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AI video provenance in 2026: watermarks, C2PA and the new disclosure laws
Since August 2, generated video has to be marked as such in the EU and California. Removing the visible watermark is not the same as removing the marking.
For most of AI video's short history, "watermark" meant one thing: the logo stamped in the corner of a free-tier clip, gone once you paid. That is still true of the visible mark. But as of August 2, 2026, the marking that matters legally is the one you cannot see, and it is becoming something enterprise and advertising buyers ask for before they sign.
What changed on August 2
The EU. The transparency obligations in Article 50 of the AI Act became enforceable. Providers of generative AI systems must embed machine-readable markings in synthetic audio, image and video so the content can be detected as artificially generated, and deployers must disclose deepfakes. Systems already on the market before August 2 have until December 2, 2026 to implement the marking. Fines reach up to 15 million euros or 3% of worldwide turnover. The Commission's Article 50 FAQ covers who counts as a provider and a deployer.
California. The AI Transparency Act (SB 942), as amended by AB 853, became operative the same day. Generative AI providers with more than one million monthly users that are publicly accessible in California must offer a free detection tool, embed a latent disclosure in generated image, video and audio, and offer users a visible disclosure option. Penalties are $5,000 per violation, with each day counted separately.
The four layers of provenance
| Layer | What it is | Weak point |
|---|---|---|
| Visible label | An on-screen badge or "Made with AI" tag | Easy to crop or omit |
| Content credentials | A signed, tamper-evident record attached to the file under the C2PA standard | Lost when the video is re-encoded or screen-recorded |
| Invisible watermark | A signal embedded in the pixels, such as Google's SynthID, built to survive compression and edits | Shows that content is generated, not its editing history |
| Consent controls | Explicit, revocable consent before a real person's likeness is used | Only as good as the platform's process |
The first two answer "what happened to this file", the third answers "was this generated", and the fourth answers "did this person agree". Large vendors are converging on combining content credentials with an invisible watermark, because each covers the other's weak point.
What this means for the platforms you use
When we compiled our platform pages, we recorded whether paid plans add a visible watermark. On Higgsfield, Runway, Magnific and OpenArt, paid output carries none for any model we track. That tells you about the corner logo only. It says nothing about invisible marking, which providers in scope now have to embed regardless of plan.
Two practical consequences:
- Do not assume a clean-looking clip is unmarked. If your workflow strips metadata, the content credentials go, but an invisible watermark is designed to stay.
- Ask vendors what they embed. For advertising and regulated uses, provenance is turning from overhead into a procurement question: which standard, which watermark, and how consent for any real likeness is recorded.
If you are comparing plans on cost first, our free tier comparison covers which free plans add a visible watermark.
Frequently asked
Do I have to label AI-generated video?
In the EU, deployers must disclose deepfakes, and providers must mark synthetic output in a machine-readable way since August 2, 2026, with a grace period to December 2, 2026 for systems already on the market. California requires large providers to embed latent disclosures. Check the rules that apply to your use and market.
If a paid plan removes the watermark, is my video unmarked?
Not necessarily. Paid plans usually remove the visible watermark, but providers in scope still have to embed machine-readable or latent markings that viewers cannot see.
Daniel Ochoa: Covers model launches, shutdowns and pricing changes as they happen. Reads deprecation notices for a living so you do not have to.