METR has released Time Horizon 1.1 (TH1.1), an updated evaluation of AI model capabilities. This new version expands the task suite from 170 to 228 tasks, incorporating more long-duration tasks and utilizing the Inspect framework from the UK AI Security Institute. While most new estimates fall within previous confidence intervals, the trend in time horizon growth shows some differences, with tighter confidence intervals for recent models due to the enhanced task suite. AI
IMPACT Provides updated benchmarks for AI model capabilities, influencing future research and development directions.
RANK_REASON The item describes an updated methodology and evaluation of AI models, which falls under research. [lever_c_demoted from research: ic=1 ai=1.0]
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