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---
license: apache-2.0
language:
- en
---
<p align="center">
<a href="https://rhymes.ai/" target="_blank"> Gallery</a> 路 <a href="https://github.com/rhymes-ai/Aria" target="_blank">GitHub</a> 路 <a href="https://www.rhymes.ai/blog-details/" target="_blank">Blog</a> 路 <a href="https://arxiv.org/pdf/2410.05993" target="_blank">Paper</a> 路 <a href="https://discord" target="_blank">Discord</a>
</p>
# Gallery
<img src="https://huggingface.co/rhymes-ai/Allegro/resolve/main/gallery.gif" width="1000" height="800"/>For more demos and corresponding prompts, see the [Allegro Gallery](TBD).
# Key Feature
Allegro is capable of producing high-quality, 6-second videos at 30 frames per second and 720p resolution from simple text prompts.
# Model info
<table>
<tr>
<th>Model</th>
<td>Allegro</td>
</tr>
<tr>
<th>Description</th>
<td>Text-to-Video Diffusion Transformer</td>
</tr>
<tr>
<th>Download</th>
<td><HF link - TBD></td>
</tr>
<tr>
<th rowspan="2">Parameter</th>
<td>VAE: 175M</td>
</tr>
<tr>
<td>DiT: 2.8B</td>
</tr>
<tr>
<th rowspan="2">Inference Precision</th>
<td>VAE: FP32/TF32/BF16/FP16 (best in FP32/TF32)</td>
</tr>
<tr>
<td>DiT/T5: BF16/FP32/TF32</td>
</tr>
<tr>
<th>Context Length</th>
<td>79.2k</td>
</tr>
<tr>
<th>Resolution</th>
<td>720 x 1280</td>
</tr>
<tr>
<th>Frames</th>
<td>88</td>
</tr>
<tr>
<th>Video Length</th>
<td>6 seconds @ 15 fps</td>
</tr>
<tr>
<th>Single GPU Memory Usage</th>
<td>9.3G BF16 (with cpu_offload)</td>
</tr>
</table>
# Quick start
You can quickly get started with Allegro using the Hugging Face Diffusers library.
For more tutorials, see Allegro GitHub (link-tbd).
Install necessary requirements:
```python
pip install diffusers transformers imageio
```
Inference on single gpu:
```python
from diffusers import DiffusionPipeline
import torch
allegro_pipeline = DiffusionPipeline.from_pretrained(
"rhythms-ai/allegro", trust_remote_code=True, torch_dtype=torch.bfloat16
).to("cuda")
allegro_pipeline.vae = allegro_pipeline.vae.to(torch.float32)
prompt = "a video of an astronaut riding a horse on mars"
positive_prompt = """
(masterpiece), (best quality), (ultra-detailed), (unwatermarked),
{}
emotional, harmonious, vignette, 4k epic detailed, shot on kodak, 35mm photo,
sharp focus, high budget, cinemascope, moody, epic, gorgeous
"""
negative_prompt = """
nsfw, lowres, bad anatomy, bad hands, text, error, missing fingers, extra digit, fewer digits, cropped, worst quality,
low quality, normal quality, jpeg artifacts, signature, watermark, username, blurry.
"""
num_sampling_steps, guidance_scale, seed = 100, 7.5, 42
user_prompt = positive_prompt.format(args.user_prompt.lower().strip())
out_video = allegro_pipeline(
user_prompt,
negative_prompt=negative_prompt,
num_frames=88,
height=720,
width=1280,
num_inference_steps=num_sampling_steps,
guidance_scale=guidance_scale,
max_sequence_length=512,
generator = torch.Generator(device="cuda:0").manual_seed(seed)
).video[0]
imageio.mimwrite("test_video.mp4", out_video, fps=15, quality=8)
```
# License
This repo is released under the Apache 2.0 License.
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