Perplexity Comet: 在瀏覽器中直接內嵌 AI 助理來產生搜尋摘要，但缺乏 Dia 那種深度的多分頁內容整合能力。 Dia 瀏覽器每月有 1,254,172 次造訪，月增率 +108.4%，定價模式為免費。Perplexity Comet 每月有 4,165 次造訪，成長率 -12.2%，定價模式為免費增值、付費。
Comet is Perplexity's AI-powered browser. It puts an assistant inside the browsing experience so you can ask questions about what is on screen, summarize pages, draft emails, build small artifacts, and delegate multi-step tasks across the web.
| 面向／指標 |  | |
|---|---|---|
| 官方網域 | diabrowser.com | comet.perplexity.ai |
| 定價模式 | 免費 | 免費增值、付費 |
| 每月造訪次數 | 125.42萬 (1,254,172) | 4165 (4,165) |
| 月流量變化量 | +65.24萬 (+108.4%) | -580 (-12.2%) |
| 主要市場與市佔 | 🇺🇸 美國 (29%) | 🇨🇳 中國 (100%) |
| 每月直接造訪 | 74.04萬 | 2861 |
| 使用者評分 | 4.3 | 4.6 |
| 支援平台 | 網站 | 網站 |
讀懂你分頁的 AI 瀏覽器
在一天開始前彙整行事曆、收件匣與關鍵連結，讓你清楚今天要面對什麼。
問一次即可，Dia 會檢索已開啟分頁以及已連接的 Slack、Notion、Teams、GSuite 等工具，給出脈絡完整的答案。
索取簡報或摘要時，回傳的是可直接展示的投影片與可分享報告，而不是原始聊天文字。
呈現工作真正發生的位置，例如某個 PR 或規格草稿，一次點擊直達正確頁面。
Comet is Perplexity's AI-powered browser. It puts an assistant inside the browsing experience so you can ask questions about what is on screen, summarize pages, draft emails, build small artifacts, and delegate multi-step tasks across the web.
The assistant understands the page you are on, so you can ask follow-up questions and get answers grounded in what you are reading.
Delegate tasks like drafting replies, creating study plans, or building a simple website, with the assistant taking actions for you.
Comet runs on Mac, Windows, iOS, and Android, so your browsing and your assistant follow you across devices.
Perplexity's answer engine is built in, so research and web search stay inside the browser instead of a separate tab.
專項更強Muse is Meta's personal AI agent that takes on real everyday tasks — from sorting email and booking reservations to shopping, managing calendars and building fitness plans — using its own secure virtual computer in the cloud.
專項更強由使用者付費、沒有廣告的搜尋引擎
免費 / 開源Provides an open-source desktop AI workforce for browser and terminal tasks, though less polished as a daily web browser.
在隱私瀏覽器中結合本機 LLM 與網頁自動化，但缺乏 Dia 的原生工作區整合功能。
專項更強Operates as a browser extension rather than a dedicated AI browser, excelling at page summarization and writing.
專項更強Operates as a browser extension rather than a dedicated AI browser, excelling at page summarization and writing.
Provides an AI companion for page summarization and natural-language search within macOS, though in early alpha.
Provides an AI companion for page summarization and natural-language search within macOS, though in early alpha.
專項更強以 Chromium 為基礎的 AI 瀏覽器，替你跑完冗長的網路任務
專項更強Acts as an AI search engine delivering conversational research summaries, rather than a full tab-synthesizing desktop browser.
專項更強理解你的上下文、能自主執行任務的 AI 原生瀏覽器
免費 / 開源Nextbrowser is a free, open-source desktop app that connects your own local AI agents to real browser sessions and isolated profiles, so you can automate research, scraping, outreach and account workflows by simply giving instructions.
免費 / 開源Nextbrowser is a free, open-source desktop app that connects your own local AI agents to real browser sessions and isolated profiles, so you can automate research, scraping, outreach and account workflows by simply giving instructions.
