GPT-6 Astra edited 0.016% of Qwen's weights and its math score went up 6xMIT CSAIL researchers say Astra traced Qwen3.5-0.8B looping to layers 15 and 19 and removed it by editing 131,072 weights, with no gradient descent.RuntimeWire · 2026-11-02T21:03:12.639Z