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头对头基准测试
ChatPDF vs Zeli
ChatPDF 记录了 1,044,477 月访问量，月度环比增长为 -3.7%，定价为免费增值。Zeli 记录了 56,147 月访问量，增长率为 -46.8%，定价为免费。
ChatPDF 记录了 1,044,477 月访问量，月度环比增长为 -3.7%，定价为免费增值。Zeli 记录了 56,147 月访问量，增长率为 -46.8%，定价为免费。
Zeli mirrors the Hacker News front page and attaches an AI summary plus a key quote to every story, translating it all into seven languages. It also digests HuggingFace's daily AI papers. Free, no signup, and available as RSS, plain markdown and JSON.
| 维度 / 指标 | | |
|---|---|---|
| 官方域名 | chatpdf.com | zeli.app |
| 定价模式 | 免费增值 | 免费 |
| 月访问量 | 104.45万 (1,044,477) | 5.61万 (56,147) |
| 月度环比流量变化 | -4.05万 (-3.7%) | -4.93万 (-46.8%) |
| 主要市场与份额 | 🇺🇸 美国 (9.6%) | 🇨🇳 中国 (65.1%) |
| 直接访问 / 月 | 45.78万 | 4万 |
| 用户评分 | 4.2 | 4.3 |
| 支持的平台 | 网站 | 网站 |
与任意 PDF、视频或网页对话，几秒内获得带引用的答案
每条回答都锚定到源文档，附可点击引用并自动滚动到具体段落，核对只需几秒，不必逐页翻找。
把文档归入文件夹，在同一个会话中查询多个文件，便于比较论点、交叉核对结论或一次性复习整门课程资料。
把冗长的论文、报告和合同浓缩为要点，也支持用任意语言翻译或提问——甚至可以用一种语言上传、用另一种语言提问。
根据资料自动生成抽认卡和幻灯片，并使用内置 AI 写作与 AI 检测功能来起草和检查学术文本。
Zeli mirrors the Hacker News front page and attaches an AI summary plus a key quote to every story, translating it all into seven languages. It also digests HuggingFace's daily AI papers. Free, no signup, and available as RSS, plain markdown and JSON.
Each story carries a short summary generated from the linked article plus a standout key quote, so you can judge relevance before clicking through.
The whole feed — titles, summaries and top comment highlights — is available in English, Chinese, Japanese, Korean, German, Spanish and Russian.
Every day gets a permanent page containing every story that hit the front page, retrievable long after the feed has moved on.
Daily AI papers are surfaced with translated titles and AI summaries, making Zeli a research reader as well as a news reader.
免费 / 开源Completely free PDF reading and editing tool with AI assistant, though basic compared to dedicated platforms.
跨设备的免费 AI PDF 编辑、转换与阅读工具
Combines full desktop PDF editing software with AI chat, but requires software installation for full features.
Summarizer.org is a free AI summarizer that condenses text, articles, essays and documents into paragraph or bullet-point summaries with adjustable length.
Summarizer.org is a free AI summarizer that condenses text, articles, essays and documents into paragraph or bullet-point summaries with adjustable length.
具备强大的多格式文档聊天与填表功能，但界面感觉稍微凌乱了一点。
Paper Digest is an AI research platform that summarizes literature, generates literature reviews with citations, and delivers daily digests of new papers across arXiv, PubMed, bioRxiv and major conferences. Launched in 2018 and used by millions of researchers, it combines a citation-backed review engine that avoids inventing results with tools for reading PDFs, writing, question answering, claim verification and topic tracking.
Paper Digest is an AI research platform that summarizes literature, generates literature reviews with citations, and delivers daily digests of new papers across arXiv, PubMed, bioRxiv and major conferences. Launched in 2018 and used by millions of researchers, it combines a citation-backed review engine that avoids inventing results with tools for reading PDFs, writing, question answering, claim verification and topic tracking.
TLDR This is a free online summarization tool that condenses long articles, blog posts, and webpages into short, easy-to-read summaries. Built as both a web app and a browser extension, it also strips ads and clutter, extracts key metadata like author and date, and estimates reading time so you can get the gist without the noise.
TLDR This is a free online summarization tool that condenses long articles, blog posts, and webpages into short, easy-to-read summaries. Built as both a web app and a browser extension, it also strips ads and clutter, extracts key metadata like author and date, and estimates reading time so you can get the gist without the noise.
