Freedom251 › AI video generators
Open-Sora
Facts from Open-Sora's own pages
- Commercial use
- Yes · github.com, 19 Sept 2026
- Compute requirements
- The README documents 768x768 generation using multi-GPU inference and reports benchmarks on H100/H800 GPUs. · github.com, 13 Oct 2026
- Generation modes
- The 11B model supports text-to-video and image-to-video generation. · github.com, 12 Oct 2026
- Generation settings
- Users can adjust aspect ratio and frame count; the documented frame counts follow 4k+1 and must be less than 129. · github.com, 13 Oct 2026
- Hardware
- The documented efficiency measurements use H100 and H800 GPUs, and 768x768 inference examples include multi-GPU execution. · github.com, 12 Oct 2026
- Image-to-video
- Yes · github.com, 19 Sept 2026
- Image-to-video input
- Image-to-video generation accepts a prompt and a reference image. · github.com, 12 Oct 2026
- Installation
- The quickstart uses Python 3.10 and requires PyTorch 2.4.0 or later. · github.com, 13 Oct 2026
- License
- The repository identifies its license as Apache-2.0. · github.com, 13 Oct 2026
- Model downloads
- The README provides model download instructions for Hugging Face and ModelScope. · github.com, 13 Oct 2026
- Model size
- The repository describes Open-Sora 2.0 as an 11B model. · github.com, 12 Oct 2026
- Motion scoring
- Inference supports a motion score, and a dynamic motion-score evaluator is available after setting an OpenAI API key. · github.com, 12 Oct 2026
- Project audience
- The project says it aims to make video-generation models, tools, and implementation details accessible to all. · github.com, 13 Oct 2026
- Prompt refinement
- The project can use ChatGPT to refine prompts for text-to-video and image-to-video generation, with an OpenAI API key configured. · github.com, 12 Oct 2026
- Prompt tools
- The project documents prompt refinement with ChatGPT and dynamic motion-score evaluation using an OpenAI API key. · github.com, 13 Oct 2026
- Purpose
- Open-Sora is an open-source project for producing high-quality video. · github.com, 13 Oct 2026
- Requirements
- The quickstart uses Python 3.10 and requires PyTorch 2.4.0 or later. · github.com, 12 Oct 2026
- Resolutions
- The 11B model supports 256px and 768px resolutions. · github.com, 13 Oct 2026
- Support
- The repository provides a contribution guideline for people wishing to contribute. · github.com, 13 Oct 2026
- Text-to-video
- Yes · github.com, 19 Sept 2026
- Text-to-video pipeline
- For high-quality text-to-video, the project provides a text-to-image-to-video pipeline using the Flux text-to-image model. · github.com, 12 Oct 2026
- Training resources
- The repository links reports and instructions for training or fine-tuning a model and training and evaluating a video autoencoder. · github.com, 13 Oct 2026
- Versions
- The README says Open-Sora is under active development and maintains separate branches for different versions. · github.com, 12 Oct 2026
- Video generation
- The 11B model supports text-to-video and image-to-video generation. · github.com, 13 Oct 2026
Where Open-Sora stands on Freedom251
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- Text-to-Video Generators#17 of 23