diffusion-models

• AI Brief, 3 November 2026: 131,072 weights, and a number this brief said did not exist

  3 November 2026

  Four MIT CSAIL researchers had OpenAI's GPT-6 Astra edit 0.016% of a Qwen model's weights and reported its MATH-500 score going from 7.9% to 48.1%; the edited checkpoint replicates at 51.0%, and the size of every gain tracks how broken that benchmark's baseline was. An independent evaluation of Nanbeige4.3-33B has existed since 29 October, which this brief has spent three days saying did not. And a block-diffusion model reached llama.cpp with 33,803 downloads and three Hacker News points.

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