OpenAI Sora · Sora 2
Sora video detector
Was this made with OpenAI’s Sora? Check a video for Sora Content Credentials, OpenAI metadata and AI-generated visuals — free and without uploading it.
- 100% free
- Unlimited checks
- No upload — runs on your device
- No sign-up
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- File & Content Credentials
- Frame sampling
- AI model
- Visual analysis
Verdict
Evidence
File details
No detector is 100% accurate. Treat this as one piece of evidence, not proof. How the score works.
How Sora videos are labelled
OpenAI says every Sora video carries both a visible and an invisible provenance signal: a moving watermark on downloads from the Sora app and site, and C2PA Content Credentials embedded in the file. When the credentials survive, our detector reads them and reports the video as AI-generated with high confidence.
In practice, Sora clips are usually seen after being re-posted to TikTok, Instagram or X. Those platforms re-encode video and strip metadata, and watermark removers are easy to find. That’s when the frame analysis and your own eyes matter most.
Sora tells to look for
- The watermark’s ghost. A blurred patch, a cropped edge, or a corner that looks “cleaned”.
- Cameo-style faces. Sora 2 can insert real people’s likenesses. Watch for slightly waxy skin and mouths that don’t quite shape words.
- 10–20 second scenes with perfect framing. Handheld-style shots that are suspiciously well composed.
- Background continuity errors. Signs, crowds and cars that change when the camera pans back.
FAQ
How can you tell if a video was made with Sora?
Look for the moving Sora watermark (a small cloud logo and creator handle that changes position), check the file for C2PA Content Credentials, and watch for Sora’s typical tells: cinematic lighting in “phone” footage, short clips, and objects that morph between frames.
Do all Sora videos have C2PA metadata?
OpenAI says Sora videos embed C2PA metadata. Independent testing has reported that some downloads (particularly watermarked ones) didn’t carry a readable manifest, and any re-upload or screen recording removes it. So a missing credential doesn’t clear a video.
Can a Sora watermark be removed?
Yes, watermark removers are widespread, and they often leave a blurry smudge, an odd crop or a patch that doesn’t move with the scene. If a viral clip has suspicious blur in one region, check it carefully.