Perplexity
AI Research
Answer engine that cites every source, built for research rather than chat.
✓ VerifiedFree tier
No reviews yet
Free tier available; Pro $20/mo or $200/mo; Enterprise $40/seat/mo
NotebookLM
✓ Verified listingGrounded research assistant that only answers from your own sources.
No reviews yet — be the first to add one.
About NotebookLM
NotebookLM is restricted to the documents you upload, which makes it the safest way to work with confidential material. It generates summaries, study guides and FAQs, and its Audio Overview feature turns a source set into a spoken discussion of two AI hosts.
Pricing
Free tier available; included with Google AI Pro and Ultra
From $19.99 USD per month for entry plans.
Pricing is taken from the vendor's own published rates. Always confirm on their site before purchasing.
NotebookLM alternatives
The closest comparisons we hold for this listing.
Consensus
AI Research
Search engine that answers from peer-reviewed research.
✓ VerifiedFree tier
No reviews yet
Free tier available; Premium $11.99/mo; Pro $28.99/mo
Elicit
AI Research
Systematic review assistant for screening thousands of papers.
✓ VerifiedFree tier
No reviews yet
Free tier available; Plus $10/mo; Pro $60/mo; Team $120/mo
Deep Research
AI Research
Multi-step research agents that read across sources before answering.
✓ Verified
No reviews yet
Included with ChatGPT Pro and Claude Max tiers
More in AI Research
Perplexity
AI Research
Answer engine that cites every source, built for research rather than chat.
✓ VerifiedFree tier
No reviews yet
Free tier available; Pro $20/mo or $200/mo; Enterprise $40/seat/mo
Consensus
AI Research
Search engine that answers from peer-reviewed research.
✓ VerifiedFree tier
No reviews yet
Free tier available; Premium $11.99/mo; Pro $28.99/mo
Deep Research
AI Research
Multi-step research agents that read across sources before answering.
✓ Verified
No reviews yet
Included with ChatGPT Pro and Claude Max tiers
Elicit
AI Research
Systematic review assistant for screening thousands of papers.
✓ VerifiedFree tier
No reviews yet
Free tier available; Plus $10/mo; Pro $60/mo; Team $120/mo