NotebookLM
No reviews yet
Source-grounded AI research assistant from Google, notable for its generated audio summaries.
- Price
- $0
- Score
- —
- Saves
- 0
Free
// 5 free tools
🎁Free Summarizer AI tools, ranked
1 is completely free and 4 have a free plan with paid upgrades. Sorted by popularity.
← All Summarizer tools, free and paidQuillBot
No reviews yet
Budget-friendly writing suite centered on paraphrasing, with summarizing and grammar tools bundled in.
- Price
- $9.95
- Score
- —
- Saves
- 0
Freemium
Otter.ai
No reviews yet
An established meeting assistant offering live transcription, summaries and searchable conversation history.
- Price
- $16.99
- Score
- —
- Saves
- 0
Freemium
Eightify
No reviews yet
Browser-based YouTube summarizer that condenses long videos into timestamped key points.
- Price
- $4.99
- Score
- —
- Saves
- 0
Freemium
TLDR This
No reviews yet
Low-cost text summarizer for articles, papers and documents, accessible via web and browser extension.
- Price
- $4
- Score
- —
- Saves
- 0
Freemium
FAQ
Which summarizer AI tool ranks #1 in 2026?+
By popularity, QuillBot leads, followed by NotebookLM and Otter.ai.
Are there free summarizer AI tools?+
5 of 5 (100%) are free or freemium. Highest ranked: QuillBot, NotebookLM and Otter.ai.
What is the average price of summarizer AI tools?+
Median entry price: $7.47/mo. Range: $4–$16.99/mo across 4 paid plans.
Which summarizer tools have an API?+
2 of 5: QuillBot and Otter.ai.