Stable Diffusion 3.5 Large

SD 3.5 Large Standard Checkpoint
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Stable Diffusion 3.5 Large Workflow

Please see our Quickstart Guide to Stable Diffusion 3.5 for all the latest info!

Stable Diffusion 3.5 Large is a Multimodal Diffusion Transformer (MMDiT) text-to-image model that features improved performance in image quality, typography, complex prompt understanding, and resource-efficiency.

Please note: This model is released under the Stability Community License. Visit Stability AI to learn or contact us for commercial licensing details.

Model Description

  • Developed by: Stability AI

  • Model type: MMDiT text-to-image generative model

  • Model Description: This model generates images based on text prompts. It is a Multimodal Diffusion Transformer that use three fixed, pretrained text encoders, and with QK-normalization to improve training stability.

License

  • Community License: Free for research, non-commercial, and commercial use for organizations or individuals with less than $1M in total annual revenue. More details can be found in the Community License Agreement. Read more at https://stability.ai/license.

  • For individuals and organizations with annual revenue above $1M: please contact us to get an Enterprise License.

Implementation Details

  • QK Normalization: Implements the QK normalization technique to improve training Stability.

  • Text Encoders：

  • Training Data and Strategy:

    This model was trained on a wide variety of data, including synthetic data and filtered publicly available data.

For more technical details of the original MMDiT architecture, please refer to the Research paper.

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