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An LLM edited a small model's weights directly and its math score rose 6x
TL;DR GPT-6 Astra, a frontier LLM, edited 0.016% of Qwen3.5-0.8B's weights directly, with no training run. MATH-500 went from 7.9% to 48.1%. The authors read most of that gain as unblocking: the base...