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Paper finds bigger teachers can hurt diffusion distillation unless the critic scales too

According to a post on X by @zongze_wu, a paper from Adobe and MIT studies Distribution Matching Distillation, a method for compressing diffusion models into few-step students. The paper finds that growing the teacher while keeping a small critic can degrade the few-step student and even collapse training. The authors report that scaling the critic with the teacher, along with a step-aware critic they call STAC, consistently improved few-step image and video generation on ImageNet, SDXL, FLUX.2 and Wan2.1.

Source: Scobleizer News Pulse (X) · x.com Found via Robert Scoble’s Scobleizer News Pulse · a post on X, not independently verified Published 2026-11-03T14:40:00+00:00 Detected 2026-11-03T18:26:55+00:00
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According to a post on X by @zongze_wu, a paper from Adobe and MIT studies Distribution Matching Distillation, a method for compressing diffusion models into few-step students. The paper finds that growing the teacher while keeping a small critic can degrade the few-step student and even collapse training. The authors report that scaling the critic with the teacher, along with a step-aware critic they call STAC, consistently improved few-step image and video generation on ImageNet, SDXL, FLUX.2 and Wan2.1.

AI-assisted summary based on the listed source.

The paper finds that in Distribution Matching Distillation, growing the teacher while keeping a small critic can degrade the few-step student and even collapse training. Scaling the critic with the teacher, plus a step-aware critic the authors call STAC, consistently improved few-step image and video generation on...

Teams distilling large image or video diffusion models may need to scale the critic alongside the teacher rather than keeping it small. The post's snippet is cut off before fully spelling out the implications, so the exact guidance is not visible here. Watch for the full paper and any independent tests of STAC on other models.

Signal Strength 95% Technical label WATCH Public Interest 26 Category RESEARCH Reader Depth TECHNICAL

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Recognizable Entity Score 0 Practical Impact Score 8 Novelty Interest Score 70 Consequence Score 18 Curiosity Score 32 Shareability Score 42

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