Open-Sora is by hpcaitech — not by us.
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Indexed Sep 19, 2026 · 29,811 stars at index time. Maintainers: claiming verifies your identity and unlocks a higher assurance tier. Removal requests are honored.
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Open-Sora
unclaimed listingactively maintainedFreeApache-2.0
Open-Sora: Democratizing Efficient Video Production for All
by Open Source Community · New publisher
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hpcaitech/Open-Sora is an open-source project by hpcaitech: Open-Sora: Democratizing Efficient Video Production for All. Indexed here so it can be found — not resold.
It is free. Get it from the upstream repository: https://github.com/hpcaitech/Open-Sora
From the project's own README (excerpt, reproduced for discovery under its Apache-2.0 license):
Open-Sora: Democratizing Efficient Video Production for All
We design and implement Open-Sora, an initiative dedicated to efficiently producing high-quality video. We hope to make the model, tools and all details accessible to all. By embracing open-source principles, Open-Sora not only democratizes access to advanced video generation techniques, but also offers a streamlined and user-friendly platform that simplifies the complexities of video generation. With Open-Sora, our goal is to foster innovation, creativity, and inclusivity within the field of content creation.
🎬 For a professional AI video-generation product, try Video Ocean — powered by a superior model.
📰 News • [2025.03.12] 🔥 We released Open-Sora 2.0 (11B). 🎬 11B model achieves on-par performance with 11B HunyuanVideo & 30B Step-Video on 📐VBench & 📊Human Preference. 🛠️ Fully open-source: checkpoints and training codes for training with only $200K. [[report]](https://arxiv.org/abs/2503.09642v1) • [2025.02.20] 🔥 We released Open-Sora 1.3 (1B). With the upgraded VAE and Transformer architecture, the quality of our generated videos has been greatly improved 🚀. [[checkpoints]](#open-sora-13-model-weights) [[report]](/docs/report04.md) [[demo]](https://huggingface.co/spaces/hpcai-tech/open-sora) • [2024.12.23] The development cost of video generation models has saved by 50%! Open-source solutions are now available with H200 GPU vouchers. [[blog]](https://company.hpc-ai.com/blog/the-development-cost-of-video-generation-models-has-saved-by-50-open-source-solutions-are-now-available-with-h200-gpu-vouchers) [[code]](https://github.com/hpcaitech/Open-Sora/blob/main/scripts/train.py) [[vouchers]](https://colossalai.org/zh-Hans/docs/getstarted/bonus/) • [2024.06.17] We…
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01Capabilities
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02Requirements & stack
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Stack
03Community
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04Trust Passport
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05Versions
Full history →| Version | Channel | Released | Notes |
|---|---|---|---|
| 0.0.0 | stable | Sep 19, 2026 | Indexed listing — see the upstream repository for real release history. |