# Velin 依據 OpenAITools.app 於 2026-11-11 查驗的觀測資料，Velin（velin.ai）是收錄於 AI 行銷的 AI 平台，每月產生 0 次造訪，月流量變化量為 +0（0%）。其主要地理市場為全球（流量佔比 —），並採用付費定價模式。依每月流量計算的主要競爭替代方案包括 Elephas（每月 7.66萬次造訪），LlamaIndex（每月 38.79萬次造訪），Petal（每月 1.04萬次造訪）。 Velin is a retrieval-augmented generation platform that turns your documents into a searchable knowledge base. You upload sources, ask questions in plain English, and get answers with citations back to the original files instead of hallucinated responses. ## 主要觀測資料與規格 | 指標 | 數值 | | :--- | :--- | | 工具名稱 | Velin | | 代稱 | velin | | Status | active | | Origin | independent | | Maintenance | active | | 官方網域 | velin.ai | | 網站網址 | https://velin.ai | | 分類 | AI 行銷, AI 銷售助理, AI Writing Assistants, AI 行銷方案生成器 | | 定價模式 | 付費 | | 每月造訪次數 | 0 | | 月流量變化 | 0 | | 月成長率 | 0% | | 主要市場 | 全球 | | 市佔率 | — | | 直接造訪 | 0 | | 自然搜尋造訪 | 0 | | 社群造訪 | 0 | | 推薦流量造訪 | 0 | | 電子郵件造訪 | 0 | | 評論分數 | 4 | | 收藏數 | 0 | | 支援平台 | 網站 | | 帳務平台 | | | 屬性 | 功能: 網站; 價格: 免費試用; 價格: 付費; 價格: 需聯絡報價 | | 標籤 | 產品行銷 AI, AI 代理, 整合式產品行銷環境, IPME, 產品發布, 行銷自動化, 行銷活動管理, 內容創作, 銷售賦能, 市場調查, 競爭情報, 行銷規劃, 團隊協作, AI 驅動工具, SaaS | ## 總覽 Velin is a retrieval-augmented generation platform that turns your documents into a searchable knowledge base. You upload sources, ask questions in plain English, and get answers with citations back to the original files instead of hallucinated responses. ## 價格與方案 Paid subscription with Starter, Unlimited and Unlimited Plus tiers. Monthly figures were not rendered on the site during this audit; the page describes pay-as-you-go billing with cancel-anytime. ## 關鍵功能與能力 - **Source upload and indexing:** Upload documents securely and Velin processes and organises them into a ready-to-query knowledge base. - **Retrieval-augmented answers:** Ask questions in plain English and Velin searches your entire library to pinpoint the exact facts and context you need. - **Citations, not hallucinations:** Summaries and insights are generated strictly from your files and include citations back to the original sources. - **Vision and web grounding:** Vision support lets Velin read charts and images, and web search grounding extends answers beyond your files when needed. - **Scale options:** Higher tiers unlock unlimited knowledge libraries, unlimited index retrieval and video RAG for MP4 and YouTube sources. ## 主要使用情境 - **Document research (Researchers):** Build a queryable library of reports, notes and reference material and get cited answers instead of digging through files. - **Policy and contract lookup (Legal and compliance teams):** Keep contract and policy questions grounded in the actual source documents with traceable citations. - **Multi-format analysis (Analysts):** Ask questions across charts, images, documents and video sources in one workspace. - **Team knowledge bases (Knowledge workers):** Turn a team's scattered files into a shared knowledge base that gives consistent, sourced answers. ## 優勢 - Answers are grounded in your files with source citations - Supports vision for charts and images plus web search grounding - Scalable tiers from daily research up to unlimited libraries - Video RAG available for MP4 and YouTube on the top plan - Pay-as-you-go billing with cancel-anytime ## 限制 - Positioning has shifted away from the legacy product-marketing framing, so the current site is a different product story - Monthly price figures were not rendered during this audit - Video RAG is limited to the top tier - Starter tier caps the knowledge library at 100 files ## 常見問題 ### What is Velin? Velin indexes your documents into a knowledge base and uses retrieval-augmented generation to answer questions about them. Responses are grounded strictly in your files and include citations to the original sources. ### What plans does Velin offer? Velin lists a Starter plan for daily research, an Unlimited plan for complete research and reasoning freedom, and an Unlimited Plus plan that adds video file processing. Exact monthly figures were not published on the page during this audit. ### How does Velin avoid hallucination? Answers are generated based strictly on your uploaded files and come with citations, which is how Velin reduces hallucination compared to general-purpose chatbots. ### Can Velin work with video? Yes. The Unlimited Plus tier adds Video RAG for MP4 files and YouTube videos, extending retrieval beyond documents and images. ### Velin 的每月流量與成長趨勢為何？ Velin 目前每月有 0 次造訪，月流量變化為 +0（成長率 0%）。其主要來源市場為全球（佔比 —），其中包含每月 0 次直接造訪與每月 0 次自然搜尋造訪。 ### Velin 是免費的嗎？其定價模式為何？ Velin 採用付費定價模式。Paid subscription with Starter, Unlimited and Unlimited Plus tiers. Monthly figures were not rendered on the site during this audit; the page describes pay-as-you-go billing with cancel-anytime. 支援的帳務與結帳平台包括：未列出。 ### 2026 年最佳的 Velin 替代方案有哪些？ 依據 OpenAITools.app 的分類流量與功能契合度，Velin 的前五大替代方案為：1. Elephas（每月 7.66萬次造訪）; 2. LlamaIndex（每月 38.79萬次造訪）; 3. Petal（每月 1.04萬次造訪）; 4. ContextClue（每月 1643 次造訪）; 5. Cinnamon AI（每月 8874 次造訪）。 ### Velin 支援哪些平台與核心 AI 能力？ Velin 分類於 AI 行銷, AI 銷售助理, AI Writing Assistants, AI 行銷方案生成器，支援以下平台：網站，其核心能力標籤包括：產品行銷 AI, AI 代理, 整合式產品行銷環境, IPME, 產品發布, 行銷自動化。 ## 替代方案 | 工具名稱 | 每月造訪次數 | 定價模式 | 比較 | | :--- | :--- | :--- | :--- | | [Elephas](https://openaitools.app/tw/tool/elephas) | 76,647 | 免費增值 | [比較](https://openaitools.app/tw/compare/elephas-vs-velin) | | [LlamaIndex](https://openaitools.app/tw/tool/llamaindex) | 387,910 | 免費增值、需聯絡報價 | [比較](https://openaitools.app/tw/compare/llamaindex-vs-velin) | | [Petal](https://openaitools.app/tw/tool/ai-powered-document-analysis-platform) | 10,444 | 免費增值 | [比較](https://openaitools.app/tw/compare/ai-powered-document-analysis-platform-vs-velin) | | [ContextClue](https://openaitools.app/tw/tool/contextclue) | 1,643 | 需聯絡報價 | [比較](https://openaitools.app/tw/compare/contextclue-vs-velin) | | [Cinnamon AI](https://openaitools.app/tw/tool/cinnamon-ai) | 8,874 | 需聯絡報價 | [比較](https://openaitools.app/tw/compare/cinnamon-ai-vs-velin) | | [Ambit AI](https://openaitools.app/tw/tool/ambit-ai) | 689 | 需聯絡報價 | [比較](https://openaitools.app/tw/compare/ambit-ai-vs-velin) | | [FileAI](https://openaitools.app/tw/tool/fileai) | 5,565 | 免費增值 | [比較](https://openaitools.app/tw/compare/fileai-vs-velin) | | [ChatPDF](https://openaitools.app/tw/tool/chatpdf) | 1,044,477 | 免費增值 | [比較](https://openaitools.app/tw/compare/chatpdf-vs-velin) | | [AI-Writer](https://openaitools.app/tw/tool/ai-writer) | 14,176 | 免費試用、付費 | [比較](https://openaitools.app/tw/compare/ai-writer-vs-velin) | | [Perplexity](https://openaitools.app/tw/tool/perplexity-ai) | 88,310,223 | 免費增值 | [比較](https://openaitools.app/tw/compare/perplexity-ai-vs-velin) | | [BotifyNow](https://openaitools.app/tw/tool/botifynow) | 29,324 | 免費增值、免費試用 | [比較](https://openaitools.app/tw/compare/botifynow-vs-velin) | | [bundleIQ](https://openaitools.app/tw/tool/bundleiq-com) | 3,031 | 免費增值 | [比較](https://openaitools.app/tw/compare/bundleiq-com-vs-velin) | --- 來源：https://openaitools.app/tw/tool/velin