Is Kimi safe with your data?

Kimi

Moonshot AI

44/100

Weak disclosure · high confidence

Kimi earns a D (44/100) because it leaves much about its data practices unstated.

Dealbreaker flag

D1.1: We process this information to provide and improve the Services, including training and optimizing our models.
D1.4: you grant us and our affiliates a non-exclusive, unrestricted, perpetual, free license to use and re-license to third parties

#119

of 216 apps ranked

score · Assistant avg 47

-3

vs category average

Grade scaleA · 70–100B · 60–69C · 48–59D · 35–47F · 0–34

Kimi's policy says user prompts and uploads train and optimize its models with no opt-out offered, and its terms take a perpetual, re-licensable licence over what users input, while retention is described only as "as long as necessary" with no number attached.

What Kimi's privacy policy and terms of service say about your data

Trains on your content, no opt-out

User Content including prompts, audio, images, videos and files is processed to "provide and improve the Services, including training and optimizing our models," and the policy offers no mechanism to decline that use.

Perpetual, re-licensable content licence

The terms have users grant Moonshot AI and its affiliates a "non-exclusive, unrestricted, perpetual, free license to use and re-license to third parties.

No retention period

Retention is stated only as "as long as necessary to fulfill the purposes outlined in this Privacy Policy," with no number of days, months or years and no separate schedule for AI logs.

Clear on sale, vague on safeguards

The policy states "We do not sell your personal information," names a children's age floor of 14 and requires explicit consent for voiceprint data, but describes encryption only as "industry-leading" and international transfer protections only as "appropriate safeguards.

What the policy is silent or vague on

Not stated: keeping user inputs out of model training
Not stated: a way to opt out of training
Not stated: whether training use differs by plan
Not stated: your ownership of generated outputs

Kimi privacy rating

Training-data use0 of 4 disclosed

Keeps user inputs out of model training, or makes training opt-inSilent

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 outputsSilent

Data-subject rights0 of 5 disclosed

Grants a right to access your dataPartial

Grants a right to delete your dataPartial

Offers data portability in a usable formatPartial

Grants a right to correct your dataPartial

Grants a way to object to or opt out of processingPartial

Retention and deletion0 of 4 disclosed

States a retention period for your dataPartial

States a deletion timeline after closure or requestSilent

Sets a shorter retention for AI conversation logsSilent

Commits to collecting only the data it needsPartial

Third-party sharing2 of 5 disclosed

Lists the categories of third parties it shares withDisclosed

References a sub-processor list or data processing agreementPartial

Does not sell or share data for advertising, or offers opt-outDisclosed

Names a safeguard for international data transfersPartial

States a standard for government and law-enforcement accessPartial

Transparency2 of 4 disclosed

Discloses that you are interacting with AIDisclosed

Marks AI-generated or synthetic outputNot applicable

Enumerates the categories of data it collectsDisclosed

Maps processing purposes to legal basesPartial

Is versioned and dated, with change noticePartial

Sensitive data and children2 of 2 disclosed

Discloses automated decisions and a human-review pathNot applicable

Limits the use of special-category dataDisclosed

Governs biometric data specificallyNot applicable

States protections for children's dataDisclosed

Security and accountability1 of 3 disclosed

Describes its security safeguardsPartial

Commits to breach notificationPartial

Names a certification or a privacy contactDisclosed

DisclosedPartialSilentAdverseNot applicable

Details

Category: Assistant
Modalities: text
Processes biometrics: No
Policy last updated: 2025-07-07
Region scored: Global / US-default
Last assessed: 2026-10-13

Documents examined

Other assistant apps

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.