The gradient of improvement is absolutely not the same.
replyIf anything its slightly higher. Feel free to provide any evidence to the contrary.
replyECI (good aggregate measure using IRT): https://epoch.ai/eci?view=graph&tab=release-date&subset-view...
METR time horizon (now topped out): https://metr.org/time-horizons/
I like this one, although its data seem to overlap with ECI.
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