schnellMODE (FLUX.S) - FP8, FP16, GGUF, NF4

A realistic layer mix of several schnell models (shuttle 3.1, shuttle 3.0, schnell base) picking the best layers from each to produce an aesthetic model.

v5.1 (photo) - More photographic fine tuning

v5.0 -adds in yet more fine tuning

v4.0 - Not published

v3.3 - adds in some minor fine-tuning

Don't forget to tip! Models like these take a lot of work to wrangle. Tip me some buzz!

NAG!

I highly recommend trying NAG with this checkpoint https://github.com/ChenDarYen/ComfyUI-NAG?tab=readme-ov-file

It gives you back control over negative prompts and can really increase the realism.

Recommended settings

Euler - Simple scheduler - 4 steps - CFG 1.0, using more steps = more details.

This checkpoint is capable of doing 2 Megapixel images without issue. Suggested Resolutions:

1MPix

1:1 - 1024 x 1024
4:3 - 1152 x 896
16:9 - 1344 x 768

1.5MPix

1:1 - 1280 x 1280
4:3 - 1440 x 1120
16:9 - 1680 x 960
21:9 - 1920 x 800

2Mpix
1:1 - 1408 x 1408
4:3 - 1664 x 1216
16:9 - 1920 x 1088

Recommended models by GPU VRAM

24Gb - FP8 / Q8 GGUF... or anything smaller

16Gb - FP8 / Q8 GGUF... or anything smaller

12Gb - FP8 / Q6_K GGUF / Q5_1 GGUF

8Gb - Q5_1 GGUF / Q4_1 GGUF / Q4_K GGUF

6Gb - Q3 GGUF / Q3K GGUF