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AlignProp
Python

AlignProp

AlignProp uses direct reward backpropogation for the alignment of large-scale text-to-image diffusion models. Our method is 25x more sample and compute efficient than reinforcement learning methods (PPO) for finetuning Stable Diffusion

by mihirp1998 · GitHub
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alignmentdiffusion-modelsreinforcement-learningMITPython
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Fine-tune text-to-image models to improve their image quality and alignment with text descriptions.

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2026-07-202026-08-31
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📄 About

AlignProp uses direct reward backpropogation for the alignment of large-scale text-to-image diffusion models. Our method is 25x more sample and compute efficient than reinforcement learning methods (PPO) for finetuning Stable Diffusion

AlignProp has 324 stars on GitHub. It has been forked 11 times. AlignProp is written mainly in Python. It has been in active development since 2023. AlignProp is available under the MIT license. Its main topics are alignment, diffusion-models, reinforcement-learning, stable-diffusion.

Frequently asked questions

What is AlignProp?

AlignProp uses direct reward backpropogation for the alignment of large-scale text-to-image diffusion models. Our method is 25x more sample and compute efficient than reinforcement learning methods (PPO) for finetuning Stable Diffusion

Is AlignProp open source?

AlignProp is an open-source project. It is released under the MIT license.

Is AlignProp free?

Yes. AlignProp is free and open source — you can use, modify and self-host it.

What license does AlignProp use?

AlignProp is available under the MIT license.

What language is AlignProp written in?

AlignProp is written mainly in Python.

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