Weight editing

Author’s note: Using the controversy over GPT-6 Astra rewriting Qwen3.5-0.8B weights as a case study, this article breaks down model capability claims in six steps, covering baselines, tool permissions, evaluation settings, and reproducibility evidence. A claim that “a frontier model read and rewrote another model’s weights, boosting its math score from 7.9% to 48.1%” is…