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NotebookLM 的價格、免費額度與實際用法

✓ 最後查核：2026-07-27

NotebookLMAI Data Organization/Note-taking — Google

Free Plan Available or Has Free Plan or Free Plan

What Is This

A godsend for students and researchers to feed data and generate summaries/podcasts

Free Version Limitations

The free version is sufficient and permanently free, with limits on the number of sources or notebooks, and does not require subscription or credit card.

Available Models And Quantity

ModelFree QuotaCalculate Time WindowDescription
Gemini（由 Google 決定版本）每天 50 次對話查詢每天免費版不能自選模型

Free Usage Limit

FeaturesFree QuotaDescription
筆記本數量100 本
每本可放來源數50 個PDF、網頁、YouTube 影片、Google 文件都算
每日對話次數50 次免費版最先撞到的限制
生成 Podcast 語音摘要可用免費版就能用，這是它最受歡迎的功能
Quota Resets AtDaily reset
Terms Of Use需 Google 帳號登入
Free Version For Commercial Use可以
Common Pitfalls

The free version's quota is actually sufficient for most people to use, with 100 notes and 50 sources per note, and most people won't even use it up, so there's no need to rush into paying.

查證來源：NotebookLM 額度說明 2026（官網擋自動查詢，此為第二手來源）、NotebookLM 方案比較

Pricing Plan Differences

Google AI Plus
US$4.99/月
約 NT$157

含NotebookLM更高額度(2TB儲存空間)，新增之最低階付費方案

Subscribe On Official Website
Google AI Pro
適合：Graduate students, those who need to handle a large number of documents at the same time
US$19.99/月
約 NT$630

含NotebookLM更高額度(5TB儲存空間)；原資料標示US$20，官網現為US$19.99

Which ModelGemini（隨 Google AI Pro 方案升級）
Usage QuotaNotebooks 100→500, sources per notebook 50→300, daily conversations 50→500 times
Max Reading Time可處理的資料量大幅提升
This Plan Includes
  • 500 本筆記本
  • 每本 300 個來源
  • 每日 500 次對話
  • 隨 Google AI Pro 訂閱一起給
Not Included
  • Ultra 方案的 500-600 來源上限
What Sets Us Apart

This is not a standalone plan, but an add-on that comes with a subscription to Google AI Pro (US$20/month). If you were already planning to subscribe to Gemini, it's essentially a free upgrade.

Subscribe On Official Website
Google AI Ultra 5x
US$99.99/月
約 NT$3150

由US$249.99修正為兩檔式結構(官網gemini.google/subscriptions直接確認)；含NotebookLM最高額度(20TB儲存空間)，較Pro 5倍用量

Subscribe On Official Website
Google AI Ultra 20x
US$199.99/月
約 NT$6300

由單一US$249.99修正為兩檔式結構(官網gemini.google/subscriptions直接確認)；含NotebookLM最高額度(20TB儲存空間)，較Pro 20倍用量；one.google.com/about/plans頁面未列出此方案

Subscribe On Official Website

方案內容查證來源：NotebookLM 方案比較（官網擋自動查詢，此為第二手來源）

Similar Options

下面都是跟 NotebookLM 同一類的工具，免費額度與收費方式不一樣，可以一起比。

Perplexity logo Perplexity AI 搜尋引擎

AI 搜尋引擎,答案附來源,查資料型用戶首選

FreeDaily basic searches are unlimited, Pro searches are limited to a small amount per day
View Full Description Visit Website
Felo logo Felo AI 搜尋引擎

日系 AI 搜尋,繁中在地化佳,免費額度大方

FreeThe free version offers unlimited basic searches, and approximately 5 Pro searches per day (200 points per day, reset at midnight). After using up 15,000 points in the paid Pro plan, users can still enjoy up to 300 Pro searches per day (confirmed on 2026-07-26: the official website's latest blog post states 300 times, while the FAQ page stating 100 times is outdated and has not been updated).
View Full Description Visit Website
Canva AI logo Canva AI 線上設計＋AI

設計平台內建 AI 全家桶,生圖/簡報/影片一站

FreeFree version includes up to 200 Standard AI features or 20 Premium AI features, plus 5GB storage space and 1 brand kit (3 colors)
View Full Description Visit Website

Using Information

DeveloperGoogle
CategoryProductivity Search & research
Platform網頁
Chinese Support完整支援
Official Link前往 NotebookLM 官網 →

Notes

行動裝置(iOS/App/平板)支援情況尚待逐一核實，目前僅列網頁版。NotebookLM本身無獨立付費方案，需透過Google AI訂閱(Plus/Pro/Ultra)或Google Workspace Business以上方案取得進階額度。2026-07-26查核修正：原記錄之單一Ultra US$249.99實際不存在，官網gemini.google/subscriptions確認為兩檔式Ultra 5x(US$99.99)/20x(US$199.99)，與gemini/nano-banana條目一致。

View Change History

2026-07-27 (官網 one.google.com/about/plans、gemini.google/subscriptions 皆直接WebFetch成功) AI Plus $9.99/2TB(one.google.com版本)、Pro $19.99/5TB、Ultra 5x/20x $99.99/$199.99/20TB皆無變動；再次確認兩頁面同名『Google AI Plus』雙SKU($9.99/2TB vs $4.99/400GB)並存現象仍未被官方統一，持續標註待釐清。
2026-07-27 (官網one.google.com/about/plans與gemini.google/subscriptions皆直接WebFetch成功) Google AI Plus/Pro/Ultra皆無變動，同名『Google AI Plus』雙SKU並存現象持續，免費版永久免費無變動。
2026-07-27 (官網one.google.com/about/plans與gemini.google/subscriptions皆直接WebFetch成功) one.google.com版本AI Plus $9.99/2TB、Pro $19.99/5TB、gemini.google版本AI Plus $4.99/400GB、Ultra 5x/20x $99.99/$199.99皆無變動；同名『Google AI Plus』雙SKU並存現象再次確認仍未被官方統一，持續標註待釐清。
2026-07-27 (官網one.google.com/about/plans與gemini.google/subscriptions皆直接WebFetch成功) 兩頁面版本(AI Plus $9.99/2TB vs $4.99/400GB等)雙SKU並存現象與既有記錄相符，AI Pro $19.99、AI Ultra $99.99-$199.99皆無變動。
2026-07-27 (官網one.google.com/about/plans直接WebFetch成功複核) 逐字確認「Google AI Plus $9.99/mo・2TB」「Google AI Pro $19.99/mo・5TB」皆無變動，本條目沿用one.google.com版本數字之既有決策維持不變；另有WebSearch來源誤將gemini.google/subscriptions頁面之$4.99/400GB版本(用於gemini/nano-banana條目)當作本條目之新價格，經核對後排除，非本條目之變動，雙SKU並存現象為官方既有現況非本站誤植。
2026-07-27 (官網one.google.com/about/plans與gemini.google/subscriptions皆直接WebFetch成功) one.google.com版本AI Plus $9.99/2TB、AI Pro $19.99/5TB(含NotebookLM擴容，該頁未列Ultra方案)；gemini.google版本AI Plus $4.99/400GB、AI Ultra 5x/20x $99.99/$199.99皆無變動；雙SKU並存現象持續，免費版仍永久免費。
2026-07-27 (官網blog.google／one.google.com/about/google-ai-plans/直接WebFetch確認+WebSearch多篇來源9to5google.com/digitalapplied.com/felloai.com交叉比對) 修正原資料庫錯誤：Google AI Plus 由 US$9.99 修正為 US$4.99（此為與Gemini獨立訂閱入口一致之現行售價，儲存空間400GB；原US$9.99記錄疑似對應one.google.com/about/plans頁面另一同名2TB版本，本項目先前未同步更新，予以修正）；Google AI Pro $19.99、AI Ultra 5x/20x $99.99/$199.99皆無變動；官網另揭露AI Plus新訂戶「前2個月5折優惠」，未標示截止日；免費版永久免費、無須訂閱皆無變動。
2026-07-26 11:02:57 (官網 one.google.com/about/plans 直接查核，gemini.google/subscriptions因登入牆本次未重新讀取) NotebookLM專用之Google AI Plus US$9.99/2TB版本(one.google.com/about/plans列出者)無變動；再次確認gemini.google/subscriptions同名但規格不同之US$4.99/400GB版本為Google官方並存現象(非本站誤植)，Pro/Ultra 5x/20x皆無變動。
2026-07-26 (官網 gemini.google/subscriptions、one.google.com/about/plans 皆直接查核) 重大修正：原記錄Google AI Ultra單一US$249.99並無官網依據，官網gemini.google/subscriptions明確列出兩檔式Ultra 5x(US$99.99)/20x(US$199.99)，已更正paid_plans；AI Plus雙重命名($4.99/400GB vs $9.99/2TB)現象持續存在。
2026-07-26 (官網 gemini.google/subscriptions、one.google.com/about/plans 皆直接查核) AI Plus/Pro/Ultra 5x/20x價格皆無變動，雙重命名現象持續存在，Ultra僅見於gemini.google/subscriptions頁面。
2026-07-26 (官網one.google.com/about/plans與gemini.google/subscriptions皆直接查核) 兩官網頁面對「Google AI Plus」價格持續不一致(one.google.com列US$9.99/2TB，gemini.google列US$4.99/400GB)，本條目沿用one.google.com/about/plans數字不變；Pro US$19.99、Ultra 5x/20x皆無變動，one.google.com/about/plans本次查核仍未列出Ultra方案。
2026-07-26 (官網one.google.com/about/plans、gemini.google/subscriptions直接查核) AI Plus/Pro/Ultra 5x/20x價格皆無變動；兩頁面同名『Google AI Plus』雙SKU並存現象與gemini條目一致，持續待釐清。
2026-07-25 初次建檔
2026-07-25 (官網 one.google.com/about/plans) 新增最低階Google AI Plus(US$9.99/月)供NotebookLM擴容；原方案US$20調整為Google AI Pro US$19.99/月；另有Google AI Ultra(US$249.99/月，來源=第三方新聞)為更高階新方案；免費版仍永久免費。
2026-07-25 (官網 one.google.com/about/plans) Google AI Plus US$9.99/2TB、Pro US$19.99/5TB與3小時前查證結果相符，無變動；市面部分報導提及另有US$4.99/400GB版本的Google AI Plus(用於nano-banana/gemini訂閱)，與此頁所列US$9.99/2TB非同一方案，暫不影響本條目數字。

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