Hedra vs Sora
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: Hedra is listed as ai avatar video, Sora as ai video generator.
- Hedra states ai avatars; Sora does not say so on the pages we checked.
- Hedra states lip sync; Sora does not say so on the pages we checked.
- Hedra states voice cloning; Sora does not say so on the pages we checked.
- Hedra states upscaling; Sora does not say so on the pages we checked.
Side by side
| Fact | Hedra | Sora |
|---|---|---|
| Type | AI avatar video | AI video generator |
| Starts at | Not published | Discontinued |
| Billing | Pay as you go | Not stated |
| Free plan | Not stated | Not stated |
| Watermark | Not stated | Not stated |
| Max resolution | Not stated | Not stated |
| Max clip / video length | Not stated | Not stated |
| Commercial use | Not stated | Not stated |
| API | Yes | Not stated |
| AI avatars | Yes (vendor states it) | Not stated |
| Lip sync | Yes (vendor states it) | Not stated |
| Voice cloning | Yes (vendor states it) | Not stated |
| Upscaling | Yes (vendor states it) | Not stated |
| Checked | Oct 26, 2026 | Oct 26, 2026 |
| Website | Visit Hedra | Discontinued |
Summaries
Hedra: Character and avatar video platform (Studio plus API) known for expressive talking characters and lip-sync; API billed per second from a prepaid balance.
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.
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