The current model is based on flux.1[dev] for clip_l model merging.
The clip_l model using the following model:

https://civitai.com/models/338712/pvc-style-modelmovable-figure-model-xl ([PVC Style Model]Movable figure model XL)

and

https://civitai.com/models/257749/pony-diffusion-v6-xl (Pony Diffusion V6 XL)

Note: It cannot be used commercially under the license of flux-dev.