Are AI video generators safe to use?
The established ones are generally safe to use, but the risks are real and specific: photos you upload are stored by the provider, credits often expire or are non-refundable, and posting unlabelled realistic AI video can get your social account penalised[1]. Most of the danger comes from copycat sites and from what you upload, not from the video models themselves.
This page is general information, not legal or security advice. We did not audit any company's data handling; where we could not verify a policy on the company's own site we say so.
The four risks that actually matter
| Risk | What to check |
|---|---|
| Your uploads (face photos, voice) are kept | Read the privacy policy for retention and training use. Avoid uploading other people's faces at all. |
| Your videos are public by default | Find the visibility setting before you generate. Some apps post to a community feed. |
| You lose money on credits | Check whether credits expire, roll over and are refunded on failed renders. |
| Your social account gets penalised | Label realistic AI content on every platform that asks for it. |
Uploads and privacy
When you upload a photo, the provider has it. Policies differ, and we could not verify the retention or training terms of every consumer app on its own site as of 2026-10-18, so read each one yourself. One provider's docs show that generated assets stay on file: BytePlus ModelArk lets you reuse face-containing outputs generated under the same account within 30 days[3].
The safest habit is to upload nothing you would not want stored: no ID documents, no photos of children, no photos of people who did not agree. Several providers refuse real faces anyway; ModelArk does not accept uploaded references containing real human faces without verification[4].
Also check who can see your results. Videos on some apps land in a public gallery. In Cast, videos are private by default and only get a public page if you switch it on; see the FAQ.
Money: credits, refunds and double charges
- Expiry and rollover. Unused monthly Flow credits do not roll over[5], D-ID minutes do not carry over[6], and BytePlus Seedance resource packs expire after 90 days and cannot be refunded[7].
- Failed renders. Some providers do not bill failures: BytePlus charges only for successful videos, and moderation blocks are free[8]. When we render through an API, we wait for the job status instead of resubmitting after a timeout, because a resubmitted job can be billed as a second job. In an app, the same rule applies to pressing generate twice.
- Subscriptions. Watch for discounted first months that renew at full price; Dreamina's Basic plan is USD 1.50 for the first month and USD 15.00 after[9].
Your social accounts
The most common way an AI video hurts you is a platform penalty. YouTube says creators who consistently fail to disclose realistic AI content can have labels applied, content removed or be suspended from the Partner Program[1]. TikTok may remove, restrict or label unlabelled realistic AI content[10] and prohibits automation tools that bypass its systems[11]. See how to label AI videos on TikTok.
How to spot a scam or copycat tool
- It promises "no restrictions" on real people or celebrities. Legitimate providers do not offer that (see AI video with no restrictions).
- It asks for your Google password inside its own page. Real Google sign-in opens Google's page; Google forbids sign-in inside embedded webviews[13].
- It claims to sell a famous model's name at a price far below every known provider, with no company details or terms.
- It needs a card for a "free" trial and hides the renewal price.
- It asks you to install a browser extension or app to download your video.
Where Cast fits
- You do not want to upload any photo: Cast draws characters from a text description.
- You want private-by-default videos, prices shown before you generate, and failed renders refunded automatically.
- You want to try it without an account: the first 5-second video is free with a guest account.
Where it does not:
- Animating your own photo or a drawing: Cast has no image upload.
- Longer or real-time video: clips are 5, 10 and 15 seconds and there is no live streaming.
People also ask
- Is Kling AI or Hailuo safe?
- We did not verify either company's data-retention or training terms on its own site as of 2026-10-18, so we cannot rate them. Read the privacy policy, avoid uploading other people's faces, and spend as little as possible until you trust the service.
- Can AI video tools steal my face?
- Any photo you upload is stored by the provider for some time, so treat uploads as shared. Some providers only allow real faces after the person verifies and authorises their use[3].
Sources
Claims about other companies come from their own pages, read on the date shown. Products and prices change; check the link for the current version.
- YouTube Help: disclosing altered or synthetic content (read )
- YouTube Help: AI labels and C2PA (read )
- BytePlus ModelArk: Seedance portrait asset guide (read )
- BytePlus ModelArk: Seedance portrait asset guide, real faces (read )
- Google Flow Help: credits (read )
- D-ID: Studio pricing (read )
- BytePlus ModelArk: Seedance resource pack rules (read )
- BytePlus ModelArk: model pricing (read )
- Dreamina: pricing (read )
- TikTok Community Guidelines: integrity and authenticity (read )
- TikTok Community Guidelines: automation (read )
- TikTok: AI-generated content FAQ (read )
- Google: OAuth 2.0 policies (read )
- Google: Veo on the Gemini API (read )
- CapCut newsroom: Dreamina Seedance 2.0 (read )
- Gemini Apps Help: usage limits and age (read )
Related answers
- Is there an AI video generator with no restrictions?
- Is it legal to make an AI video of a real person?
- How do AI video credits work?
- How many free credits do AI video generators give?
- How do I label a video as AI-generated on TikTok?
Part of the Cast answers library (Copyright, rules and safety).
Updated