Glean vs NotebookLM: Complete Comparison – Which Is Better? [2026]
Compare Glean and NotebookLM side by side — pricing, features, performance, and more. Find out which tool is the best choice for your needs.
Verdict:Both Glean and NotebookLM are excellent tools in their respective areas. Glean and NotebookLM each have unique strengths, and the best choice depends on your specific needs, budget, and use case. We recommend trying the free tier of both tools to determine which better fits your workflow.
Table of Contents
Glean & NotebookLM Overview
Glean
エンタープライズ向けAI検索プラットフォーム。Slack・Google Drive・Confluence等の社内ツール横断で情報を検索・要約し、企業の知識基盤を統合。
Learn more about Glean →NotebookLM
Google NotebookLM is a free AI research tool that summarizes PDFs, generates audio overviews, and answers questions from your uploaded documents.
Learn more about NotebookLM →Feature & Pricing Comparison
| Feature | Glean | NotebookLM |
|---|---|---|
| Pricing | エンタープライズ（要問い合わせ） | Free / Plus $7.99//mo |
| Target Users | 企業・チーム（100名以上推奨） | 個人・小規模チーム |
| データソース | 100以上の業務アプリ横断検索 | ユーザーがアップロードしたドキュメント |
| 検索範囲 | 全社の知識ベース | 個別プロジェクトのソース限定 |
| 音声機能 | なし | Audio Overview（AI音声要約） |
| Security | エンタープライズ（SOC2・SAML） | Googleアカウントベース |
| API連携 | 広範（Slack, Teams, Jira等） | Google Docs・Drive連携 |
| 回答の根拠 | 社内ドキュメントから引用 | アップロードソースから引用 |
Our Verdict
Our Verdict
Both Glean and NotebookLM are excellent tools in their respective areas. Glean and NotebookLM each have unique strengths, and the best choice depends on your specific needs, budget, and use case. We recommend trying the free tier of both tools to determine which better fits your workflow.
Recommendations by Use Case
Users who need a comprehensive, all-in-one solution
Glean offers a broader feature set and wider ecosystem of integrations, making it ideal for users who want an all-in-one platform.
Users focused on specific, specialized tasks
NotebookLM excels in its core area with deeper functionality and more refined tools for specialized workflows.
Budget-conscious users or beginners
Glean provides a generous free tier and intuitive interface, making it accessible for new users and those on a tight budget.
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