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Character.AI vs Gemini Notebook

Features, pricing, ratings, and pros and cons, side by side.

Gemini Notebook logo

Gemini Notebook

Google's Gemini Notebook, formerly NotebookLM, answers questions and builds summaries from your own sources

Freemium
Visit websiteView details

Verdict

Character.AI and Gemini Notebook are both AI Assistants tools. Gemini Notebook scores higher in FinderAtlas's editorial review (8.7 vs 7.6 out of 10), led by value for money. Both have a free plan or trial.

Best overall

Gemini Notebook

  • Students
  • Researchers
  • Educators
  • Analysts

Choose Character.AI if

  • You want a tool built for character role-play.
  • Free tier with unlimited messaging and character creation.
  • Large catalog of user-created characters.

Choose Gemini Notebook if

  • You want a tool built for summarizing and questioning your own documents.
  • Answers cite the uploaded sources, so claims can be checked against the original text.
  • Free Standard tier with 100 notebooks and 50 sources per notebook.
Best for beginners
Character.AI
Best for business
Gemini Notebook

Features

17 features compared.

  • Character chat
    Character.AI
    Available
    Gemini Notebook
    Not available
  • Character creation
    Character.AI
    Available
    Gemini Notebook
    Not available
  • Voice calls
    Character.AI
    Available
    Gemini Notebook
    Not available
  • Memory and pins
    Character.AI
    Available
    Gemini Notebook
    Not available
  • Lorebooks
    Character.AI
    Available
    Gemini Notebook
    Not available
  • Image attachments
    Character.AI
    Available
    Gemini Notebook
    Not available
  • Charms
    Character.AI
    Available
    Gemini Notebook
    Not available
  • Mobile apps
    Character.AI
    Available
    Gemini Notebook
    Not available
  • Source-grounded chat
    Character.AI
    Not available
    Gemini Notebook
    Available
  • Audio Overviews
    Character.AI
    Not available
    Gemini Notebook
    Available
  • Video Overviews
    Character.AI
    Not available
    Gemini Notebook
    Available
  • Study tools
    Character.AI
    Not available
    Gemini Notebook
    Available
  • Reports, slide decks and infographics
    Character.AI
    Not available
    Gemini Notebook
    Available
  • Multiple source types
    Character.AI
    Not available
    Gemini Notebook
    Available
  • Cloud computer
    Character.AI
    Not available
    Gemini Notebook
    Available
  • Gemini app sync
    Character.AI
    Not available
    Gemini Notebook
    Available
  • Sharing and public notebooks
    Character.AI
    Not available
    Gemini Notebook
    Available

Pricing

Plans as listed by each vendor. Check their sites for current prices.

  • Pricing model
    Character.AI
    Freemium
    Gemini Notebook
    Freemium
  • Free plan
    Character.AI
    Yes
    Gemini Notebook
    Yes
  • Starting price
    Character.AI
    $0
    Gemini Notebook
    $0
  • Plans
    Character.AI
    3 plans
    Gemini Notebook
    5 plans

Character.AI plans

  • Free

    $0

    Free chat with ads and slow mode

    • Free messaging
    • Character creation
    • Basic memory
    • 15 pins
    • Basic lorebook

  • (c.ai) lite

    $4.99/month

    Mid-tier plan with fewer ads

    • Fewer ads
    • Better memory
    • 30 pins
    • Detailed memory usage
    • Less slow mode

  • c.ai+

    Most popular

    $9.99/month

    Top tier with no ads

    • No ads
    • Best memory
    • 30 pins
    • Advanced lorebook
    • Highest feature limits
    • No slow mode

Gemini Notebook plans

  • Standard

    $0

    Free with a Google Account

    • 100 notebooks
    • 50 sources per notebook
    • Audio Overviews
    • Chat with citations

  • Plus

    $4.99/month

    Through the Google AI Plus subscription

    • 200 notebooks
    • 100 sources per notebook
    • Early access to features
    • 2x higher usage than Free

  • Pro

    Most popular

    $19.99/month

    Through the Google AI Pro subscription

    • 500 notebooks
    • 300 sources per notebook
    • Higher Gemini model access
    • Priority access to new features
    • Watermark removal
    • 4x higher usage than Free

  • Ultra 5x

    $99.99/month

    Through the Google AI Ultra subscription

    • 500 notebooks
    • 500 sources per notebook
    • Highest Gemini model access
    • 5x higher usage limits than AI Pro
    • Cloud computer for code execution

  • Ultra 20x

    $199.99/month

    Through the Google AI Ultra subscription at the higher tier

    • 500 notebooks
    • 600 sources per notebook
    • Highest Gemini model access
    • 20x higher usage limits than AI Pro
    • Cloud computer for code execution

Our ratings

Scored out of 10 by the Finder Atlas editorial team. Last reviewed November 2026.

Character.AI
7.6overall
Gemini Notebook
8.7overall

Character.AI leads in 0 categories and Gemini Notebook in 1.

  • Persona Fidelity & Memory

    Character.AI
    7.8
    Gemini Notebook
    Not rated

  • Conversational Engagement

    Character.AI
    8.5
    Gemini Notebook
    Not rated

  • Ease of Use

    Character.AI
    8.5
    Gemini Notebook
    Not rated

  • Value for Money

    Gemini Notebook leads by 1.0
    Character.AI
    7.5
    Gemini Notebook
    8.5

  • Platform Stability

    Character.AI
    5.5
    Gemini Notebook
    Not rated

  • Grounded Citation Fidelity

    Character.AI
    Not rated
    Gemini Notebook
    8.8

  • Audio Overview Quality

    Character.AI
    Not rated
    Gemini Notebook
    8.7

  • Source Handling

    Character.AI
    Not rated
    Gemini Notebook
    8.6

  • Output Formats

    Character.AI
    Not rated
    Gemini Notebook
    8.8

Scores weigh documented features, plan value, platform coverage, integrations and user feedback. A missing score means we have not rated that area yet.

Pros and cons

Character.AI

Pros

  • Free tier with unlimited messaging and character creation
  • Large catalog of user-created characters
  • Text chat plus live voice calls
  • Apps for web, iOS and Android
  • Lower-priced (c.ai) lite plan at $4.99 per month

Cons

  • Company filed for Chapter 11 on October 12, 2026, so the platform's future depends on a sale
  • Free users see ads and slow mode
  • Best memory, lorebook and limits are reserved for c.ai+ at $9.99 per month
  • No public API and no pricing page on the website

Gemini Notebook

Pros

  • Answers cite the uploaded sources, so claims can be checked against the original text
  • Free Standard tier with 100 notebooks and 50 sources per notebook
  • Wide range of outputs, including Audio Overviews, Video Overviews, mind maps, flashcards, quizzes and slide decks
  • Accepts PDFs, websites, YouTube videos, audio files, Google Docs and Google Slides
  • Available on web, iOS and Android, and synced with the Gemini app

Cons

  • Works from the sources you add and is not built for live web news search
  • Higher limits require a Google AI subscription; Ultra starts at $99.99 per month
  • The cloud computer for code execution started with Ultra and Workspace AI Ultra Access customers, with Pro rollout still described as upcoming
  • No public API for the consumer product, and the renamed brand can make older guides and app listings confusing

Platforms

  • Web
    Character.AI
    Supported
    Gemini Notebook
    Supported
  • Windows
    Character.AI
    Not supported
    Gemini Notebook
    Not supported
  • macOS
    Character.AI
    Not supported
    Gemini Notebook
    Not supported
  • iOS
    Character.AI
    Supported
    Gemini Notebook
    Supported
  • Android
    Character.AI
    Supported
    Gemini Notebook
    Supported
  • API
    Character.AI
    Not supported
    Gemini Notebook
    Not supported
  • Browser Extension
    Character.AI
    Not supported
    Gemini Notebook
    Not supported

Integrations

Character.AI

No integrations listed.

Gemini Notebook

4 integrations
  • Google Docs
  • Google Slides
  • YouTube
  • Gemini app

Company

  • Company
    Character.AI
    Character Technologies, Inc.
    Gemini Notebook
    Google LLC
  • Founded
    Character.AI
    2021
    Gemini Notebook
    1998
  • Headquarters
    Character.AI
    Menlo Park, CA
    Gemini Notebook
    Mountain View, CA
  • Monthly users
    Character.AI
    Not listed
    Gemini Notebook
    30M+
  • Listing
    Character.AI
    Claimed
    Gemini Notebook
    Claimed

Frequently asked questions

Is Character.AI better than Gemini Notebook?

It depends on your workflow. Character.AI is built for character role-play. Gemini Notebook is built for summarizing and questioning your own documents.

What are the key feature differences between Character.AI and Gemini Notebook?

Character.AI: Chat, call and role-play with millions of user-made AI characters. Gemini Notebook: Google's Gemini Notebook, formerly NotebookLM, answers questions and builds summaries from your own sources.

Does Character.AI or Gemini Notebook have a free plan?

Yes, both do. Character.AI is freemium and Gemini Notebook is freemium, and each has a free plan or trial.

Which is cheaper, Character.AI or Gemini Notebook?

Both can be used for free. Paid plans differ in limits and features, so compare the tiers in the pricing table above.