Anthropic S-1 claims Claude jumped 40% to 90% on open-ended engineering tasks in 9 months

trevposts · x · 2026-11-09

Caleb Watney highlights an overlooked Anthropic S-1 claim: Claude's success rate on open-ended, judgment-heavy engineering tasks went from 40% to 90% in nine months — arguably a bigger update than METR's 2x speedup, if the benchmark holds up. The linked essay "The Goodhart Singularity" by Tom Reed argues automating AI R&D alone is insufficient for superintelligence: whether progress in verifiable domains transfers to fuzzy, open-ended tasks is the key crux.

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