Turn this comparison into procurement-ready diligence
Free shows today's risk. A Stack Audit gives you a citable, verbatim-sourced PDF across your whole AI stack — and flags the moment a vendor's terms change.
Free shows today's risk. A Stack Audit gives you a citable, verbatim-sourced PDF across your whole AI stack — and flags the moment a vendor's terms change.
Your privacy
We use first-party analytics and Google Analytics to understand traffic and improve the site (IP-derived location, device info, analytics cookies). We never sell your personal information and run no advertising trackers. You can opt out below. See our Privacy Policy and Cookie Policy.
96 verified findings across the displayed surfaces.
215 verified findings across the displayed surfaces.
Empty Comparison Slot
HeyGen carries highly permissive license terms; Udio carries highly permissive license terms.FOR ENTERPRISE: HEYGEN NOT RECOMMENDED · UDIO NOT RECOMMENDED
| RISK SURFACE | HEYGEN | UDIO |
|---|---|---|
| PPrompt Ownership | ||
| OOutput Ownership | ||
| TModel Training | ||
| CCommercial Use | ||
| DData Privacy | ||
| $Tier Differences |
“HeyGen does not claim to own any of Your Content and by using the Services and uploading or generating Your Content, you grant us a license to access, use, host, cache, store, reproduce, transmit, display, publish, distribute, and modify Your Content to operate, improve, promote…”
Despite not claiming ownership, HeyGen takes a broad, royalty-free, transferable, sublicensable, worldwide, and irrevocable license over all user inputs. The license survives termination, meaning revoking access does not end HeyGen's rights to previously submitted content.
“ In connection with your use of the Services, you may be able to post, upload, or submit content and other information (such as your Input Content) on or through the Services (“ Your Content ”). As between the Company and you, the Company does not claim any ownership in Your Cont…”
“All Feedback becomes the sole and exclusive property of HeyGen, and HeyGen may use and disclose Feedback in any manner and for any purpose whatsoever without further notice or compensation to you and without retention by you of any proprietary or other right or claim. You hereby…”
Any feedback submitted—including suggestions, comments, or improvements—is irrevocably assigned to HeyGen with no compensation. Includes patent rights, trade secrets, and moral rights waiver.
“ 6.4 Attribution . If you exploit or otherwise make any public use of any Output, or any content that includes any Output (in whole or in part), including the distribution of Output in the form of or as part of audio or audio-visual recordings made available via any third party a…”
“you grant us a license to access, use, host, cache, store, reproduce, transmit, display, publish, distribute, and modify Your Content to operate, improve, promote and provide the Services and to develop new services and products, including to train or otherwise improve or modify…”
User content (inputs and outputs) from paid plan users is explicitly licensed for AI model training. This is opt-in by default with no clear opt-out mechanism mentioned.
“ 1.3 By submitting any Input Content through the Services, you represent and warrant that you have, or have obtained, all rights, licenses, consents, permissions, power and/or authority necessary to submit and use (and allow us to use) such Input Content in and in connection with…”
“User Output generated under a Free Plan may not be sold, sublicensed, redistributed, monetized, or used in connection with commercial activities, advertising, client work, revenue-generating product or any other services.”
Complete prohibition on commercial use of outputs for free plan users, including advertising, client work, and revenue-generating activities.
“ - [Our Commercial or Business Purposes for Collecting Personal Data](https://www.udio.com/privacy-policy#our-commercial-or-business-purposes-for-collecting-personal-data)”
“Some of the features of the Services require us to process parts of faces or bodies within a video or photo, and this may include face imagery. The information we use for this process is used to create and personalize avatars. See our Biometric Information Privacy Notice for furt…”
Biometric data (face imagery, body data) is collected and processed. This triggers heightened legal obligations under BIPA (Illinois), CCPA sensitive data rules, and GDPR Article 9.
“Under the certain U.S. State Privacy Laws, we disclose the Personal Data of minors under 18 years of age in a way that may be considered a sale. If you are between 16 and 18 years of age, you must authorize us to sell your Personal Data. If you are under 16 years of age, your par…”
“ (d) Refunds and Exchanges. Payments are non-refundable, except where required by law.”