Ostris trains MOSS Image with Primal VAE: 4K at 1080p compute cost

Crazy-Repeat-2006 · reddit · 2026-10-31

Ostris is training the MOSS Image model with his Primal VAE (previously released as better than Flux.2's VAE), claiming 4K images at the computational cost of 1080p. Details in his X post and the prior r/StableDiffusion thread on Primal VAE.

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