MirrorCode

1 article tagged with MirrorCode

July 27, 2026
benchmarkOpenAI

Anthropic's Claude Opus 4.7 Completes Robot Tasks 20x Faster Than Prior Model, New Benchmark Shows Week-Long Coding Feat

A new Epoch/METR benchmark called MirrorCode shows Claude Opus 4.7 reimplementing large software programs from scratch in tasks estimated to take humans 2-17 weeks, for $251 in inference cost. Separately, Anthropic reports Opus 4.7 completed a suite of quadruped robot tasks in 9 minutes 35 seconds, down from 181 minutes with an earlier model assisting humans.