AnalysisAI ModelsNovember 11, 2026

Blog: a linear program can replicate GPT-6 Astra's weight edits

Read original source →nathan.rs

Astra spent ~8 hours and 28 forward passes choosing weight edits for Qwen3.5-0.8B; two LP solves of about a minute each match the job with 8x fewer changed weights. Astra had lifted MATH-500 from 7.9% to 48.1% by editing 0.016% of weights.

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