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Langfuse 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
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Verdict

Langfuse is listed under Developer Tools and Gemini Notebook under AI Assistants. Gemini Notebook scores higher in FinderAtlas's editorial review (8.7 vs 8.4 out of 10). Both have a free plan or trial. Only Langfuse is available on CLI and offers an API. Only Gemini Notebook is available on iOS and Android.

Best overall

Gemini Notebook

  • Students
  • Researchers
  • Educators
  • Analysts

Choose Langfuse if

  • You want a tool built for production tracing and debugging of LLM apps and agents, prompt versioning, and systematic evaluation on real data.
  • MIT-licensed core with free self-hosting, avoiding vendor lock-in.
  • Covers tracing, prompt management and evaluation in one platform.

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
Langfuse
Best for business
Langfuse

Features

17 features compared.

  • Tracing
    Langfuse
    Available
    Gemini Notebook
    Not available
  • Evaluation
    Langfuse
    Available
    Gemini Notebook
    Not available
  • Prompt Management
    Langfuse
    Available
    Gemini Notebook
    Not available
  • Playground
    Langfuse
    Available
    Gemini Notebook
    Not available
  • Datasets and Experiments
    Langfuse
    Available
    Gemini Notebook
    Not available
  • Cost and Latency Dashboards
    Langfuse
    Available
    Gemini Notebook
    Not available
  • Open-Source Self-Hosting
    Langfuse
    Available
    Gemini Notebook
    Not available
  • APIs and MCP Servers
    Langfuse
    Available
    Gemini Notebook
    Not available
  • Source-grounded chat
    Langfuse
    Not available
    Gemini Notebook
    Available
  • Audio Overviews
    Langfuse
    Not available
    Gemini Notebook
    Available
  • Video Overviews
    Langfuse
    Not available
    Gemini Notebook
    Available
  • Study tools
    Langfuse
    Not available
    Gemini Notebook
    Available
  • Reports, slide decks and infographics
    Langfuse
    Not available
    Gemini Notebook
    Available
  • Multiple source types
    Langfuse
    Not available
    Gemini Notebook
    Available
  • Cloud computer
    Langfuse
    Not available
    Gemini Notebook
    Available
  • Gemini app sync
    Langfuse
    Not available
    Gemini Notebook
    Available
  • Sharing and public notebooks
    Langfuse
    Not available
    Gemini Notebook
    Available

Pricing

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

  • Pricing model
    Langfuse
    Freemium
    Gemini Notebook
    Freemium
  • Free plan
    Langfuse
    Yes
    Gemini Notebook
    Yes
  • Starting price
    Langfuse
    $0
    Gemini Notebook
    $0
  • Plans
    Langfuse
    4 plans
    Gemini Notebook
    5 plans

Langfuse plans

  • Hobby

    $0

    Free cloud tier for individuals and early projects

    • 50k units/month
    • 30 days data access
    • 2 users
    • community support

  • Core

    $29/month

    Paid tier for small production teams

    • 100k units/month included
    • 90 days data access
    • unlimited users
    • in-app support

  • Pro

    $199/month

    Teams needing long retention and compliance reports

    • 100k units/month included
    • 3 years data access
    • data retention management
    • SOC 2 and ISO 27001 reports
    • HIPAA BAA available
    • high rate limits

  • Enterprise

    $2,499/month

    Large organizations with security and support requirements

    • Everything in Pro
    • audit logs
    • SCIM API
    • uptime and support SLAs
    • named lead support engineer
    • invoice or AWS Marketplace billing

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.

Langfuse
8.4overall
Gemini Notebook
8.7overall

Langfuse leads in 1 category and Gemini Notebook in 0.

  • Ease of Use

    Langfuse
    7.8
    Gemini Notebook
    Not rated

  • Feature Depth

    Langfuse
    8.8
    Gemini Notebook
    Not rated

  • Value for Money

    Langfuse leads by 0.2
    Langfuse
    8.7
    Gemini Notebook
    8.5

  • Performance & Speed

    Langfuse
    8.4
    Gemini Notebook
    Not rated

  • Documentation & Support

    Langfuse
    8.5
    Gemini Notebook
    Not rated

  • Grounded Citation Fidelity

    Langfuse
    Not rated
    Gemini Notebook
    8.8

  • Audio Overview Quality

    Langfuse
    Not rated
    Gemini Notebook
    8.7

  • Source Handling

    Langfuse
    Not rated
    Gemini Notebook
    8.6

  • Output Formats

    Langfuse
    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

Langfuse

Pros

  • MIT-licensed core with free self-hosting, avoiding vendor lock-in.
  • Covers tracing, prompt management and evaluation in one platform.
  • Free Hobby tier with 50k units per month and no credit card required.
  • Over 100 integrations, plus OpenTelemetry for languages without a native SDK.
  • Core plan at $29/month with unlimited users.

Cons

  • Hobby is limited to 2 users and 30 days of data access.
  • SOC 2, ISO 27001 and HIPAA support start at the $199/month Pro plan, and SSO and RBAC need a $300/month add-on.
  • Audit logs, SCIM and SLAs are restricted to the $2,499/month Enterprise plan.
  • Usage-based unit overage adds cost for high-volume tracing.

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
    Langfuse
    Supported
    Gemini Notebook
    Supported
  • Windows
    Langfuse
    Not supported
    Gemini Notebook
    Not supported
  • macOS
    Langfuse
    Not supported
    Gemini Notebook
    Not supported
  • iOS
    Langfuse
    Not supported
    Gemini Notebook
    Supported
  • Android
    Langfuse
    Not supported
    Gemini Notebook
    Supported
  • API
    Langfuse
    Supported
    Gemini Notebook
    Not supported
  • Browser Extension
    Langfuse
    Not supported
    Gemini Notebook
    Not supported
  • CLI
    Langfuse
    Supported
    Gemini Notebook
    Not supported

Integrations

Langfuse

23 integrations
  • LangChain
  • Vercel AI SDK
  • LiteLLM
  • Pydantic AI
  • Google ADK
  • CrewAI
  • LlamaIndex
  • OpenAI Agents
  • Mastra
  • OpenAI
  • Anthropic
  • Amazon Bedrock
  • Azure OpenAI
  • Google Gemini
  • Mistral AI
  • vLLM
  • Groq
  • Claude Code
  • Cursor
  • Dify
  • n8n
  • PostHog
  • OpenTelemetry

Gemini Notebook

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

Company

  • Company
    Langfuse
    Langfuse
    Gemini Notebook
    Google LLC
  • Founded
    Langfuse
    2023
    Gemini Notebook
    1998
  • Headquarters
    Langfuse
    Berlin, Germany
    Gemini Notebook
    Mountain View, CA
  • Monthly users
    Langfuse
    Not listed
    Gemini Notebook
    30M+
  • Listing
    Langfuse
    Claimed
    Gemini Notebook
    Claimed

Frequently asked questions

Is Langfuse better than Gemini Notebook?

It depends on your workflow. Langfuse is built for production tracing and debugging of LLM apps and agents, prompt versioning, and systematic evaluation on real data. Gemini Notebook is built for summarizing and questioning your own documents.

What are the key feature differences between Langfuse and Gemini Notebook?

Langfuse: Open-source platform to trace, evaluate and improve LLM applications and agents. Gemini Notebook: Google's Gemini Notebook, formerly NotebookLM, answers questions and builds summaries from your own sources.

Does Langfuse or Gemini Notebook have a free plan?

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

Which is cheaper, Langfuse 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.