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I trained a small latent refiner to reduce GPT Image’s stipple and grid-like artifacts

This story is from 2026-08-24. It is preserved in the archive; the latest stories are on the live feed.

I kept seeing the same stipple, grain, and grid-like texture in some GPT Image outputs, so I trained a small latent residual refiner using 75 paired artifact/clean images. It includes profiles based on the Qwen, FLUX.2, and SDXL VAEs. The refiner alone produces a fairly subtle improvement, so I als…

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  1. 2026-08-24 09:16 · r/StableDiffusion
    I trained a small latent refiner to reduce GPT Image’s stipple and grid-like artifacts

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