I used the tip from comfy.org for merging just the Flux.1-Dev double_blocks (MM-DiT) onto Flux.1-Schnell, giving you a higher quality model that still runs in just 4 steps! https://blog.comfy.org/august-2024-flux-support-new-frontend-for-loops-and-more

Original Source: https://civitai.com/models/628862?modelVersionId=703068