Palisade's Jeff Ladish calls to revive METR time-horizon estimates for new models

JeffLadish · x · 2026-11-06

Palisade Research's Jeff Ladish argues the real test of AI progress is whether agents can actually do the work, not 40 benchmarks. He recalls when METR measured capabilities by having software engineers tackle long-horizon tasks, and says the biggest jump he felt was between pre- and post-Fable models — going from occasionally using agents to using them daily.

He hopes METR or others will bring back the METR graph estimating task time horizons for new models: weeks-long tasks are hard to measure, but surely several-week horizons can be quantified.

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