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The latest mirrorcode news, distilled by AI into sharp ~100-word summaries. ByteBrief tracks mirrorcode across dozens of tech sources and brings you only what matters, updated hourly. Tap any story for the full brief, or open the original source.

Epoch AI and METR released MirrorCode, a benchmark where AI models reimplement programs from scratch without source code. Claude Opus 4.7 leads with 56 percent solve rate. One task cost $2,600 and ran continuously for 19 days with no human involvement. Opus 4.7 reimplemented a 16,000-line bioinformatics toolkit in 14 hours for $251.
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