專項更強Anthropic 的前沿 AI 工作空間,由 Claude 5.5 驅動,擅長代理式程式開發、分析與細膩寫作。
ChatPDF 每月有 1,044,477 次造訪,月增率 -3.7%,定價模式為免費增值。OpenRead 每月有 27,098 次造訪,成長率 -51.6%,定價模式為免費增值、付費、需聯絡報價。
OpenRead is an AI research platform that lets you search across a huge corpus of scholarly papers, ask questions of individual documents or whole collections, compare findings, and keep notes in one connected workspace.
| 面向/指標 | ||
|---|---|---|
| 官方網域 | chatpdf.com | openread.academy |
| 定價模式 | 免費增值 | 免費增值、付費、需聯絡報價 |
| 每月造訪次數 | 104.45萬 (1,044,477) | 2.71萬 (27,098) |
| 月流量變化量 | -4.05萬 (-3.7%) | -2.88萬 (-51.6%) |
| 主要市場與市佔 | 🇺🇸 美國 (9.6%) | 🇮🇩 印尼 (27.2%) |
| 每月直接造訪 | 45.78萬 | 7067 |
| 使用者評分 | 4.2 | 4.3 |
| 支援平台 | 網站 | 網站 |
與任何 PDF、影片或網頁對話,幾秒內取得附引用的答案
每則回答都錨定來源文件,附可點擊引用並自動捲動至特定段落,核對只要幾秒,不必逐頁翻找。
將文件歸入資料夾,在同一個對話中查詢多個檔案,方便比較論點、交互核對結論或一次複習整門課程。
把冗長的論文、報告與合約濃縮成重點,也支援以任何語言翻譯或提問——甚至可用一種語言上傳、另一種語言提問。
依素材自動產生單字卡與簡報,並使用內建 AI 寫作與 AI 偵測功能來起草與檢查學術文本。
OpenRead is an AI research platform that lets you search across a huge corpus of scholarly papers, ask questions of individual documents or whole collections, compare findings, and keep notes in one connected workspace.
Search a corpus of hundreds of millions of papers by meaning, with new content indexed continuously from thousands of journals.
Ask questions of any paper and place multiple studies side by side to spot agreements, contradictions and the bigger picture.
A visual graph maps how papers and concepts connect, helping you find adjacent work you would otherwise miss.
Upload your own PDFs, capture reading notes, and organize everything in a single research workspace.
專項更強Anthropic 的前沿 AI 工作空間,由 Claude 5.5 驅動,擅長代理式程式開發、分析與細膩寫作。

Semantic Scholar is a free, non-commercial academic search engine built by the Allen Institute for AI (Ai2). It indexes more than 240 million papers from every field of science and uses machine learning to extract meaning from abstracts, citations, figures and tables, so researchers find relevant work faster than with keyword-only search.
Semantic Scholar is a free, non-commercial academic search engine built by the Allen Institute for AI (Ai2). It indexes more than 240 million papers from every field of science and uses machine learning to extract meaning from abstracts, citations, figures and tables, so researchers find relevant work faster than with keyword-only search.
免費 / 開源Completely free PDF reading and editing tool with AI assistant, though basic compared to dedicated platforms.
跨裝置的免費 AI PDF 編輯、轉換與閱讀工具
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.

Combines full desktop PDF editing software with AI chat, but requires software installation for full features.

ResearchRabbit is a free AI research discovery tool that maps the literature around the papers you care about. Seed it with a paper you like and it visualises related work, key authors and emerging topics, learning from your choices to surface the research you have been missing.
ResearchRabbit is a free AI research discovery tool that maps the literature around the papers you care about. Seed it with a paper you like and it visualises related work, key authors and emerging topics, learning from your choices to surface the research you have been missing.
具備強大的多格式文件聊天與填表功能,但介面感覺稍微凌亂了一點。