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Compare AI Tools

Pick two to five tools. Every cell comes from a verified record; anything unverified says so. There is no overall winner — the right choice depends on your task, budget and technical needs.

CriterionConsensusElicitGemini Notebook (formerly NotebookLM)Khanmigo
ProviderConsensusElicitGoogleKhan Academy
What it is forAn AI search engine that answers questions using peer-reviewed research, with Deep Search for literature-review style reports.An AI research assistant that searches academic papers, extracts data into tables and produces research reports and systematic reviews.Google's source-grounded research notebook, renamed from NotebookLM to Gemini Notebook in July 2026.Khan Academy's AI tutor for learners and free AI teaching assistant for teachers.
Latest confirmed model————
Main capabilities
  • Paper search
  • Pro messages (Depends on plan)
  • Deep Search (Depends on plan)
  • Search API (Depends on plan)
  • Paper search
  • Chat with papers
  • Research Agent and Reports (Depends on plan)
  • Systematic reviews (Depends on plan)
  • Data extraction tables (Depends on plan)
  • API and MCP server (Depends on plan)
  • Source-grounded chat
  • Audio Overviews
  • Notebook code execution (Depends on plan)
  • Gemini app sync
  • Higher limits on paid Google AI plans (Depends on plan)
  • Teacher tools
  • Personal tutoring (Depends on plan)
  • Writing and debate coaching (Depends on plan)
  • Parent features (Depends on plan)
  • District features (Depends on plan)
Free planYes
10 Pro messages and 3 Deep Searches per month
Yes
Limited Research Agent and Reports usage
Yes
100 notebooks per user; 50 sources per notebook
Yes
Cheapest paid planNo monthly list priceNo monthly list priceNo monthly list priceLearners: $4/mo
$3.67/mo billed annually
$4/month or $44/year
API accessYes · docs (opens in a new tab)Yes · docs (opens in a new tab)NoNo
Learning curveBeginner-friendlySome experience helpsBeginner-friendlyBeginner-friendly
Last verifiedOct 19, 2026Oct 19, 2026Oct 19, 2026Oct 19, 2026
How to choose

Start from the rows that matter for your job: a free plan and learning curve for casual use; API access, rates and data terms for building products; context window and modalities for long documents or images. Provider claims are labelled as such; we do not rank.

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