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Does Kimi train on your data?

kimi.com

Yes, by default. Kimi's published policy says it may train on your data, but you can opt out. As of 9 November 2026. Source: kimi.com.

PolicyPeek gives Kimi the badge "Trains by default, you can opt out". Its published policy allows training on your data by default, but describes a way to opt out. What we recorded from the policy: "the platform may use users' input data, instructions, and generated responses for model training." "If you do not want your conversation data to be used for training, you can contact customer support at support@moonshot.cn and submit a request. We will complete the opt-out registration within 5-7 working days after verifying your identity, and will stop using your content for model training." "Account-level opt-out: Per-conversation or per-file opt-out is not currently supported." "Once registration is complete, neither your historical conversation data nor any newly generated data will be included in the model training dataset." Kimi Business (enterprise) data does not enter the model training pipeline by default. Source: kimi.com/en/help/others/data-usage, updated 5 November 2026; fetched 9 November 2026. It doesn't state how long your data is kept. The policy doesn't mention GDPR. Last checked 9 November 2026 against 1 policy page from kimi.com.

Does Kimi train on my data?

Two different things often get mixed up. Used to train models means your content helps build or improve the AI itself, so it can shape what the model produces later. Used to provide the feature means your content is processed to give you the answer, summary or suggestion you asked for, which any AI feature has to do. PolicyPeek's badge is about the first one only.

Used to train models
Yes, according to the policy
Used to provide the feature
Not rated by PolicyPeek; see the source

What Kimi's policy says (kimi.com):

the platform may use users' input data, instructions, and generated responses for model training.

If you do not want your conversation data to be used for training, you can contact customer support at support@moonshot.cn and submit a request. We will complete the opt-out registration within 5-7 working days after verifying your identity, and will stop using your content for model training.

Once registration is complete, neither your historical conversation data nor any newly generated data will be included in the model training dataset.

Can I opt out of Kimi AI training?

What Kimi's policy says about opting out:

If you do not want your conversation data to be used for training, you can contact customer support at support@moonshot.cn and submit a request. We will complete the opt-out registration within 5-7 working days after verifying your identity, and will stop using your content for model training.

Account-level opt-out: Per-conversation or per-file opt-out is not currently supported.

Check the current wording and steps on kimi.com before you rely on them.

Is Kimi safe for UK GDPR?

Kimi's published policy, as read by PolicyPeek, doesn't mention GDPR. PolicyPeek doesn't assess whether a tool meets GDPR; the badge only reports what the policy says about training.

In the UK: if personal data is involved, the UK GDPR applies to how it's used, including for AI. This page only reports what the vendor's published policy says about training — it is not a finding that Kimi meets UK GDPR, and it is not legal advice. The Information Commissioner's Office publishes guidance on AI and data protection.

Common questions about Kimi

Can I stop Kimi training on my data?

Yes. Kimi's published policy says it may train on your data by default but describes a way to opt out. The policy wording PolicyPeek recorded is shown above.

How long does Kimi keep my data?

Kimi's published policy, as read by PolicyPeek, doesn't state how long your data is kept.

Does Kimi's policy mention GDPR?

No, Kimi's published policy doesn't mention GDPR.

How does Kimi compare with other AI tools?

26 of the 65 AI tools PolicyPeek lists share Kimi's badge, "Trains by default, you can opt out". See the related tools below or browse all tools.

What the policy says

Read from its own policy

Verdict: Trains by default, you can opt out

Their published policy says your data may be used for training unless you switch it off.

Why

"the platform may use users' input data, instructions, and generated responses for model training." "If you do not want your conversation data to be used for training, you can contact customer support at support@moonshot.cn and submit a request. We will complete the opt-out registration within 5-7 working days after verifying your identity, and will stop using your content for model training." "Account-level opt-out: Per-conversation or per-file opt-out is not currently supported." "Once registration is complete, neither your historical conversation data nor any newly generated data will be included in the model training dataset." Kimi Business (enterprise) data does not enter the model training pipeline by default. Source: kimi.com/en/help/others/data-usage, updated 5 November 2026; fetched 9 November 2026.

Trains on user data
Yes
Data retention
Not stated
GDPR mentioned
No
Last checked
Reviewed by a human
Yes

Sources

Guides that cover Kimi