NotebookLM vs Constella vs Open Notebook

Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.

Your tool
NotebookLM
vs
Competitor 1
Constella
Competitor 2
ONOpen Notebook
Competitor 3
Suggested competitors for NotebookLM: YouMind80% ListenHub80% Humata80% NoteGPT80% YouLearn80% Wondercraft80% Claude72% ChatPDF72%
Compare
3 tools · best value per row highlighted
Your tool NotebookLM
notebooklm.google.com
Your docs, deeply understood
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Competitor Constella
constella.app
Opening Constella drops you into a system that ditches the usual file cabinet metaphor entirely
Make main Remove
Competitor ONOpen Notebook
open-notebook.ai
Open Notebook is an open-source AI note-taking and research platform built around privacy.
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
159.8Mvisits/mo
7.4Kvisits/mo
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MoM change
▼ 26.8%
▼ 2.5%
—
6-month growth
-14.7%
+67.1%
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Global rank web
—
#1,944,958
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Avg. last 3 months
210.3M
9.2K
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Bounce rate lower is better
32%
35%
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Pages / visit
5.0
5.0
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Visit duration
6m 32s
1m 48s
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Traffic sources
● Direct 81% · ● Referral 17%
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NotebookLMConstellaOpen Notebook
063.2M126.5M189.7M253MNotebookLM · 121.9MNotebookLM · 141.5MNotebookLM · 177.5MNotebookLM · 187.3MNotebookLM · 222.2MNotebookLM · 247.4MNotebookLM · 253MNotebookLM · 218.2MNotebookLM · 159.8MConstella · 21.7KConstella · 9.6KConstella · 4.5KConstella · 3.7KConstella · 13.9KConstella · 12.4KConstella · 7.6KConstella · 7.4K1K10K100K1M10M100M1BNotebookLM · 121.9MNotebookLM · 141.5MNotebookLM · 177.5MNotebookLM · 187.3MNotebookLM · 222.2MNotebookLM · 247.4MNotebookLM · 253MNotebookLM · 218.2MNotebookLM · 159.8MConstella · 21.7KConstella · 9.6KConstella · 4.5KConstella · 3.7KConstella · 13.9KConstella · 12.4KConstella · 7.6KConstella · 7.4KNov '25DecJan '26FebMarAprMayJunJul
Pricing
Model
Freemium
Freemium
Free
Starting price
$4.99per month · free tier available
$5.99per month · free tier available
Free
Free tier
Free trial
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API access
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Plans
Free FreeGoogle AI Plus $4.99/moNotebookLM Pro (Google AI Pro) $19.99/moVia Google AI Ultra $99.99/mo
Free FreeConstella Beta $5.99/yr
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Capabilities input → output
Input
AudioDocumentsTextWeb pages
DocumentsTextWeb pages
DocumentsTextWeb pages
Output
AudioTextVideo
Text
AudioText
Skill level
Beginner-friendly
Intermediate
Beginner-friendly
Categories
Productivity & OfficeResearch & AnalyticsVideo EditingVoice & Speech+5 more
Education & LearningAI Knowledge Management
Productivity & OfficeResearch & AnalyticsVoice & SpeechAI Note Taker+2 more
Tasks what each tool can do · 2 shared · core   partial
Tasks covered
8
5
8
Research
Note taking
Podcasts
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Summarizing
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Video summaries
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PDF analysis
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Knowledge bases
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Knowledge exploration
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Self hosted
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Text to podcast
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Digital information management
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Document summarization
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Files
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Productivity
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Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 1
▲ 0
▲ 0
Saves
0
0
0
Reviews
0
0
0
Prompts
2
0
0
Verified listing
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Traffic figures are third-party estimates for the tool's own domain; tools sharing a domain with a bigger product are not counted. Pricing is captured from each tool's site and may lag.