Ostris Open-Sources Primal VAE, Rivals FLUX with Light Compression

Developer ostris has open-sourced Primal VAE on Hugging Face, offering 2x1 and 2x2 variants that use only light spatial compression while matching or beating the FLUX.2 VAE in quality.

2026-10-31 ~ 2026-10-31 · 2 related posts

• Primal VAE released: 80M-param 2x VAE patches to match FLUX 1/2 latents — ostrisai · 2026-10-31

1 near-duplicate retellings: Crazy-Repeat-2006