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Head-to-head · AI Summarizers

Sidenote vs SciSummary

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
Sidenote #4 in AI Summarizers 7.9/10 Free plan · 7-day trial Free planFree trial✓ 3 of 3 features Visit Sidenote
SciSummary #7 in AI Summarizers 7.9/10 7-day trial Free trial✓ 1 of 3 features Visit SciSummary

Sidenote leads on 1 check, SciSummary on 0, and 3 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Free planonly Sidenote
  • Free trialboth
  • Most featuresSidenote · 3 of 3

Sidenote and SciSummary score identically on our rubric (7.9 out of 10) for ai summarizers; Sidenote sits at #4 and SciSummary at #7 in our editorial ranking, so the choice comes down to fit.

Sidenote offers free plan; SciSummary doesn't.

Sidenote is the better fit for teams needing cited summaries and integrations. SciSummary is the better fit for academic teams needing synthesis and an API.

  • Sidenote fits best

    Teams needing cited summaries and integrations

  • SciSummary fits best

    Academic teams needing synthesis and an API

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Side by side

Feature Sidenote 7.9/10 Visit ↗ SciSummary 7.9/10 Visit ↗
At a glance
Editor score 7.9 7.9
Ranking #4 in AI Summarizers #7 in AI Summarizers
Best for Teams needing cited summaries and integrations Academic teams needing synthesis and an API
Pricing model Free plan + paid Paid
Starting price £96/yr $4/mo
Free plan ✓ (best) —
Free trial 7 days 7 days
Free trial length 7 days · no card needed 7 days
Deployment Cloud, Browser extension Cloud
Platforms Web, Chrome extension Web
Integrations 9 integrations 1 integrations
Features Sidenote 3/3 · SciSummary 1/3
Document upload ✓ (best) Not checked yet
Webpage summaries ✓ ✓
Transcript summaries ✓ (best) Not checked yet
Specs
Input limit Not checked yet Not checked yet
Summary length control Short Not checked yet
Export formats Markdown Not checked yet
Our review
Pros
  • Clickable citations connect summaries to source passages.
  • Supports PDFs, Office files, webpages and connected documents.
  • Integrates with Confluence, Notion, SharePoint, Slack and more.
  • Structured summaries follow academic-paper sections
  • Multi-document synthesis includes figure and table analysis
  • REST API, Zotero imports, and citation support broaden workflows
Cons
  • Free plan limits monthly documents, summaries, explanations and chat turns.
  • OCR and Word and PowerPoint support begin on the Pro plan.
  • Shared collections and SAML SSO require a Team plan.
  • No free plan is available
  • The Pro Plan is billed annually
  • Its focus is academic and technical research rather than general content
Our verdict

Sidenote is an AI reading assistant and document summarizer available through a Chrome extension and web dashboard. It is designed for students, researchers, analysts, legal teams, consultants and organizations working with internal…

Read the review →

SciSummary is an AI-powered research tool for researchers, students, and professionals working with academic papers and technical documents. It accepts uploaded files, public URLs, raw text, Zotero imports, and database article searches.…

Read the review →
  1. SidenoteAI Summarizers 7.9Free plan · 7-day trial
  2. SciSummaryAI Summarizers 7.97-day trial

Strengths and trade-offs

  • Sidenote — where it wins

    • Clickable citations connect summaries to source passages.
    • Supports PDFs, Office files, webpages and connected documents.
    • Integrates with Confluence, Notion, SharePoint, Slack and more.

    Where it doesn't

    • Free plan limits monthly documents, summaries, explanations and chat turns.
    • OCR and Word and PowerPoint support begin on the Pro plan.
    • Shared collections and SAML SSO require a Team plan.

  • SciSummary — where it wins

    • Structured summaries follow academic-paper sections
    • Multi-document synthesis includes figure and table analysis
    • REST API, Zotero imports, and citation support broaden workflows

    Where it doesn't

    • No free plan is available
    • The Pro Plan is billed annually
    • Its focus is academic and technical research rather than general content

More comparisons

All AI summarizers comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update