Sora vs Stable Video Diffusion
What each vendor publishes about price, free plan, watermark, resolution, length and features, side by side. Checked Oct 26, 2026. We don't test tools; we compare what vendors publish, and every fact links to its source on the tool's profile.
The differences in short
- Sora has been discontinued: "The Sora web and app experiences were discontinued on April 26, 2026. The Sora API will be discontinued on September 24, 2026." (openai.com/sora). Page kept as a discontinued listing pointing to alternatives.
- They are different kinds of tool: Sora is listed as ai video generator, Stable Video Diffusion as open-source model.
- Stable Video Diffusion has a free plan; Sora does not state one.
- Maximum resolution: Sora not stated, Stable Video Diffusion 576x1024.
- Stable Video Diffusion states image to video; Sora does not say so on the pages we checked.
- Stable Video Diffusion states open weights; Sora does not say so on the pages we checked.
Side by side
| Fact | Sora | Stable Video Diffusion |
|---|---|---|
| Type | AI video generator | Open-source model |
| Starts at | Discontinued | Free (open source) |
| Billing | Not stated | Open source (free) |
| Free plan | Not stated | Free plan (Open weights on Hugging Face; commercial use per the Stability AI licence.) |
| Watermark | Not stated | Not stated |
| Max resolution | Not stated | 576x1024 |
| Max clip / video length | Not stated | Not stated |
| Commercial use | Not stated | Not stated ("For commercial use, please refer to https://stability.ai/license.") |
| API | Not stated | Not stated |
| Image to video | Not stated | Yes (vendor states it) |
| Open weights | Not stated | Yes (vendor states it) |
| Checked | Oct 26, 2026 | Oct 26, 2026 |
| Website | Discontinued | Visit Stable Video Diffusion |
Summaries
Sora: OpenAI's video and audio generation app and model. OpenAI discontinued the Sora web and app experiences on April 26, 2026, and the Sora API on September 24, 2026.
Stable Video Diffusion: Stability AI's image-to-video latent diffusion model (SVD-XT: 25 frames at 576x1024), downloadable under the Stability AI Community License.
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