Microsoft Copilot vs NotebookLM comparison

By starting price alone, NotebookLM is $5 cheaper. But price is not everything, so check the highlighted rows in the table below.

Microsoft Copilot and NotebookLM compared side by side in AI.

CurrencyUSDKRWEUR

Microsoft Copilot

Microsoft's AI assistant built into Windows, Edge and Office

What is good

  • Works directly with Windows, Word and Excel
  • Latest-level models available for free

What could be better

  • Office integration features need a Microsoft 365 subscription
  • Weak personality as a standalone chatbot

Microsoft Copilot official site

NotebookLM

A Google AI notebook that makes summaries, questions and audio overviews based only on the material you upload (renamed Gemini Notebook in July 2026)

What is good

  • Based on your own material, so fewer off-topic answers
  • Podcast-style audio summaries
  • Free

What could be better

  • By default it does not answer with information from outside your material
  • Heavy features such as Video Overviews use up your allowance quickly

NotebookLM official site

At a glance

Highlighted rows are where they differ.

ItemMicrosoft CopilotVisit siteNotebookLMVisit site
Starting price$9.99+Official USD price$4.99+Official USD price
Free tierFree plan availableFree plan available
Korean supportGoodGood
Main models
  • OpenAI GPT-5 family (Smart/Think Deeper)
  • GPT-5.5/Claude selectable for business
  • MAI in-house models (image/voice)
  • Gemini 3 family (auto-selected)
  • Audio/Video Overviews
  • Code execution (Ultra)
TypeAI servicesAI services
CategoryChatbot/Assistant, Writing/ProductivityWriting/Productivity
CompanyMicrosoft, United StatesGoogle, United States
Plans
  • Free
  • M365 Personal $9.99
  • Family $12.99
  • Premium $19.99
  • Pro $99.99
  • For business: Copilot Business $21 (annual), Enterprise $30 (annual)
  • Free
  • AI Plus $4.99
  • AI Pro $19.99
  • AI Ultra $99.99/$199.99
  • Workspace/business
Pros
  • Works directly with Windows, Word and Excel
  • Latest-level models available for free
  • Based on your own material, so fewer off-topic answers
  • Podcast-style audio summaries
  • Free
Cons
  • Office integration features need a Microsoft 365 subscription
  • Weak personality as a standalone chatbot
  • By default it does not answer with information from outside your material
  • Heavy features such as Video Overviews use up your allowance quickly

Prices and benefits may change. Check the official site before you pay.

Prices converted at 1 USD = ₩1,325.57 (2026-10-21). Original price shown in brackets. Taxes as listed by each provider.

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