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.
38 verified findings across the displayed surfaces.
81 verified findings across the displayed surfaces.
Empty Comparison Slot
Synthesia has moderate defaults; Playground AI carries the most permissive license terms of the set.FOR ENTERPRISE: PLAYGROUND AI NOT RECOMMENDED · SYNTHESIA ENTERPRISE TIER ACCEPTABLE
| RISK SURFACE | PLAYGROUND AI | SYNTHESIA |
|---|---|---|
| PPrompt Ownership | ||
| OOutput Ownership | ||
| TModel Training | ||
| CCommercial Use | ||
| DData Privacy | ||
| $Tier Differences |
“By using the Services, you grant to Playground AI, its successors, and assigns a perpetual, worldwide, non-exclusive, sublicensable, no-charge, royalty-free, irrevocable copyright license to use, copy, reproduce, process, adapt, modify, publish, transmit, prepare Derivative Works…”
Users grant a perpetual, irrevocable, sublicensable, royalty-free license over their text prompts and uploaded images. The license is permanent (survives termination) and allows Playground AI to sublicense, adapt, and distribute inputs with no compensation beyond access to the service.
“ This Privacy Policy governs and explains how we collect and process your personal information when you (“ you ” or “ User ”) use our website, located at synthesia.io (“ Site ”), services and products accessible through the Site (“ Services ”), and the associated web-based softwa…”
“The license to Playground AI survives termination of this Agreement by any party, for any reason.”
Playground AI's license over user inputs and outputs is explicitly stated to survive termination for any reason, meaning the user cannot revoke Playground AI's rights over their content by closing their account.
“By using the Services, you grant to Playground AI, its successors, and assigns a perpetual, worldwide, non-exclusive, sublicensable, no-charge, royalty-free, irrevocable copyright license to use, copy, reproduce, process, adapt, modify, publish, transmit, prepare Derivative Works…”
The license to 'improve the Services' combined with a perpetual, irrevocable grant strongly implies that inputs and outputs may be used for model training or fine-tuning. No opt-out mechanism is described.
“Fine-tuning the AI model to enable it to generate new videos with your Avatar based on the Sample performing a user-provided input;”
User's biometric data (Sample) is explicitly used to fine-tune Synthesia's AI models, meaning the user's likeness directly contributes to model training.
“ other than as permitted through an allowable API; (v) reverse assemble, reverse compile, decompile, translate or otherwise attempt to discover the source code or underlying components of models, algorithms, and systems of the Services that are not open (except to the extent such…”
“ In addition to our third-party vendors acting on our behalf, we will only disclose, redisclose or otherwise disseminate Biometric Data in the following circumstances: As instructed by the Customer as a data controller; As required by applicable State or federal law or municip…”
“ Playground AI utilizes artificial intelligence systems to produce the Assets. Such Assets may be unintentionally similar to copyright protected material or trademarks held by others. Users are prohibited from creating Assets that infringe third-party intellectual property rights…”
“Avatar creation features require processing of the facial geometry and/or voiceprint from each of the Sample and Verification Recording. Certain steps in creating an Avatar involve the processing of data considered “ biometric data ”, “ biometric information ”, “ biometric identi…”
Synthesia collects and processes highly sensitive biometric data (facial geometry, voiceprints) which is subject to stringent regulation in multiple jurisdictions. Users should be aware of the elevated risk associated with providing such data.
“Playground AI offers a free and paid Service. You can learn more about our paid subscription offering here or within our mobile application.”
The document references free and paid tiers but does not detail the substantive differences in rights, data handling, or feature access between them within the terms document itself.