Complexity 每月有 6,671 次造訪,月增率 +5.9%,定價模式為免費。MemFree 每月有 2,475 次造訪,成長率 +16.5%,定價模式為免費增值。

MemFree is a hybrid AI search engine that answers questions by combining live internet results with your own uploaded knowledge base. It also summarizes pages, searches Twitter, explains code and generates shareable answer pages, aiming to return accurate answers faster.
| 面向/指標 | ![]() | |
|---|---|---|
| 官方網域 | cplx.ai | memfree.me |
| 定價模式 | 免費 | 免費增值 |
| 每月造訪次數 | 6671 (6,671) | 2475 (2,475) |
| 月流量變化量 | +374 (+5.9%) | +351 (+16.5%) |
| 主要市場與市佔 | 🇺🇸 美國 (65%) | 🇺🇸 美國 (69.3%) |
| 每月直接造訪 | 2699 | 975 |
| 使用者評分 | 4.2 | 4.3 |
| 支援平台 | 網站 | 網站 |
幫你解答世界萬物問題的 AI 知識引擎
用日常語言提問,得到綜合性回答,而不是未經篩選的連結列表。
首頁提供量子計算、AI 與就業市場、地緣政治等提示詞,讓你輕鬆起步。
極簡版面讓注意力集中在你的问题與答案上,沒有儀表板干擾。
適用於科學、技術、經濟與時事等多個領域,而非單一狹窄領域。

MemFree is a hybrid AI search engine that answers questions by combining live internet results with your own uploaded knowledge base. It also summarizes pages, searches Twitter, explains code and generates shareable answer pages, aiming to return accurate answers faster.
Combines live internet search with a personal knowledge base so answers draw on both public sources and your own documents.
Search, compare and summarize multiple images, and generate pages that pull in visual results alongside text.
Upload documents to build a knowledge base you can query directly for grounded answers to your own material.
Read, explain and even write code, making it useful for quickly understanding unfamiliar snippets.

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.
Metaso AI (秘塔AI搜索) is a Chinese AI search engine that returns synthesized, source-backed answers instead of an ad-filled list of links. It searches the open web, document libraries, and academic literature, then organizes results into structured reports with citations you can trace.
Metaso AI (秘塔AI搜索) is a Chinese AI search engine that returns synthesized, source-backed answers instead of an ad-filled list of links. It searches the open web, document libraries, and academic literature, then organizes results into structured reports with citations you can trace.
由使用者付費、沒有廣告的搜尋引擎
WolframAlpha is a computational knowledge engine that answers factual, mathematical, and scientific queries by computing results from curated data and algorithms rather than just searching for them.
WolframAlpha is a computational knowledge engine that answers factual, mathematical, and scientific queries by computing results from curated data and algorithms rather than just searching for them.
用科學證據回答醫學問題