When you upload data to the W&B platform, you give W&B permission to use that data to run and improve its services, not just to process it on your behalf.
This analysis describes what Weights & Biases'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 license includes a right to use Customer Data to improve the services, which may mean W&B can derive insights or enhancements from your organization's ML training data, model outputs, or experiment logs beyond simply storing and retrieving them.
Interpretive note: The practical scope of 'improve the Services' is not defined in the clause and may depend on operational practices described in the Privacy Policy or DPA, creating interpretive uncertainty about how broadly this license applies to Customer Data.
The updated agreement no longer includes language stating that a previously executed written agreement between Customer and W&B would govern and supersede the master service agreement. This removal eliminates explicit recognition of contractual hierarchy that may have applied to customers with signed agreements predating the master terms. The practical effect depends on whether such customers have separate agreements in place and how contract interpretation and applicable law would treat the relationship between a posted master agreement and a signed customer agreement absent explicit supersession language.
View change record →The updated Terms of Service no longer include the previous statement that services would become inaccessible from certain locations starting September 1st, 2025. This removal means the geographic restriction that was previously announced in the agreement is no longer formally stated in the current terms. Users who were affected by or concerned about the prior restriction should review current documentation to confirm whether any geographic limitations remain in effect.
View change record →Subscribing organizations grant W&B a broad operational license over Customer Data, including for service improvement purposes; organizations with sensitive proprietary ML data should assess whether this scope is acceptable and how it interacts with confidentiality obligations.
How other platforms handle this
we may share data between our affiliates for the safety and security of our users and may take necessary actions if we believe you have violated these Terms, including banning you from our Services and/or our affiliates' services...
Whenever we transfer personal data internationally, we use tools and transfer agreements to: make sure the data transfer complies with applicable law; and help to give your data the same level of protection as it has in the EU...
Each payment processor uses and processes your complete payment information in accordance with its applicable privacy policy (Stripe and PayPal).
"Customer hereby grants to W&B a non-exclusive, worldwide, royalty-free license to use, process, store, transmit, and display Customer Data solely as necessary to provide, maintain, and improve the Services and as otherwise set forth in this Agreement and the Privacy Policy.Excerpt from Weights & Biases's Terms of Service
REGULATORY LANDSCAPE: This license provision implicates GDPR Articles 5, 6, and 28 where Customer Data includes personal data of EU residents, as any use of personal data beyond the original processing purpose requires a legal …
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The license includes a right to use Customer Data to improve the services, which may mean W&B can derive insights or enhancements from your organization's ML training data, model outputs, or experiment logs beyond simply storing and retrieving them.
Subscribing organizations grant W&B a broad operational license over Customer Data, including for service improvement purposes; organizations with sensitive proprietary ML data should assess whether this scope is acceptable and how it interacts with confidentiality obligations.
ConductAtlas has identified this type of provision across 288 platforms. See the full comparison.
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