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Efficient-Large-Model/
Sana_1600M_1024px_BF16

Name: Sana_1600M_1024px_BF16
Availability: InStock

sana

text-to-image

Sana

1024px_based_image_size

BF16

2410.10629

Efficient-Large-Model/Sana_1600M_1024px

finetune

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🐱 Sana Model Card

Model

We introduce Sana, a text-to-image framework that can efficiently generate images up to 4096 × 4096 resolution. Sana can synthesize high-resolution, high-quality images with strong text-image alignment at a remarkably fast speed, deployable on laptop GPU.

Source code is available at https://github.com/NVlabs/Sana.

Model Description

Developed by: NVIDIA, Sana
Model type: Linear-Diffusion-Transformer-based text-to-image generative model
Model size: 1648M parameters
Model precision: torch.bfloat16 (BF16)
Model resolution: This model is developed to generate 1024px based images with multi-scale heigh and width.
License: Apache License 2.0. Additional Information: Gemma Terms of Use | Google AI for Developers for Gemma-2-2B-IT, Gemma Prohibited Use Policy | Google AI for Developers.
Model Description: This is a model that can be used to generate and modify images based on text prompts. It is a Linear Diffusion Transformer that uses one fixed, pretrained text encoders (Gemma2-2B-IT) and one 32x spatial-compressed latent feature encoder (DC-AE).
Resources for more information: Check out our GitHub Repository and the Sana report on arXiv.

Model Sources

For research purposes, we recommend our generative-models Github repository (https://github.com/NVlabs/Sana), which is more suitable for both training and inference and for which most advanced diffusion sampler like Flow-DPM-Solver is integrated. MIT Han-Lab provides free Sana inference.

Repository: ttps://github.com/NVlabs/Sana
Demo: https://nv-sana.mit.edu/

🧨 Diffusers

PR developing: Sana and DC-AE

License/Terms of Use

This model is released under the Apache License 2.0.

Uses

Direct Use

The model is intended for research purposes only. Possible research areas and tasks include

Generation of artworks and use in design and other artistic processes.
Applications in educational or creative tools.
Research on generative models.
Safe deployment of models which have the potential to generate harmful content.
Probing and understanding the limitations and biases of generative models.

Excluded uses are described below.

Out-of-Scope Use

The model was not trained to be factual or true representations of people or events, and therefore using the model to generate such content is out-of-scope for the abilities of this model.

Limitations and Bias

Limitations

The model does not achieve perfect photorealism
The model cannot render complex legible text
fingers, .etc in general may not be generated properly.
The autoencoding part of the model is lossy.

Bias

While the capabilities of image generation models are impressive, they can also reinforce or exacerbate social biases.

Efficient-Large-Model/Sana_1600M_1024px_BF16