Quick picks

Top pick

Notion AI

  • Freemium
  • Free plan

Teams that already use Notion

Runner-up

NotebookLM

  • Freemium
  • Free plan

Studying and working with your own documents

Also great

Claude

  • Freemium
  • Free plan

Long-form writing, document analysis and coding

Compare at a glance

#ToolPricingFree planAPIBest for
1 Notion AI Freemium Yes No Teams that already use Notion
2 NotebookLM Freemium Yes No Studying and working with your own documents
3 Claude Freemium Yes Yes Long-form writing, document analysis and coding
4 Microsoft Copilot Freemium Yes No Windows and Microsoft 365 users

The full ranking

  1. #1

    Notion AI

    • Freemium
    • Free plan

    AI built into Notion for writing, summarising and searching your workspace

    Best for: Teams that already use Notion

    • Works inside your existing notes and docs
    • Searches across the workspace
  2. #2

    NotebookLM

    • Freemium
    • Free plan

    Google's research notebook that answers questions only from your own sources

    Best for: Studying and working with your own documents

    • Answers grounded in your sources
    • Audio overviews are great for learning
  3. #3

    Claude

    • Freemium
    • Free plan
    • API

    Anthropic's AI assistant known for strong writing, long documents and coding

    Best for: Long-form writing, document analysis and coding

    • Natural, well-structured writing
    • Handles long documents well
  4. #4

    Microsoft Copilot

    • Freemium
    • Free plan

    Microsoft's free AI assistant, built into Windows, Edge and Microsoft 365

    Best for: Windows and Microsoft 365 users

    • Free for personal use
    • Built into Windows and Edge