
專項更強Offers broad general reasoning and document upload capabilities, but lacks specialized academic indexing and citation databases.
SciSpace 每月有 4,464,111 次造訪,月增率 +8.6%,定價模式為免費增值。Zeli 每月有 56,147 次造訪,成長率 -46.8%,定價模式為免費。

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.
| 面向/指標 | ![]() | ![]() |
|---|---|---|
| 官方網域 | scispace.com | zeli.app |
| 定價模式 | 免費增值 | 免費 |
| 每月造訪次數 | 446.41萬 (4,464,111) | 5.61萬 (56,147) |
| 月流量變化量 | +35.54萬 (+8.6%) | -4.93萬 (-46.8%) |
| 主要市場與市佔 | 🇺🇸 美國 (13.2%) | 🇨🇳 中國 (65.1%) |
| 每月直接造訪 | 131.51萬 | 4萬 |
| 使用者評分 | 4.6 | 4.3 |
| 支援平台 | 網站 | 網站 |

用來閱讀、理解與撰寫科學論文的 AI 研究平台
開啟或上傳論文後直接提問,對標亮段落取得白話解釋,並以對話方式梳理方法、結果與限制。
在涵蓋 Google Scholar、PubMed 與 arXiv 的大型學術索引中檢索,並據此產生結構化的文獻回顧與相關研究段落。
提供起草用的 AI Writer、維持學術語氣的改寫器,以及支援常見格式的引用產生器。
把論文中的表格與結果整理成結構化資料,並用內建偵測器判斷稿件是否帶有 AI 生成痕跡。

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.

專項更強Offers broad general reasoning and document upload capabilities, but lacks specialized academic indexing and citation databases.
專項更強Focuses heavily on assisted academic drafting and autocomplete, whereas SciSpace centers more on reading and analysis.
專項更強Focuses heavily on assisted academic drafting and autocomplete, whereas SciSpace centers more on reading and analysis.
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.
像 SciSpace 一樣簡化了文獻搜尋與參考文獻管理,但有著獨特的引用工作流程。
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.

Searches academic sources and generates literature reviews, but lacks some of SciSpace's advanced collaborative workspace features.
Searches academic sources and generates literature reviews, but lacks some of SciSpace's advanced collaborative workspace features.