Open-Sora

An open-source video generation project releasing models, training code and tools for text-to-video.

FreeProprietaryLinuxCommand line
Official websitegithub.com

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About Open-Sora

Open-Sora is an initiative to produce high-quality video generation efficiently and make the models, tools and training details available to everyone. The repository contains the model code, configurations, scripts and a Gradio interface for generating clips locally.

It suits researchers and developers who want to run, study or train an open video generation model on their own hardware, rather than use a hosted service.

Strengths

  • Models, training code and details published openly
  • Gradio interface for local generation
  • Active project with a large community

Limitations

  • Requires powerful GPUs
  • Setup needs Python and machine learning experience

Details

Pricing
FreeFree to download and run from the GitHub repository.
License
Proprietary
Developer
HPC-AI Tech
Platforms
Linux, Command line
How it runs
Downloadable app
Account
Not required
Works offline
Yes
Best suited for
Researchers and developers running or training open video models
Last verified
Added

Alternatives to Open-Sora

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Software that can replace Open-Sora for an important use case, and what changes if you switch.

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    HunyuanVideo publishes Tencent's text-to-video weights and inference code with a Gradio interface, under a custom licence and needing a high-end GPU.

  • Wan 2.2

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    Wan 2.2 is Apache-2.0 licensed with model variants for different GPU sizes, and runs on Windows as well as Linux through scripts.

  • CogVideoX

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    CogVideoX provides text-to-video and image-to-video models with fine-tuning code and online demos, with weights under their own licence terms.

  • Mochi 1 (Genmo)

    Open state-of-the-art video generation model from research lab Genmo.

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    Mochi 1 from Genmo has Apache-2.0 open weights and consumer-GPU support via ComfyUI, though repository activity has not been reflected since late 2025.

  • LTX-2

    Open local video model that generates synchronized audio and video.

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    LTX-2 generates synchronized audio and video with an official LoRA trainer, runs on Windows and Linux, and has non-standard license terms.

  • Wan2GP

    A local AI video generator built to run open video and image models on low-memory GPUs.

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    Wan2GP is a local app that runs several open video models on low-memory GPUs with plugins, rather than a research codebase for training.

  • FramePack

    Local image-to-video generator that predicts frames progressively so it runs on consumer GPUs.

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    FramePack is an Apache-2.0 image-to-video tool designed for consumer GPUs with a Gradio interface, without published training code.

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