比較一覧表
| 順位 | サービス名 | 料金 | 特徴 | 日本語対応 | プラン | 評価 |
|---|---|---|---|---|---|---|
| 1位 | Notion AI + Plus Plan | $18/month | AI features + full functionality | ◎ | 有料 | ★★★★☆ 4.7 |
| 2位 | Notion AI + Free Plan | $10/month | AI features + basic functionality | ◎ | 有料 | ★★★★☆ 4.4 |
| 3位 | Notion Business + AI | $28/user/month | Full features for teams | ◎ | 有料 | ★★★★☆ 4.5 |
Notion AI
Notion AI is an AI feature integrated into Notion, the popular document creation and project management tool. As of 2026, Notion AI has received major updates, with AI now assisting a wide range of tasks — from writing and information organization to team knowledge management.
In this article, we cover every Notion AI feature and explain 20 practical use cases with real examples to dramatically boost your work efficiency.
What Is Notion AI? Core Features Explained
Notion AI is an AI assistant integrated directly into Notion’s workspace. You can invoke AI within any document to generate, edit, summarize, and translate text.
Key Notion AI Features
- Text generation: Draft blog posts, emails, and reports
- Summarization: Extract key points from long documents
- Translation: Multilingual translation (Japanese supported)
- Q&A: Search and answer questions across your workspace
- Database auto-fill: AI-powered property suggestions
- Text improvement: Tone changes, proofreading, rewriting
20 Ways to Triple Your Work Efficiency with Notion AI
Category 1: Writing & Editing (6 Tips)
1. Auto-Organize Meeting Notes
Simply hand your rough meeting notes to Notion AI, and it transforms them into structured meeting minutes. It automatically categorizes attendees, decisions, and action items into a clean, readable format — incredibly useful.
2. Draft Email Messages
Just type something like “email to send a quote to a client,” and Notion AI generates a professionally-worded email. It’s a great safety net when you’re unsure about formal business language.
3. Create Blog Post Outlines
Specify your keyword and target audience, and Notion AI generates an SEO-friendly article outline. It can create everything from H2/H3 heading structures to body text drafts.
4. Write Reports
Enter data and facts as bullet points, then instruct the AI to “format this as a formal report” — and you’ll have a polished document ready to go.
5. Change Writing Tone
Convert casual text to formal, or vice versa. This is incredibly handy when you need different tones for internal vs. external communications.
6. Multilingual Translation
Translate documents directly within Notion into other languages. It supports English-Japanese as well as Chinese, Korean, French, and many more.
Category 2: Information Organization & Knowledge Management (5 Tips)
7. Knowledge Search with Q&A
Notion AI’s Q&A feature searches across all documents in your workspace and returns answers to your questions. Simply ask “What were last month’s sales figures?” and it will find and summarize the relevant information.
8. Summarize Long Documents
AI can condense documents spanning dozens of pages into a concise summary of just a few lines. This dramatically reduces reading time and speeds up information gathering.
9. Auto-Fill Database Properties
In task and project databases, AI automatically suggests and fills in categories, priorities, and tags based on the content.
10. Auto-Tag Documents
For internal wikis and knowledge bases, AI analyzes page content and automatically assigns appropriate tags, improving organization and searchability.
11. Detect Duplicate Content
AI identifies similar documents within your workspace and suggests consolidation. This prevents information fragmentation and keeps your knowledge base organized.
Category 3: Project Management (5 Tips)
12. Auto-Generate Task Descriptions
From a task title alone, AI generates detailed descriptions, acceptance criteria, and checklists. This dramatically reduces ticket creation time.
13. Auto-Create Status Reports
Based on project database information, AI automatically generates weekly and monthly status reports, reducing reporting workload for managers.
14. Risk Analysis
Have AI analyze your project plan to identify potential risks and blind spots. It’s an easy way to get a third-party perspective review.
15. Timeline Optimization Suggestions
Based on task dependencies and estimated durations, AI suggests optimal schedule distributions.
16. Organize Retrospectives
AI analyzes team retrospective comments, extracts common themes, and suggests action items.
Category 4: Team Collaboration (4 Tips)
17. Create Onboarding Materials
AI auto-generates onboarding guides for new team members from your existing documentation.
18. Auto-Generate FAQs
Based on internal documents, AI automatically creates frequently asked questions and their answers.
19. Draft Proposals & Plans
Just provide an overview, and AI drafts a compelling proposal with structure and body text.
20. Communicate with Multilingual Teams
Translate Japanese documents into English to facilitate smooth information sharing with overseas teams.
Notion AI Pricing Plans
| Plan | Notion Price | AI Add-on | Total |
|---|---|---|---|
| Free | Free | $10/month | $10/month |
| Plus | $8/month | $10/month | $18/month |
| Business | $15/user/month | $10/user/month | $25/user/month |
| Enterprise | Contact sales | $10/user/month | Contact sales |
Notion AI can be added to any plan for $10/month. Annual billing offers a discount, making it the better deal for long-term use.
Notion AI vs ChatGPT: When to Use Each
| Aspect | Notion AI | ChatGPT |
|---|---|---|
| Best for | Workflows inside Notion | General-purpose AI use |
| Strength | Understands workspace context | Broad knowledge & flexible dialogue |
| Data integration | Direct database connection | External file uploads |
| Team use | Instant use in shared workspace | Primarily individual |
For those already using Notion for work, Notion AI is the most efficient way to seamlessly leverage AI within your existing workflow.
Conclusion
Notion AI is more than just an AI writing tool — it’s a powerful feature that makes your entire workspace intelligent.
- Cut writing time in half
- Streamline information organization and search
- Automate project management
- Strengthen team collaboration
If you’re already a Notion user, simply adding the AI feature can transform how you work. Start with the free trial to experience the convenience for yourself.
Frequently Asked Questions (FAQ)
Q: Does Notion AI work in Japanese?
A: Yes, it has full Japanese support. All features — text generation, summarization, translation, and Q&A — work in Japanese.
Q: How much does Notion AI cost? Is there a free option?
A: Notion AI is available as a $10/month add-on. A free trial is offered, so we recommend giving it a try first.
Q: How should I use ChatGPT and Notion AI together?
A: Use Notion AI for tasks inside Notion, and ChatGPT for general-purpose AI tasks. The ability to use AI seamlessly within Notion’s workspace is Notion AI’s greatest advantage.
Related Articles
Notion AI 総合評価
よくある質問(FAQ)
Does Notion AI work in Japanese?
Yes, Notion AI fully supports Japanese. All features — including text generation, summarization, translation, and Q&A — are available in Japanese. The UI can also be switched to Japanese.
How much does Notion AI cost? Is there a free option?
Notion AI costs an additional $10/month. You can add AI features even to Notion's free plan. A free AI trial is available, so we recommend trying it out first.
How should I use ChatGPT and Notion AI together?
Notion AI's biggest advantage is that it works directly within Notion's workspace. If you use Notion for document creation, database management, and project management, Notion AI lets you seamlessly leverage AI within your workflow. Use ChatGPT for general-purpose AI tasks and Notion AI for work inside Notion — that's the most effective approach.
関連トピック
Products & Services in This Article
Notion AI (Plus Plan)
Notion Business Plan
Notion Personal Plan
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