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AI Security Institute – Frontier AI Trends report factsheet

Our first public, evidence‑based assessment of how the world’s most advanced AI systems are evolving, bringing together results from two years of AISI's frontier model testing.

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The UK AI Security Institute (AISI) has conducted evaluations of frontier AI systems since November 2023 across domains critical to national security and public safety. The AI Security Institute – Frontier AI Trends report presents our first public analysis of the trends we’ve observed. It seeks to provide accessible, data-driven insights into the frontier of AI capabilities and promote a shared understanding among governments, industry, and the public.

This factsheet provides further information about the report.

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Published 18 December 2025

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