Toby Ord disputes METR's 1.9x slope: it ignores the pre-training jump

tobyordoxford · x · 2026-11-06

Toby Ord argues METR's 1.9x slope estimate assumes zero jump from the Mythos pre-training run, while his own 1.4x estimate accounts for both the jump and the slope change, making it a better estimate.

Related event: Oxford's Toby Ord Pushes Back on METR's 2x R&D Speedup: Jump-Plus-Slope Fit Suggests Only 1.4x(9 posts)→

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