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Listed as Sanctum is a downloadable local-first desktop app, and the public product pages do not present it as a metered cloud chatbot. Users still need suitable hardware, storage for models, and time to download checkpoints. The app currently lists version 1.9.1 on its download pages; exact availability and supported systems should be checked before installation.
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Utilities & Other Checked Aug 6, 2026
Sanctum
Chat with documents and run open models locally when privacy matters more than cloud convenience.
Best for: Mac and Windows users handling private documents or audio who want local inference without assembling a stack from scratch.
What you can do with it
- Summarize a private PDF locally
- Ask questions about DOCX or code files
- Transcribe audio on the device
- Run a local OpenAI-compatible model server
- Experiment with open models offline
Good to know
- Local document processing
- Audio transcription support
- Open models can run offline
- Local API server
Limitations
- Local models need suitable hardware and storage
- Model downloads can be large
- App and model availability can change
Other official links
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