How to use from the
Use from the
Diffusers library
pip install -U diffusers transformers accelerate
import torch
from diffusers import DiffusionPipeline

# switch to "mps" for apple devices
pipe = DiffusionPipeline.from_pretrained("BreakpointAI/boxnet3", dtype=torch.bfloat16, device_map="cuda")

prompt = "Astronaut in a jungle, cold color palette, muted colors, detailed, 8k"
image = pipe(prompt).images[0]

boxnet3

Joint image + bounding-box diffusion model. Includes EMA weights.

Released by Breakpoint AI as part of open-sourcing the company's research artifacts.

Training data BreakpointAI/breakpoint-grounding-55m
Checkpoint step 20,000
Training run W&B

Contents

Path Size What it is
ema/ 3.0 GB EMA weights for the backbone
boxnet/ 3.0 GB Joint image + bounding-box diffusion backbone

Inference weights only. Optimizer, LR scheduler, RNG and dataloader state were not uploaded, so this checkpoint cannot be used to resume training.

Citation

@misc{breakpoint_boxnet3,
  title  = {boxnet3},
  author = {Wang, Franklin and Zhong, Desmond and Murdoch, Jamie},
  year   = {2026},
  url    = {https://huggingface.co/BreakpointAI/boxnet3}
}
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