Where Do Your PDF Uploads Go? AI Document Privacy Compared

Uploading a PDF to an AI service typically sends its contents to the chat operator and, in some cases, to an underlying model provider, while storage, retention, training use, and third-party sharing vary by product and selected privacy mode. Consumer services such as ChatGPT and Claude may retain or use chats under account-specific training settings, whereas commercial APIs may have different default training policies but still receive submitted content. The text highlights Venice as offering several modes: Private mode, which says prompts and responses are not stored or used for training; Anonymous mode, which routes content to third-party providers; Pro TEE, which supports uploads in a hardware-isolated enclave; and text-only E2EE, which requires users to paste document text rather than attach files. It advises users to minimize exposure by redacting documents, uploading only relevant excerpts, reviewing training and retention controls before submission, and understanding that disabling training does not necessarily eliminate storage or provider access. Venice supports several document and image formats with a 25MB per-file upload limit, while its privacy claims are not presented as substitutes for formal compliance certifications such as HIPAA, SOC 2, PCI, or FedRAMP.

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