Only newest models can hand-edit weights: GPT-6 and Opus 5.5 beat RL network 18-22x

ccerrato147 · x · 2026-11-04

Citing Alex Krentsel's cross-generation rerun on Breakout: every model before GPT 6 and Opus 5.5 scored below the RL-trained network, while the new ones landed 18 to 22 times above it. Reading weights is easier — Simon Willison's laptop-scale 27B named three of four games from raw weights alone.

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