All apps

Is LangChain safe with your data?

C
LangChain icon

LangChain

54/100

Partial disclosure · high confidence

LangChain earns a C (54/100) because it discloses its data practices only in part.

#62

of 216 apps ranked

54

score · Data platform avg 47

+7

vs category average

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

LangChain commits in writing that it will not train on customer data and that customers keep ownership of their inputs and outputs, but its privacy policy leaves retention open-ended and describes security only in general terms.

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

No training on customer data

The terms state plainly that LangChain will not use Customer Data to train on, develop, or otherwise improve its products, including any large language models, and customer inputs and outputs remain owned by the customer under a licence limited to running the platform.

Deletion on a clock

After termination, LangChain deletes all Customer Data in its custody and control within thirty days of a written request, and customers can export their data during the same thirty-day window.

Retention left open-ended

The policy names no retention period, keeping personal information only "for as long as it is reasonably needed," with no shorter clock for AI traces or run logs and no data-minimization commitment.

Security and transfers described in generalities

Safeguards are "reasonable organizational, technical and administrative measures" with no named controls, breach notice carries no timeframe, cross-border transfers name no specific safeguard, and the policy claims no security certification.

What the policy is silent or vague on

  • Not stated: whether training use differs by plan
  • Not stated: shorter retention for AI conversation logs
  • Not stated: a data-minimisation commitment
  • Not stated: whether it sells or shares data for advertising

LangChain privacy rating

Training-data use2 of 3 disclosed
Keeps user inputs out of model training, or makes training opt-inDisclosed
Names a way to opt out of or into trainingNot applicable
Says whether training use differs by plan or tierSilent
Lets the user keep ownership of generated outputsDisclosed
Data-subject rights2 of 5 disclosed
Grants a right to access your dataPartial
Grants a right to delete your dataDisclosed
Offers data portability in a usable formatPartial
Grants a right to correct your dataPartial
Grants a way to object to or opt out of processingDisclosed
Retention and deletion1 of 4 disclosed
States a retention period for your dataPartial
States a deletion timeline after closure or requestDisclosed
Sets a shorter retention for AI conversation logsSilent
Commits to collecting only the data it needsSilent
Third-party sharing1 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-outSilent
Names a safeguard for international data transfersSilent
States a standard for government and law-enforcement accessPartial
Transparency1 of 4 disclosed
Discloses that you are interacting with AIPartial
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 children1 of 2 disclosed
Discloses automated decisions and a human-review pathNot applicable
Limits the use of special-category dataSilent
Governs biometric data specificallyNot applicable
States protections for children's dataDisclosed
Security and accountability0 of 3 disclosed
Describes its security safeguardsPartial
Commits to breach notificationPartial
Names a certification or a privacy contactPartial
DisclosedPartialSilentAdverseNot applicable

Details

Category
Data platform
Modalities
text
Processes biometrics
No
Policy last updated
2024-04-28
Region scored
Global / US-default
Last assessed
2026-10-13

Documents examined

Other data platform 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.

Is LangChain safe with your data? Grade C | VerifyWise