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DiffSynth-Studio/
Template-KleinBase4B-PandaMeme

safetensors

2604.24351

apache-2.0

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Templates-PandaMeme (FLUX.2-klein-base-4B)

This model is part of the first batch of Diffusion Templates series models open-sourced by DiffSynth-Studio. It's an Easter egg model capable of generating various quirky panda-head meme images.

Open-source code: DiffSynth-Studio
Technical report: arXiv
Project page: GitHub
Documentation: English Version、中文版
Online demo: ModelScope
Models: ModelScope、ModelScope International、HuggingFace
Datasets: ModelScope、ModelScope International、HuggingFace

Demo

Prompt: A meme with a happy expression.	Prompt: A meme with a sleepy expression.	Prompt: A meme with a surprised expression.

Inference Code

Install DiffSynth-Studio

git clone https://github.com/modelscope/DiffSynth-Studio.git
cd DiffSynth-Studio
pip install -e .

Direct inference (requires 40G GPU memory)

python

from diffsynth.diffusion.template import TemplatePipeline
from diffsynth.pipelines.flux2_image import Flux2ImagePipeline, ModelConfig
import torch

pipe = Flux2ImagePipeline.from_pretrained(
    torch_dtype=torch.bfloat16,
    device="cuda",
    model_configs=[
        ModelConfig(model_id="black-forest-labs/FLUX.2-klein-base-4B", origin_file_pattern="transformer/*.safetensors"),
        ModelConfig(model_id="black-forest-labs/FLUX.2-klein-4B", origin_file_pattern="text_encoder/*.safetensors"),
        ModelConfig(model_id="black-forest-labs/FLUX.2-klein-4B", origin_file_pattern="vae/diffusion_pytorch_model.safetensors"),
    ],
    tokenizer_config=ModelConfig(model_id="black-forest-labs/FLUX.2-klein-4B", origin_file_pattern="tokenizer/"),
)
template = TemplatePipeline.from_pretrained(
    torch_dtype=torch.bfloat16,
    device="cuda",
    model_configs=[ModelConfig(model_id="DiffSynth-Studio/Template-KleinBase4B-PandaMeme")],
)
image = template(
    pipe,
    prompt="A meme with a sleepy expression.",
    seed=0, cfg_scale=4, num_inference_steps=50,
    template_inputs = [{}],
    negative_template_inputs = [{}],
)
image.save("image_PandaMeme_sleepy.jpg")
image = template(
    pipe,
    prompt="A meme with a happy expression.",
    seed=0, cfg_scale=4, num_inference_steps=50,
    template_inputs = [{}],
    negative_template_inputs = [{}],
)
image.save("image_PandaMeme_happy.jpg")
image = template(
    pipe,
    prompt="A meme with a surprised expression.",
    seed=0, cfg_scale=4, num_inference_steps=50,
    template_inputs = [{}],
    negative_template_inputs = [{}],
)
image.save("image_PandaMeme_surprised.jpg")

Enable lazy loading and memory management, requires 24G GPU memory

python

from diffsynth.diffusion.template import TemplatePipeline
from diffsynth.pipelines.flux2_image import Flux2ImagePipeline, ModelConfig
import torch

```python
vram_config = {
    "offload_dtype": "disk",
    "offload_device": "disk",
    "onload_dtype": torch.float8_e4m3fn,
    "onload_device": "cpu",
    "preparing_dtype": torch.float8_e4m3fn,
    "preparing_device": "cuda",
    "computation_dtype": torch.bfloat16,
    "computation_device": "cuda",
}
pipe = Flux2ImagePipeline.from_pretrained(
    torch_dtype=torch.bfloat16,
    device="cuda",
    model_configs=[
        ModelConfig(model_id="black-forest-labs/FLUX.2-klein-base-4B", origin_file_pattern="transformer/*.safetensors", **vram_config),
        ModelConfig(model_id="black-forest-labs/FLUX.2-klein-4B", origin_file_pattern="text_encoder/*.safetensors", **vram_config),
        ModelConfig(model_id="black-forest-labs/FLUX.2-klein-4B", origin_file_pattern="vae/diffusion_pytorch_model.safetensors"),
    ],
    tokenizer_config=ModelConfig(model_id="black-forest-labs/FLUX.2-klein-4B", origin_file_pattern="tokenizer/"),
    vram_limit=torch.cuda.mem_get_info("cuda")[1] / (1024 ** 3) - 0.5,
)
template = TemplatePipeline.from_pretrained(
    torch_dtype=torch.bfloat16,
    device="cuda",
    model_configs=[ModelConfig(model_id="DiffSynth-Studio/Template-KleinBase4B-PandaMeme")],
    lazy_loading=True,
)
image = template(
    pipe,
    prompt="A meme with a sleepy expression.",
    seed=0, cfg_scale=4, num_inference_steps=50,
    template_inputs = [{}],
    negative_template_inputs = [{}],
)
image.save("image_PandaMeme_sleepy.jpg")
image = template(
    pipe,
    prompt="A meme with a happy expression.",
    seed=0, cfg_scale=4, num_inference_steps=50,
    template_inputs = [{}],
    negative_template_inputs = [{}],
)
image.save("image_PandaMeme_happy.jpg")
image = template(
    pipe,
    prompt="A meme with a surprised expression.",
    seed=0, cfg_scale=4, num_inference_steps=50,
    template_inputs = [{}],
    negative_template_inputs = [{}],
)
image.save("image_PandaMeme_surprised.jpg")

Training Code

After installing DiffSynth-Studio, use the following script to start training. For more information, please refer to the DiffSynth-Studio Documentation.

shell

modelscope download --dataset DiffSynth-Studio/diffsynth_example_dataset --include "flux2/Template-KleinBase4B-PandaMeme/*" --local_dir ./data/diffsynth_example_dataset

accelerate launch examples/flux2/model_training/train.py \
  --dataset_base_path data/diffsynth_example_dataset/flux2/Template-KleinBase4B-PandaMeme \
  --dataset_metadata_path data/diffsynth_example_dataset/flux2/Template-KleinBase4B-PandaMeme/metadata.jsonl \
  --extra_inputs "template_inputs" \
  --max_pixels 1048576 \
  --dataset_repeat 50 \
  --model_id_with_origin_paths "black-forest-labs/FLUX.2-klein-4B:text_encoder/*.safetensors,black-forest-labs/FLUX.2-klein-base-4B:transformer/*.safetensors,black-forest-labs/FLUX.2-klein-4B:vae/diffusion_pytorch_model.safetensors" \
  --template_model_id_or_path "DiffSynth-Studio/Template-KleinBase4B-PandaMeme:" \
  --tokenizer_path "black-forest-labs/FLUX.2-klein-4B:tokenizer/" \
  --learning_rate 1e-4 \
  --num_epochs 2 \
  --remove_prefix_in_ckpt "pipe.template_model." \
  --output_path "./models/train/Template-KleinBase4B-PandaMeme_full" \
  --trainable_models "template_model" \
  --use_gradient_checkpointing \
  --find_unused_parameters