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Model Description

Mugen is a continuation of the NoobAI Flux2 v0.3, renamed to signify a substantial divergence from the original NoobAI models.

It has been trained for 7 additional epochs.

Developed by: Cabal Research (Bluvoll, Anzhc)
Funded by: Community
License: fair-ai-public-license-1.0-sd
Finetuned from model: NoobAI Flux2 VAE experiment

Bias and Limitations

General data biases from Danbooru might apply.

Flux 2 VAE seem to have brown bias overall, which can be alleviated by adding sepia or brown theme to negative.

Model Output Examples

Recommendations

Inference

Comfy

(Workflow is available alongside model in repo) We will provide a Node, and hope it will be adapted natively in main repo eventually:
https://github.com/Anzhc/SDXL-Flux2VAE-ComfyUI-Node

Seems like you don't need to use the node itself, patch is applied without it.

Apparently works in SwarmUI as is.

Same as your normal inference, but with addition of SD3 sampling node, as this model is Flow-based.

Recommended Parameters:
Sampler: Euler A, Euler, DPM++ SDE, etc.
Steps: 20-28
CFG: 4-6
Shift: 8-12
Schedule: Normal/Simple/SGM Uniform
Positive Quality Tags: masterpiece, best quality
Negative Tags: worst quality, normal quality, bad anatomy, sepia

A1111 WebUI

(All screenshots are repeating our RF release, as there is no difference in setup)

Recommended WebUI: ReForge - has native support for Flow models, and we've PR'd our native support for Flux2vae-based SDXL modification.

How to use in ReForge:

(ignore Sigma max field at the top, this is not used in RF)

Support for RF in ReForge is being implemented through a built-in extension:

Set parameters to that, and you're good to go.

Flux2VAE does not currently have an appropriate high quality preview method, please use Approx Cheap option, which would allow you to see simple PCA projection(ReForge).

Recommended Parameters:
Sampler: Euler A Comfy RF, Euler A2, Euler, DPM++ SDE Comfy, etc. ALL VARIANTS MUST BE RF OR COMFY, IF AVAILABLE. In ComfyUI routing is automatic, but not in the case of WebUI.
Steps: 20-28
CFG: 4-6(or 7-15, if it appears to be weak/bugged)
Shift: 8-12
Schedule: Normal/Simple/SGM Uniform
Positive Quality Tags: masterpiece, best quality
Negative Tags: worst quality, normal quality, bad anatomy, sepia

ADETAILER FIX FOR RF: By default, Adetailer discards Advanced Model Sampling extension, which breaks RF. You need to add AMS to this part of settings:

Add: advanced_model_sampling_script,advanced_model_sampling_script_backported to there.

If that does not work, go into adetailer extension, find args.py, open it, replace _builtin_scripts like this:

Here is a copypaste for easy copy:

_builtin_script = (
    "advanced_model_sampling_script",
    "advanced_model_sampling_script_backported",
    "hypertile_script",
    "soft_inpainting",
)

Or use my fork of Adetailer - https://github.com/Anzhc/aadetailer-reforge