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Stanford AI Index 2026: SWE-Bench Hits Near-100%, US-China Gap Closes, AI Transparency Drops

Frontier AI models now solve real software engineering tasks with near-perfect accuracy — but the same report finds leading AI systems are disclosing less about how they work than ever before.

Apr 24

Science & Research · 2 min read

Stanford AI Index 2026: Human PhD Scientists Perform Twice as Well as Best AI Agents on Complex Tasks

The Stanford AI Index 2026 finds top AI agents complete complex scientific research tasks at half the rate of human PhD experts — a significant check on agentic AI hype, even as frontier models exceed 50% on Humanity's Last Exam.

Apr 17

Science & Research · 3 min read

Stanford AI Index 2026: China Has Nearly Closed the US Performance Gap

The 2026 Stanford AI Index found China closed the US AI performance lead from 9.26% to 1.70% in one year — while major labs slashed transparency scores by 31%.

Apr 15