policy or regulatory action would have on Facebook’s platform usage, consumer welfare, and revenues.
This brief introduces a quantitative framework to gauge the effect tax policy or regulatory action would have on Facebook’s platform usage, consumer welfare, and revenues.


The era of AI evangelism is giving way to evaluation. Stanford faculty see a coming year defined by rigor, transparency, and a long-overdue focus on actual utility over speculative promise.
The era of AI evangelism is giving way to evaluation. Stanford faculty see a coming year defined by rigor, transparency, and a long-overdue focus on actual utility over speculative promise.


Researchers at Stanford have invented a new type of self-powered mechanical circuits that learn. It could lead to new purely mechanical machines that understand and adapt to the changing world around them.
Researchers at Stanford have invented a new type of self-powered mechanical circuits that learn. It could lead to new purely mechanical machines that understand and adapt to the changing world around them.


Stanford professors Melissa Valentine and Michael Bernstein unveil a new model for work organizations, highlighting a dynamic approach to assembling global teams of experts for on-demand projects.
Stanford professors Melissa Valentine and Michael Bernstein unveil a new model for work organizations, highlighting a dynamic approach to assembling global teams of experts for on-demand projects.

Vanessa Parli, Stanford HAI Director of Research and AI Index Steering Committee member, notes that the 2025 AI Index reports flourishing and higher-quality academic research in AI.
Vanessa Parli, Stanford HAI Director of Research and AI Index Steering Committee member, notes that the 2025 AI Index reports flourishing and higher-quality academic research in AI.