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正面對決基準比較
Elephas vs PERSYS
Elephas 每月有 76,647 次造訪，月增率 -14.7%，定價模式為免費增值。PERSYS 每月有 56 次造訪，成長率 -85%，定價模式為付費。
Elephas 每月有 76,647 次造訪，月增率 -14.7%，定價模式為免費增值。PERSYS 每月有 56 次造訪，成長率 -85%，定價模式為付費。
| 面向／指標 |  | |
|---|---|---|
| 官方網域 | elephas.app | persys.ai |
| 定價模式 | 免費增值 | 付費 |
| 每月造訪次數 | 7.66萬 (76,647) | 56 (56) |
| 月流量變化量 | -1.32萬 (-14.7%) | -316 (-85%) |
| 主要市場與市佔 | 🇺🇸 美國 (17.7%) | 🇰🇷 南韓 (100%) |
| 每月直接造訪 | 1.13萬 | 22 |
| 使用者評分 | 4.4 | 4.1 |
| 支援平台 | 網站 | 網站 |
在 Mac 與 Windows 上，從你自己的文件回答問題的私有 AI
檔案、資料夾、PDF、Word、試算表、簡報與掃描檔都在你自己的電腦上讀取與索引，不會上傳到第三方服務。
每個回答都會標注對應檔案以及所在的頁面、簡報頁或工作表，讓你可以自行打開核對。
姓名、電子郵件與電話號碼在問題離開裝置前會被隱藏，並可查看每個答案中被遮蔽的具體內容。
可使用預設 Elephas 閘道、填入你自己的 OpenAI、Claude 或 Gemini API 金鑰，或下載本地模型在本機產生答案，不對外傳送任何內容。
把你的檔案與對話留在自己裝置上的私人 AI 主機
模型在本地運行，聊天與提示詞都在裝置上處理，而非送往遠端資料中心。
聊天、搜尋、筆記與文件庫在斷網時依然可用，讓裝置在離線情境中同樣有價值。
可選 1 TB 或 2 TB 固態儲存，用於照片、影片與文件，全部保留在裝置內部。
私人聊天、深度搜尋、智慧筆記、文件庫、私人相簿與媒體播放器皆為該硬體從零打造。
免費 / 開源由使用者付費、沒有廣告的搜尋引擎
Jenni is an AI research and academic writing workspace that helps students, researchers, and academics read, write, and cite in one place. Bring in PDFs or import a Zotero or Mendeley library, and Jenni's autocomplete suggests sentences grounded in your own sources, with every suggestion linked to the exact page and paragraph. A built-in writer, AI chat, citation engine covering 10,000+ styles, and a Reviews tool for catching weak or unverified claims make it a full environment for producing cited papers.
Jenni is an AI research and academic writing workspace that helps students, researchers, and academics read, write, and cite in one place. Bring in PDFs or import a Zotero or Mendeley library, and Jenni's autocomplete suggests sentences grounded in your own sources, with every suggestion linked to the exact page and paragraph. A built-in writer, AI chat, citation engine covering 10,000+ styles, and a Reviews tool for catching weak or unverified claims make it a full environment for producing cited papers.
免費 / 開源擁有你自己的智慧：完全在你電腦上執行的私有 AI 助理
以你的文件與知識庫訓練的客製 AI 代理
免費 / 開源Vellum is a personal AI assistant that you own and customize. It runs locally on your machine or in Vellum Cloud, remembers your context over time, connects to your tools and takes real actions like email, calendar, research and file work, with model choice across OpenAI, Anthropic, Gemini or local open weights via Ollama.
免費 / 開源Vellum is a personal AI assistant that you own and customize. It runs locally on your machine or in Vellum Cloud, remembers your context over time, connects to your tools and takes real actions like email, calendar, research and file work, with model choice across OpenAI, Anthropic, Gemini or local open weights via Ollama.
