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Glasp vs Summarize.ing

Two fact sheets from our own research, side by side — pricing, platforms, API access and status re-checked by us rather than quoted from the vendors.

The short answer

Cheaper paid plan
Summarize.ing — $7.49/mo vs $12.50/mo for Glasp
Free plan
Both have one
Public API
Glasp has one; not confirmed by us for Summarize.ing
Higher Trust score
Summarize.ing — 83 vs 76 for Glasp
Best fit
Glasp: Students and researchers collecting cited passages across the web and PDFs · Summarize.ing: Skimming long talks, lectures and interviews before deciding to watch

From our own records as of each tool's last check. Anything we have not confirmed is left out rather than guessed. How we verify

GlaspHighlighter for web pages, PDFs, YouTube and Kindle that collects your passages in one library and lets you chat with them.Summarize.ingPaste a YouTube link and get a segmented summary, highlights, mind map and generated Q&A

Side by side

FactGlaspSummarize.ing
CategoryNote-taking & Second BrainYouTube Tools
Pricing modelFreemiumFreemium
Starts at$12.50/mo$7.49/mo
Public APIYesNot confirmed
Trust score76 / 10083 / 100
PlatformsWeb, Chrome extension, iOS, Android, APIWeb
CompanyGlasp Inc.Summarize.ing
Launched20212024
Last verifiedOct 29, 2026Oct 16, 2026

What our research says

Glasp

Glasp fits students, researchers and writers who read a lot online and want every quote kept with its source and searchable later. People who want their reading private by default, or who mostly need a full note editor rather than a highlighter, should look elsewhere.

Pros

  • Free plan keeps unlimited highlighting plus exports and Notion sync
  • Works across Chrome, Safari, Edge, Brave, Firefox, Opera and mobile
  • Each highlight keeps its source metadata, so quotes stay cited
  • MCP connector and API make the library usable from other AI tools

Cons

  • Highlights are public by default; privacy is a paid feature
  • Free AI allowances are small, especially video summaries
  • Social feed is of limited use to people who read alone

Summarize.ing

The output format is the selling point — segmented summaries plus mind maps and generated Q&A read better than the single wall of text most YouTube summarisers produce. The free tier is genuinely usable, but the paid jump buys throughput and a longer video ceiling rather than better analysis, and there is still no API.

Pros

  • Segmented summaries, highlights, mind maps and generated Q&A from one link
  • Free tier allows 5 summaries a day with no card
  • Paid tiers switch generation to Claude and lift the video-length cap to 60 or 120 minutes
  • Separate free YouTube transcript generator on the same site

Cons

  • No public API, acknowledged in their own FAQ
  • The 30-minute free ceiling excludes exactly the long videos worth summarising
  • Exceeding your quota downgrades you to free rather than allowing overage

Which one fits

Choose Glasp if you need

  • Students and researchers collecting cited passages across the web and PDFs
  • Writers keeping a swipe file of quotes for drafting with ChatGPT or Claude
  • Readers who want Kindle and web highlights in one library

Choose Summarize.ing if you need

  • Skimming long talks, lectures and interviews before deciding to watch
  • Students who want key concepts and Q&A rather than a plain recap
  • Light users who fit inside five summaries a day for free

Glasp vs Summarize.ing: the questions people ask

Is Glasp cheaper than Summarize.ing?

On published entry prices, Summarize.ing starts lower — $7.49/mo against $12.50/mo for Glasp. Entry price is the lowest paid plan as we last verified it; what each plan includes differs.

Does Glasp or Summarize.ing have a free tier?

Both: Glasp has a free tier, and Summarize.ing has a free tier.

Which has a public API, Glasp or Summarize.ing?

Glasp ships a public API, as of our last verification. A public API for Summarize.ing is not confirmed by us — check its developer docs before you plan an integration.

More comparisons

All Summarize.ing alternatives →Browse all Note-taking & Second Brain →