Open Notebook vs NotebookLM vs Readio vs SpeechReader

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

Your tool
ONOpen Notebook
vs
Competitor 1
NotebookLM
Competitor 2
Readio
Competitor 3
SpeechReader
Compare
4 tools · best value per row highlighted
Your tool ONOpen Notebook
open-notebook.ai
Open Notebook is an open-source AI note-taking and research platform built around privacy.
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Competitor NotebookLM
notebooklm.google.com
Your docs, deeply understood
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Competitor Readio
readiolabs.org
Read Aloud Anything with Natural AI Voices
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Competitor SpeechReader
speechreader.io
Text-to-speech technology transforms written content into audio, and SpeechReader handles this conversion across multiple file formats
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Traffic estimated monthly website traffic
Monthly visits
—
159.8Mvisits/mo
5.5Kvisits/mo
26.6Kvisits/mo
MoM change
—
▼ 26.8%
▲ 11.1%
▲ 17.7%
6-month growth
—
-14.7%
-53.7%
-33.7%
Global rank web
—
—
#4,351,174
#931,590
Avg. last 3 months
—
210.3M
5.7K
21.6K
Bounce rate lower is better
—
32%
42%
36%
Pages / visit
—
5.0
1.1
2.9
Visit duration
—
6m 32s
—
18s
Traffic sources
—
● Direct 81% · ● Referral 17%
—
—
Open NotebookNotebookLMReadioSpeechReader
063.2M126.5M189.7M253MNotebookLM · 121.9MNotebookLM · 141.5MNotebookLM · 177.5MNotebookLM · 187.3MNotebookLM · 222.2MNotebookLM · 247.4MNotebookLM · 253MNotebookLM · 218.2MNotebookLM · 159.8MReadio · 1KReadio · 8.2KReadio · 12KReadio · 11.4KReadio · 10.3KReadio · 6.7KReadio · 5KReadio · 5.5KSpeechReader · 35.7KSpeechReader · 54.3KSpeechReader · 40.1KSpeechReader · 24.9KSpeechReader · 20.6KSpeechReader · 15.6KSpeechReader · 22.6KSpeechReader · 26.6K1K10K100K1M10M100M1BNotebookLM · 121.9MNotebookLM · 141.5MNotebookLM · 177.5MNotebookLM · 187.3MNotebookLM · 222.2MNotebookLM · 247.4MNotebookLM · 253MNotebookLM · 218.2MNotebookLM · 159.8MReadio · 1KReadio · 8.2KReadio · 12KReadio · 11.4KReadio · 10.3KReadio · 6.7KReadio · 5KReadio · 5.5KSpeechReader · 35.7KSpeechReader · 54.3KSpeechReader · 40.1KSpeechReader · 24.9KSpeechReader · 20.6KSpeechReader · 15.6KSpeechReader · 22.6KSpeechReader · 26.6KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Free
Freemium
Freemium
Freemium
Starting price
Free
$4.99per month · free tier available
$9.99per month
$3.83per month · free tier available
Free tier
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Free trial
–
–
–
API access
–
–
–
–
Plans
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Free FreeGoogle AI Plus $4.99/moNotebookLM Pro (Google AI Pro) $19.99/moVia Google AI Ultra $99.99/mo
Plan $9.99/moPlan $19.99/mo
Free Demo FreeBasic $3.83/moPremium $8.25/mo
Capabilities input → output
Input
Web pagesTextDocuments
DocumentsTextWeb pagesAudio
Web pagesTextDocuments
TextImagesDocuments
Output
TextAudio
AudioTextVideo
Audio
Audio
Skill level
Beginner-friendly
Beginner-friendly
Beginner-friendly
Beginner-friendly
Categories
Productivity & OfficeResearch & AnalyticsVoice & SpeechAI Note Taker+2 more
Productivity & OfficeResearch & AnalyticsVideo EditingVoice & Speech+5 more
Education & LearningVoice & SpeechAI ReaderAI Text-to-Speech
Education & LearningVoice & SpeechAI ReaderAI Text-to-Speech
Tasks what each tool can do · 0 shared · core   partial
Tasks covered
8
8
4
4
Text to speech
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–
PDF to audio
–
–
Research
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–
Note taking
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–
Podcasts
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–
Summarizing
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–
Audiobooks
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–
Video summaries
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–
PDF analysis
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–
–
Reading
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–
–
Self hosted
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–
–
Text to podcast
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–
–
Document summarization
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–
–
Files
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–
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OCR
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–
–
Productivity
–
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 1
▲ 1
▲ 0
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
2
0
0
Verified listing
–
–
–
–

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.