| 面向/指標 | ![]() | |
|---|---|---|
| 官方網域 | perplexity.ai | textsight.ai |
| 定價模式 | 免費增值 | 免費增值 |
| 每月造訪次數 | 8831.02萬 (88,310,223) | 5.15萬 (51,453) |
| 月流量變化量 | -339.5萬 (-3.7%) | +1.36萬 (+35.8%) |
| 主要市場與市佔 | 🇺🇸 美國 (25.5%) | 🇺🇸 美國 (22.8%) |
| 每月直接造訪 | 6332.07萬 | 9643 |
| 使用者評分 | 4.7 | 3.9 |
| 支援平台 | 網站 | 網站 |
即時 AI 答案引擎與研究工作區,將聯網引用與前沿推理模型結合。
跨數百個來源執行多步驟迭代式網路與文件研究,交叉核對事實並產生結構化、帶引用支持的分析報告,可匯出為 PDF 或分享為互動式 Perplexity Pages。
讓 Pro 與 Max 訂閱者在 Perplexity 自有 Sonar 模型與頂級外部模型(包括 Claude 4、o3-pro 與 Gemini)之間動態切換,或並排比較多模型推理結果。
提供專屬專案工作區,使用者可上傳本機 PDF、試算表與文字檔,設定自訂助理指令,並執行結合私有文件檢索與即時網際網路搜尋的查詢。
將 Perplexity 從被動的問答擴展到代理式執行,透過 Comet 生態把高層使用者請求轉化為已完成的工作流程、多分頁瀏覽器操作與自動化資料綜合。

偵測 AI 寫作、改寫被標記的句子,並在同一頁重新檢測
文中每個句子都會取得獨立的 AI 信心分數與顏色標註,直接指出該改哪幾行,而不是只給一個籠統的總體結論。句子級細節自 Starter 方案起提供。
0–100 的分數,寫作越自然分數越高;每次掃描都會重新計算,讓你在編輯過程中直觀看到數字變化。
改寫引擎只處理讀起來像 AI 所寫的段落,保留原意與語氣。免費帳戶每次約 260 字,付費方案每月增加數千至上萬字,並解鎖 Advanced、Business、Casual 等改寫模式。
偵測、改寫與重新評分都在同一個視窗完成。人性化改寫後可直接對同一段文字複檢,並排比較改寫前後的 AI 比例。

利用 Google 龐大的搜尋索引提供即時解答,但提供的是標準聊天介面,而非深度的研究動態。
利用 Google 龐大的搜尋索引提供即時解答,但提供的是標準聊天介面,而非深度的研究動態。

Integrates real-time social data search for breaking news, but leans more toward casual chat than structured research.
QuillBot is an AI writing suite best known for its paraphrasing tool. Users paste or type text and have it rewritten in different tones and styles, while companion tools handle grammar checking, summarizing, citations, plagiarism checks and AI content detection. It is widely used by students, writers and professionals.
QuillBot is an AI writing suite best known for its paraphrasing tool. Users paste or type text and have it rewritten in different tones and styles, while companion tools handle grammar checking, summarizing, citations, plagiarism checks and AI content detection. It is widely used by students, writers and professionals.
ZeroGPT is an AI content detection platform with a text AI detector, AI image and video detectors, AI humanizer, plagiarism checker, and a set of writing tools including paraphraser, summarizer, grammar checker, translator, and citation helper.

提供具代理能力的多來源研究與網頁生成功能,但相較於 Perplexity 乾淨的解答引擎,可能會顯得較雜亂。

專項更強HumanizeAI.pro is a free, no-signup web tool that rewrites AI-generated text so it reads more like something a person actually wrote. Paste your ChatGPT, Gemini, or Claude output, clear the captcha, and the site returns a smoother, more conversational version that keeps your keywords and meaning intact.
專項更強HumanizeAI.pro is a free, no-signup web tool that rewrites AI-generated text so it reads more like something a person actually wrote. Paste your ChatGPT, Gemini, or Claude output, clear the captcha, and the site returns a smoother, more conversational version that keeps your keywords and meaning intact.

專項更強Offers a comprehensive free index of academic literature, but lacks conversational chat synthesis for general web queries.
專項更強Offers a comprehensive free index of academic literature, but lacks conversational chat synthesis for general web queries.

專項更強與 Perplexity 廣泛的一般網路搜尋不同,它專注於經同儕審查的科學論文,以提供基於證據的解答。

Combines privacy-focused web search with AI summarization, though it requires a paid subscription for full access.
Combines privacy-focused web search with AI summarization, though it requires a paid subscription for full access.
專項更強讓 AI 文字更像人寫,並可檢測真人程度