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C
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Synthesia

68/100

Partial disclosure · high confidence

Grade scaleA · 85–100B · 70–84C · 55–69D · 40–54F · 0–39

Strong biometric governance and a full GDPR rights set with named transfer safeguards and a DPO, held back by silence on a training opt-out, breach notification, and synthetic-output marking.

What the policy says

Biometric governance

The policy treats avatar Samples and Verification Recordings as biometric data under GDPR and the Illinois Biometric Privacy Act, requires explicit consent, says it permanently destroys verification biometrics once the comparison completes within a few minutes, and states it will not sell, lease, or trade biometric data.

Full rights and no sale

All GDPR rights are enumerated, covering access, erasure, rectification, objection, and portability in a structured machine-readable format, and the policy states that Synthesia does not sell or rent personal information to any third-party.

Vague general retention

Outside biometric data, Synthesia retains Other Information for as long as necessary for the purposes described, with no day-count and no fixed deletion timeline for ordinary account data.

Silent on breach and synthetic marking

The security section names no specific safeguard beyond a link to a Security Practices page, commits to no breach notification or timeframe, and the policy never addresses watermarking or labeling of AI-generated video output.

Score by area

Training-data use0 of 4 disclosed
Keeps user inputs out of model training, or makes training opt-inDisclosed
Names a way to opt out of or into trainingSilent
Says whether training use differs by plan or tierSilent
Lets the user keep ownership of generated outputsDisclosed
Data-subject rights5 of 5 disclosed
Grants a right to access your dataDisclosed
Grants a right to delete your dataDisclosed
Offers data portability in a usable formatDisclosed
Grants a right to correct your dataDisclosed
Grants a way to object to or opt out of processingDisclosed
Retention and deletion0 of 4 disclosed
States a retention period for your dataDisclosed
States a deletion timeline after closure or requestDisclosed
Sets a shorter retention for AI conversation logsDisclosed
Commits to collecting only the data it needsDisclosed
Third-party sharing4 of 5 disclosed
Lists the categories of third parties it shares withDisclosed
References a sub-processor list or data processing agreementDisclosed
Does not sell or share data for advertising, or offers opt-outDisclosed
Names a safeguard for international data transfersDisclosed
States a standard for government and law-enforcement accessDisclosed
Transparency3 of 5 disclosed
Discloses that you are interacting with AIDisclosed
Marks AI-generated or synthetic outputSilent
Enumerates the categories of data it collectsDisclosed
Maps processing purposes to legal basesDisclosed
Is versioned and dated, with change noticeDisclosed
Sensitive data and children3 of 3 disclosed
Discloses automated decisions and a human-review pathNot applicable
Limits the use of special-category dataDisclosed
Governs biometric data specificallyDisclosed
States protections for children's dataDisclosed
Security and accountability1 of 3 disclosed
Describes its security safeguardsDisclosed
Commits to breach notificationSilent
Names a certification or a privacy contactDisclosed
DisclosedPartialSilentAdverseNot applicable

Details

Category
Image & video
Modalities
video
Processes biometrics
Yes
Policy last updated
2025-01-30
Region scored
Global / US-default
Assessed
2026-06-20
Read Synthesia's privacy policy

Each grade reflects our analysis of what an app states in its public privacy policy and terms as of the assessment date. It measures the transparency of those documents, not the company's actual data practices, security, or compliance. Grades are our opinion, offered for general information. Full disclaimer.

Synthesia: grade C | AI App Trust & Transparency Index