Ostris Pretrains Primal VAE, a Radical Single-Channel Approach

Developer ostris is pretraining "Primal VAE," a radical design with only 2x spatial downsampling to a single channel; patch 4 on the latents yields an effective 8x compression.

2026-10-26 ~ 2026-10-26 · 3 related posts

• ostris pre-training "Primal VAE": 1-channel latents match modern 8x VAEs via patching — ostrisai · 2026-10-26
• ostris Pretrains 'Primal VAE': Aggressive 2x-Downsample, 1-Channel Latent Design — ostrisai · 2026-10-26
• Ostris pre-trains "Primal VAE": 2x spatial downsampling to a single channel — Crazy-Repeat-2006 · 2026-10-26