The Stanford HAI AI Index Report 2025, the eighth edition of this authoritative resource, provides comprehensive insights into AI's accelerating impact across technology, business, and society. The report introduces new analyses on AI hardware evolution, inference costs, and expanded coverage of AI's role in science and medicine, while tracking critical trends in global AI development and adoption.
Key Highlights
- AI performance on demanding benchmarks improved dramatically, with scores rising by 18.8-67.3 percentage points on major tests like MMMU, GPQA, and SWE-bench within just one year
- Business AI adoption surged to 78% of organizations in 2024 (up from 55% in 2023), with US private AI investment reaching $109.1 billion—12 times China's $9.3 billion
- The US produced 40 notable AI models in 2024 compared to China's 15, but Chinese models rapidly closed the performance gap to near parity on major benchmarks
- AI is increasingly embedded in daily life, with FDA approving 223 AI-enabled medical devices in 2023 and Waymo providing over 150,000 autonomous rides weekly