NotebookLM vs RemNote

as AI assistants see them, week of 2026-09-21

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NotebookLM comes out ahead here, with an overall score of 41 versus RemNote's 22, and it's named in 32 of 60 answers compared to RemNote's 20. NotebookLM sweeps five questions at 3 of 3 answers, including best free AI tool to study from a PDF and best tool for lectures, but it's never named for flashcard apps or spaced repetition questions. RemNote, meanwhile, is named in every answer for flashcard apps and spaced repetition, though it never shows up for PDF study or lecture recording questions. Head-to-head, NotebookLM leads on 10 questions, RemNote on 5, with 5 tied.

Head to head

metric	NotebookLM	RemNote
score	41	22
questions won	13	11

By assistant

NotebookLM

assistant	score	named in, this week	usual spot, this week
ChatGPT	46	60% of answers	#3.0
Claude	39	55% of answers	#3.7
Gemini	not sampled this week
Perplexity	38	45% of answers	#2.2

RemNote

assistant	score	named in, this week	usual spot, this week
ChatGPT	16	20% of answers	#2.8
Claude	31	50% of answers	#5.2
Gemini	not sampled this week
Perplexity	20	30% of answers	#4.2

Where they differ

Only NotebookLM gets named for

What's the best AI tool to summarise a textbook chapter?
What's the best free AI tool to study from a PDF?
What's the best tool to record and study from lectures?
What's the best AI tool to make a practice test from my study material?
What's the best AI tool to prepare for a certification exam?
What's the best AI tool to explain a concept I'm stuck on?

Only RemNote gets named for

What's the best flashcard app?
Which study app uses spaced repetition best?
What's the best alternative to Quizlet?
What's the best app to study for an exam?

More comparisons

Not sold on either?

Scores count how often each assistant names a product, weighted by position. How the score works · Full AI study tools leaderboard