| <h1 align="center"><img src="https://i.imgur.com/HsWXQTW.png" width="24px" alt="logo" /> Hotshot-XL</h1> | |
| <h1 align="center"> | |
| <a href="https://www.hotshot.co">🌐 Try it</a> | |
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| <a href="https://huggingface.co/hotshotco/Hotshot-XL">🃏 Model card</a> | |
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| <a href="https://discord.gg/85pqA3GG">💬 Discord</a> | |
| </h1> | |
| <p align="center"> | |
| <img src="https://dvfx9cgvtgnyd.cloudfront.net/hotshot/image-gen/gif_e8a50e1e-0b2e-4ebc-8229-817703585405.gif" alt="a barbie doll smiling in kitchen, oven on fire, disaster, pink wes anderson vibes, cinematic" width="195px" height="111.42px"/> | |
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| <img src="https://dvfx9cgvtgnyd.cloudfront.net/hotshot/image-gen/gif_f6ca56a3-30b8-4b2a-9342-111353e85b96.gif" alt="a teddy bear writing a letter" width="195px" height="111.42px"/> | |
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| <img src="https://dvfx9cgvtgnyd.cloudfront.net/hotshot/image-gen/gif_6c219102-7f72-45e9-b4fa-b7a07c004ae1.gif" alt="dslr photo of mark zuckerberg happy, pulling on threads, lots of threads everywhere, laughing, hd, 8k" width="195px" height="111.42px"/> | |
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| <img src="https://dvfx9cgvtgnyd.cloudfront.net/hotshot/image-gen/gif_2dd3c30f-42c5-4f37-8fa6-b2494fcac4b4.gif" alt="a cat laughing" width="195px" height="111.42px"/> | |
| | |
| </p> | |
| Hotshot-XL is an AI text-to-GIF model trained to work alongside [Stable Diffusion XL](https://stability.ai/stable-diffusion). | |
| Hotshot-XL can generate GIFs with any fine-tuned SDXL model. This means two things: | |
| 1. You’ll be able to make GIFs with any existing or newly fine-tuned SDXL model you may want to use. | |
| 2. If you'd like to make GIFs of personalized subjects, you can load your own SDXL based LORAs, and not have to worry about fine-tuning Hotshot-XL. This is awesome because it’s usually much easier to find suitable images for training data than it is to find videos. It also hopefully fits into everyone's existing LORA usage/workflows :) See more [here](#text-to-gif-with-personalized-loras). | |
| Hotshot-XL is compatible with SDXL ControlNet to make GIFs in the composition/layout you’d like. See the [ControlNet](#text-to-gif-with-controlnet) section below. | |
| Hotshot-XL was trained to generate 1 second GIFs at 8 FPS. | |
| Hotshot-XL was trained on various aspect ratios. For best results with the base Hotshot-XL model, we recommend using it with an SDXL model that has been fine-tuned with 512x512 images. You can find an SDXL model we fine-tuned for 512x512 resolutions [here](https://huggingface.co/hotshotco/SDXL-512). | |
| # 🌐 Try It | |
| Try Hotshot-XL yourself here: https://www.hotshot.co | |
| Or, if you'd like to run Hotshot-XL yourself locally, continue on to the sections below. | |
| If you’re running Hotshot-XL yourself, you are going to be able to have a lot more flexibility/control with the model. As a very simple example, you’ll be able to change the sampler. We’ve seen best results with Euler-A so far, but you may find interesting results with some other ones. | |
| # 🔧 Setup | |
| ### Environment Setup | |
| ``` | |
| pip install virtualenv --upgrade | |
| virtualenv -p $(which python3) venv | |
| source venv/bin/activate | |
| pip install -r requirements.txt | |
| ``` | |
| ### Download the Hotshot-XL Weights | |
| ``` | |
| # Make sure you have git-lfs installed (https://git-lfs.com) | |
| git lfs install | |
| git clone https://huggingface.co/hotshotco/Hotshot-XL | |
| ``` | |
| or visit [https://huggingface.co/hotshotco/Hotshot-XL](https://huggingface.co/hotshotco/Hotshot-XL) | |
| ### Download our fine-tuned SDXL model (or BYOSDXL) | |
| - *Note*: To maximize data and training efficiency, Hotshot-XL was trained at various aspect ratios around 512x512 resolution. For best results with the base Hotshot-XL model, we recommend using it with an SDXL model that has been fine-tuned with images around the 512x512 resolution. You can download an SDXL model we trained with images at 512x512 resolution below, or bring your own SDXL base model. | |
| ``` | |
| # Make sure you have git-lfs installed (https://git-lfs.com) | |
| git lfs install | |
| git clone https://huggingface.co/hotshotco/SDXL-512 | |
| ``` | |
| or visit [https://huggingface.co/hotshotco/SDXL-512](https://huggingface.co/hotshotco/SDXL-512) | |
| # 🔮 Inference | |
| ### Text-to-GIF | |
| ``` | |
| python inference.py \ | |
| --prompt="a bulldog in the captains chair of a spaceship, hd, high quality" \ | |
| --output="output.gif" | |
| ``` | |
| *What to Expect:* | |
| | **Prompt** | Sasquatch scuba diving | a camel smoking a cigarette | Ronald McDonald sitting at a vanity mirror putting on lipstick | drake licking his lips and staring through a window at a cupcake | | |
| |-----------|----------|----------|----------|----------| | |
| | **Output** | <img src="https://dvfx9cgvtgnyd.cloudfront.net/hotshot/image-gen/gif_441b7ea2-9887-4124-a52b-14c9db1d15aa.gif" /> | <img src="https://dvfx9cgvtgnyd.cloudfront.net/hotshot/image-gen/gif_7956a022-0464-4441-88b8-15a6de953335.gif"/> | <img src="https://dvfx9cgvtgnyd.cloudfront.net/hotshot/image-gen/gif_35f55a64-7ed9-498e-894e-6ec7a8026fba.gif"/> | <img src="https://dvfx9cgvtgnyd.cloudfront.net/hotshot/image-gen/gif_df5f52cb-d74d-40b5-a066-2ce567dae512.gif"/> | | |
| ### Text-to-GIF with personalized LORAs | |
| ``` | |
| python inference.py \ | |
| --prompt="a bulldog in the captains chair of a spaceship, hd, high quality" \ | |
| --output="output.gif" \ | |
| --spatial_unet_base="path/to/stabilityai/stable-diffusion-xl-base-1.0/unet" \ | |
| --lora="path/to/lora" | |
| ``` | |
| *What to Expect:* | |
| *Note*: The outputs below use the DDIMScheduler. | |
| | **Prompt** | sks person screaming at a capri sun | sks person kissing kermit the frog | sks person wearing a tuxedo holding up a glass of champagne, fireworks in background, hd, high quality, 4K | | |
| |-----------|----------|----------|----------| | |
| | **Output** | <img src="https://dvfx9cgvtgnyd.cloudfront.net/hotshot/inf-temp/79a20eae-ffeb-4d24-8d22-609fa77c292f.gif" /> | <img src="https://dvfx9cgvtgnyd.cloudfront.net/hotshot/r/aakash.gif" /> | <img src="https://dvfx9cgvtgnyd.cloudfront.net/hotshot/inf-temp/4fa34a16-2835-4a12-8c59-348caa4f3891.gif" /> | | |
| ### Text-to-GIF with ControlNet | |
| ``` | |
| python inference.py \ | |
| --prompt="a girl jumping up and down and pumping her fist, hd, high quality" \ | |
| --output="output.gif" \ | |
| --control_type="depth" \ | |
| --gif="https://media1.giphy.com/media/v1.Y2lkPTc5MGI3NjExbXNneXJicG1mOHJ2dzQ2Y2JteDY1ZWlrdjNjMjl3ZWxyeWFxY2EzdyZlcD12MV9pbnRlcm5hbF9naWZfYnlfaWQmY3Q9Zw/YOTAoXBgMCmFeQQzuZ/giphy.gif" | |
| ``` | |
| By default, Hotshot-XL will create key frames from your source gif using 8 equally spaced frames and crop the keyframes to the default aspect ratio. For finer grained control, learn how to [vary aspect ratios](#varying-aspect-ratios) and [vary frame rates/lengths](#varying-frame-rates--lengths-experimental). | |
| Hotshot-XL currently supports the use of one ControlNet model at a time; supporting Multi-ControlNet would be [exciting](#-further-work). | |
| *What to Expect:* | |
| | **Prompt** | pixar style girl putting two thumbs up, happy, high quality, 8k, 3d, animated disney render | keanu reaves holding a sign that says "HELP", hd, high quality | a woman laughing, hd, high quality | barack obama making a rainbow with their hands, the word "MAGIC" in front of them, wearing a blue and white striped hoodie, hd, high quality | | |
| |-----------|----------|----------|----------|----------| | |
| | **Output** | <img src="https://dvfx9cgvtgnyd.cloudfront.net/hotshot/inf-temp/387d8b68-7289-45e3-9b21-1a9e6ad8a782.gif"/> | <img src="https://dvfx9cgvtgnyd.cloudfront.net/hotshot%2Finf-temp/047543b2-d499-4de8-8fd2-3712c3a6c446.gif"/> | <img src="https://dvfx9cgvtgnyd.cloudfront.net/hotshot/inf-temp/8f50f4d8-4b86-4df7-a643-aae3e9d8634d.gif"> | <img src="https://dvfx9cgvtgnyd.cloudfront.net/hotshot/inf-temp/c133d8b7-46ad-4469-84fd-b7f7444a47a0.gif"/> | | |
| | **Control** |<img src="https://media1.giphy.com/media/3o6Zt8qDiPE2d3kayI/giphy.gif?cid=ecf05e47igskj73xpl62pv8kyk9m39brlualxcz1j68vk8ul&ep=v1_gifs_related&rid=giphy.gif&ct=g"/> | <img src="https://media2.giphy.com/media/IoXVrbzUIuvTy/giphy.gif?cid=ecf05e47ill5r35i1bhxk0tr7quqbpruqivjtuy7gcgkfmx5&ep=v1_gifs_search&rid=giphy.gif&ct=g"/> | <img src="https://media0.giphy.com/media/12msOFU8oL1eww/giphy.gif"> | <img src="https://media4.giphy.com/media/3o84U6421OOWegpQhq/giphy.gif?cid=ecf05e47eufup08cz2up9fn9bitkgltb88ez37829mxz43cc&ep=v1_gifs_related&rid=giphy.gif&ct=g"/> | | |
| ### Varying Aspect Ratios | |
| - *Note*: The base SDXL model is trained to best create images around 1024x1024 resolution. To maximize data and training efficiency, Hotshot-XL was trained at aspect ratios around 512x512 resolution. Please see [Additional Notes](#supported-aspect-ratios) for a list of aspect ratios the base Hotshot-XL model was trained with. | |
| Like SDXL, Hotshot-XL was trained at various aspect ratios with aspect ratio bucketing, and includes support for SDXL parameters like target-size and original-size. This means you can create GIFs at several different aspect ratios and resolutions, just with the base Hotshot-XL model. | |
| ``` | |
| python inference.py \ | |
| --prompt="a bulldog in the captains chair of a spaceship, hd, high quality" \ | |
| --output="output.gif" \ | |
| --width=<WIDTH> \ | |
| --height=<HEIGHT> | |
| ``` | |
| *What to Expect:* | |
| | | 512x512 | 672x384 | 384x672 | | |
| |-----------|----------|----------|----------| | |
| | **a monkey playing guitar, nature footage, hd, high quality** | <img src="https://dvfx9cgvtgnyd.cloudfront.net/hotshot/inf-temp/2295c6af-c345-47a4-8afe-62e77f84141b.gif"/> | <img src="https://dvfx9cgvtgnyd.cloudfront.net/hotshot/inf-temp/909a86c5-60df-459a-b662-ce4e85706303.gif"/> | <img src="https://dvfx9cgvtgnyd.cloudfront.net/hotshot/inf-temp/8512854d-66ea-41ff-919e-6e36d6e6a541.gif"> | | |
| ### Varying frame rates & lengths (*Experimental*) | |
| By default, Hotshot-XL is trained to generate GIFs that are 1 second long with 8FPS. If you'd like to play with generating GIFs with varying frame rates and time lengths, you can try out the parameters `video_length` and `video_duration`. | |
| `video_length` sets the number of frames. The default value is 8. | |
| `video_duration` sets the runtime of the output gif in milliseconds. The default value is 1000. | |
| Please note that you should expect unstable/"jittery" results when modifying these parameters as the model was only trained with 1s videos @ 8fps. You'll be able to improve the stability of results for different time lengths and frame rates by [fine-tuning Hotshot-XL](#-fine-tuning). Please let us know if you do! | |
| ``` | |
| python inference.py \ | |
| --prompt="a bulldog in the captains chair of a spaceship, hd, high quality" \ | |
| --output="output.gif" \ | |
| --video_length=16 \ | |
| --video_duration=2000 | |
| ``` | |
| ### Spatial Layers Only | |
| Hotshot-XL is trained to generate GIFs alongside SDXL. If you'd like to generate just an image, you can simply set `video_length=1` in your inference call and the Hotshot-XL temporal layers will be ignored, as you'd expect. | |
| ``` | |
| python inference.py \ | |
| --prompt="a bulldog in the captains chair of a spaceship, hd, high quality" \ | |
| --output="output.jpg" \ | |
| --video_length=1 | |
| ``` | |
| ### Additional Notes | |
| #### Supported Aspect Ratios | |
| Hotshot-XL was trained at the following aspect ratios; to reliably generate GIFs outside the range of these aspect ratios, you will want to fine-tune Hotshot-XL with videos at the resolution of your desired aspect ratio. | |
| | Aspect Ratio | Size | | |
| |--------------|------| | |
| | 0.42 |320 x 768| | |
| | 0.57 |384 x 672| | |
| | 0.68 |416 x 608| | |
| | 1.00 |512 x 512| | |
| | 1.46 |608 x 416| | |
| | 1.75 |672 x 384| | |
| | 2.40 |768 x 320| | |
| # 💪 Fine-Tuning | |
| The following section relates to fine-tuning the Hotshot-XL temporal model with additional text/video pairs. If you're trying to generate GIFs of personalized concepts/subjects, we'd recommend not fine-tuning Hotshot-XL, but instead training your own SDXL based LORAs and [just loading those](#text-to-gif-with-personalized-loras). | |
| ### Fine-Tuning Hotshot-XL | |
| #### Dataset Preparation | |
| The `fine_tune.py` script expects your samples to be structured like this: | |
| ``` | |
| fine_tune_dataset | |
| ├── sample_001 | |
| │ ├── 0.jpg | |
| │ ├── 1.jpg | |
| │ ├── 2.jpg | |
| ... | |
| ... | |
| │ ├── n.jpg | |
| │ └── prompt.txt | |
| ``` | |
| Each sample directory should contain your **n key frames** and a `prompt.txt` file which contains the prompt. | |
| The final checkpoint will be saved to `output_dir`. | |
| We've found it useful to send validation GIFs to [Weights & Biases](www.wandb.ai) every so often. If you choose to use validation with Weights & Biases, you can set how often this runs with the `validate_every_steps` parameter. | |
| ``` | |
| accelerate launch fine_tune.py \ | |
| --output_dir="<OUTPUT_DIR>" \ | |
| --data_dir="fine_tune_dataset" \ | |
| --report_to="wandb" \ | |
| --run_validation_at_start \ | |
| --resolution=512 \ | |
| --mixed_precision=fp16 \ | |
| --train_batch_size=4 \ | |
| --learning_rate=1.25e-05 \ | |
| --lr_scheduler="constant" \ | |
| --lr_warmup_steps=0 \ | |
| --max_train_steps=1000 \ | |
| --save_n_steps=20 \ | |
| --validate_every_steps=50 \ | |
| --vae_b16 \ | |
| --gradient_checkpointing \ | |
| --noise_offset=0.05 \ | |
| --snr_gamma \ | |
| --test_prompts="man sits at a table in a cafe, he greets another man with a smile and a handshakes" | |
| ``` | |
| # 📝 Further work | |
| There are lots of ways we are excited about improving Hotshot-XL. For example: | |
| - [ ] Fine-Tuning Hotshot-XL at larger frame rates to create longer/higher frame-rate GIFs | |
| - [ ] Fine-Tuning Hotshot-XL at larger resolutions to create higher resolution GIFs | |
| - [ ] Training temporal layers for a latent upscaler to produce higher resolution GIFs | |
| - [ ] Training an image conditioned "frame prediction" model for more coherent, longer GIFs | |
| - [ ] Training temporal layers for a VAE to mitigate flickering/dithering in outputs | |
| - [ ] Supporting Multi-ControlNet for greater control over GIF generation | |
| - [ ] Training & integrating different ControlNet models for further control over GIF generation (finer facial expression control would be very cool) | |
| - [ ] Moving Hotshot-XL into [AITemplate](https://github.com/facebookincubator/AITemplate) for faster inference times | |
| We 💗 contributions from the open-source community! Please let us know in the issues or PRs if you're interested in working on these improvements or anything else! | |
| # 🙏 Acknowledgements | |
| Text-to-Video models are improving quickly and the development of Hotshot-XL has been greatly inspired by the following amazing works and teams: | |
| - [SDXL](https://stability.ai/stable-diffusion) | |
| - [Align Your Latents](https://research.nvidia.com/labs/toronto-ai/VideoLDM/) | |
| - [Make-A-Video](https://makeavideo.studio/) | |
| - [AnimateDiff](https://animatediff.github.io/) | |
| - [Imagen Video](https://imagen.research.google/video/) | |
| We hope that releasing this model/codebase helps the community to continue pushing these creative tools forward in an open and responsible way. | |