Pick Heptabase if
students and researchers who will pay Premium so OCR, GPT/Claude agents, and more than 100 Gemini-only credits sit on one whiteboard.
Read the Heptabase pageHeptabase vs NotebookLM
Our take
Pick Heptabase if students and researchers who will pay Premium so OCR, GPT/Claude agents, and more than 100 Gemini-only credits sit on one whiteboard. Pick NotebookLM if students and analysts who will upload sources and stay inside a notebook.
Best for
Heptabase Understand a hard topic on a map
NotebookLM Ask a notebook you filled
Free plan
Heptabase No free plan
NotebookLM $0 · sign up with a Gmail account (Help). 100 notebooks; 50 sources; 50 chats/day
Lowest paid
Heptabase Pro $8.99/mo
NotebookLM Google AI Plus $4.99/mo
Next step up
Heptabase Premium $17.99/mo
NotebookLM Google AI Pro $19.99/mo
Coding agent
Heptabase AI Agent
NotebookLM
Watch out
Heptabase $8.99 / $17.99 are yearly-billed cards
NotebookLM Standard is 50 sources and 50 chats/day
Last checked
Heptabase 2026-10-22 · heptabase.com/pricing
NotebookLM 2026-10-22 · one.google.com/about/google-ai-plans
Which one, then?
Pick NotebookLM if
students and analysts who will upload sources and stay inside a notebook.
Read the NotebookLM page