CitedEvidence vs Firecrawl

免費 / 開源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 / 開源面向同儕審查文獻的 AI 學術搜尋引擎

免費 / 開源用來閱讀、理解與撰寫科學論文的 AI 研究平台

專項更強擁有龐大的強大網路爬蟲與 Actor 市集，但比 Firecrawl 簡單的 API 需要更多設定。

免費 / 開源面向循證文獻回顧與綜整的 AI 研究助手

免費 / 開源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 live web search and cloud browsers for agentic automation, but less specialized in clean markdown generation.

針對語意網路搜尋與 AI 代理檢索進行最佳化，但較少專注於整站的 Markdown 爬取。

內建深度研究代理與網路搜尋 API，但較不著重於將原始網站直接轉換為 Markdown。

免費 / 開源基於 3 億 + 篇學術全文的 AI 答案

免費 / 開源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.

專項更強具備強大爬蟲工具的企業級代理伺服器基礎設施，但若只是要簡單轉換 Markdown，複雜度與價格都明顯高出許多。