This analysis describes what Synthesia's agreement states, permits, or reserves. It does not constitute a legal determination about enforceability. Regulatory applicability and practical outcomes may vary by jurisdiction, enforcement context, and individual circumstances. Read our methodology
The updated Privacy Policy now explicitly discloses that Synthesia collects voice, video, image, and text inputs when users interact with the company's demo experiences, whereas the prior version only mentioned voice and text inputs. The policy also clarifies that Synthesia acts as a data controller of Other Information used to operate its platform and business. These changes formalize the scope of data collection and Synthesia's processing role, but do not appear to introduce new collection practices—rather, they expand the transparency of existing operations.
View change record →The updated policy now explicitly states that Synthesia collects voice and text inputs when users interact with demo experiences, and processes 'other information you choose to provide' for both service delivery and internal research to improve the platform and AI models. This clarifies what personal data is collected during demo and roleplay interactions and how it is used. Users can review Synthesia's full privacy policy to understand retention periods and any available controls over this data collection.
View change record →How other platforms handle this
We may use information about you, your activity, content, media uploads and related data in your account to prevent, detect, investigate and address safety, security, fraud and abuse risks, and to develop our algorithms and models to identify violations...
We use data for analysis, research and product development, including training machine learning models. This helps us make our services more convenient and easy to use, enhance the safety and security...
We process your data for necessary purposes as described in the main Policy, and for secondary purposes. We use both human and automated means to process your data.
"To create and manage your account, we check the browser type and version and other features of your device to provide the Platform via your device. record your choices, including the terms you accepted, and your privacy settings.Excerpt from Synthesia's Privacy Policy
We read the privacy policies and terms of service of 38 AI platforms. Here is what they say about training, retention, arbitration, and liability.
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Companies change their terms without announcing it. We capture governance documents, compare each new version with the last, and publish what changed, with the source text behind it. One email a week on what we found and what we could not reach.
The clause states: “To create and manage your account, we check the browser type and version and other features of your device to provide the Platform via your device. record your choices, including the terms you accepted, and your privacy settings.”
ConductAtlas has identified this type of provision across 273 platforms. See the full comparison.
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