LangChain modified the title and scope of a data protection clause in its Terms of Service on June 4, 2026. The clause previously specified that data protection rules applied only when customers used the LangSmith Platform for 'Cloud or Hybrid Deployments'. The updated language removes the deployment-type qualifier, stating the Data Processing Addendum now applies whenever customers process Personal Data subject to applicable data protection laws, regardless of deployment method. This broadens when the DPA requirements become contractually binding.
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May 22, 2026
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LangChain updated its Terms of Service on May 22, 2026 to clarify deployment options and data protection commitments. The company introduced a new 'Bring Your Own Cloud Deployment' (BYOC) option, redefined 'Hybrid Deployment' to specify that LangChain operates the control plane while customers operate the data plane, and explicitly extended its commitment not to use customer data for training to include 'large language models.' The disclaimer clause was also expanded to state the platform is not warranted to be 'accurate' or 'complete.' These changes affect how customers understand their deployment choices and what data protections apply.
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May 12, 2026
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