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Elephas

Mac-native private AI that indexes locally, redacts 28 data types before cloud calls, and runs fully offline

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paidDR 59Standard is $19/month for knowledge workers, marketers and researchers, including AI chat and writing across the Mac, basic document and note workflows, work with PDFs, notes and files, cloud AI with zero data retention and local-first indexing. Professional is $39/month for daily work across documents and notes, adding higher AI usage. Pro+ is $49/month, positioned for work under NDA, with the most redaction types covered. Yearly billing saves roughly 17%. Every new download includes 7 days of Pro activated automatically with no credit card; macOS 13 or later is required.View full pricing →

About Elephas

Elephas is a Mac-native AI assistant built for the work you cannot paste into ChatGPT. Its whole architecture is organised around that constraint: your documents, notes and files are indexed 100% locally on the machine, an offline mode runs fully on-device, and when you do choose a cloud model the app redacts 28 categories of sensitive data before anything leaves the Mac. Cloud calls that do happen go to zero-data-retention endpoints, and the model choice is yours — GPT-5, Claude and Gemini are all available — so the privacy posture is a set of controls rather than a blanket refusal to use frontier models. That makes the target audience unusually specific for an AI writing tool: consultants, lawyers, accountants, researchers and financial advisors, people whose material is under NDA or professional privilege and who therefore cannot use the mainstream assistants at all. Functionally it does AI chat and writing across the Mac, works against your PDFs, notes and files, and offers document and note workflows, with an iOS companion. Every new download activates seven days of Pro automatically with no credit card, requiring macOS 13 or later, and the app is also on the Mac App Store. Tiers escalate on AI usage allowance, control and the number of redaction types, and the company reports more than 3,000 professionals using it.

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Key Features

100% local indexing of documents, notes and files
Redacts 28 types of sensitive data before any cloud call
Fully on-device offline mode
Zero-data-retention cloud endpoints when cloud AI is used
Choice of GPT-5, Claude and Gemini
iOS companion app alongside the Mac app
7 days of Pro on every new download with no credit card

Elephas Pros & Cons

Pros

  • +Redaction-before-cloud is a real technical control, not a privacy policy paragraph
  • +Offline mode makes it usable on genuinely privileged material
  • +Frontier model choice is preserved rather than sacrificed for privacy
  • +Free 7-day Pro on download with no card required

⚠️ Cons

  • macOS and iOS only — no Windows or Linux path
  • Redaction coverage is tiered, so the strongest posture costs $49/month
  • Requires macOS 13 or later

Tags

macosprivacylocal-firstofflineredactiondocument-chatios
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