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Head to head · 2026

HARPA AI vs Notion AI

Pricing, free plans, ratings, features, pros and cons, side by side. Where one comes out ahead, we mark it.

HARPA AI

Press Alt+A on any webpage to reach GPT-5.4, Claude 4.6, Gemini 3.1, DeepSeek or Llama -…

3.6Free

Visit HARPA AI (opens HARPA AI in a new tab)

Notion AI

AI woven into the workspace most PKM competitors get compared against

4.5$10/mo

Visit Notion AI (opens Notion AI in a new tab)

Who comes out ahead

Based only on the facts in our directory. The right pick still depends on the job you need done.

  • Lower starting price

    Not comparable

    Not comparable: HARPA AI does not list a price

  • Free plan

    Tie

    Both have one

  • Higher rating

    Notion AI

    3.6 against 4.5

  • Same job?

    Yes

    Both are Productivity tools

Side by side

Compared onHARPA AINotion AI
Our rating3.64.5Better
Starts atFree$10/mo
Free planYesYes
CategoryProductivityProductivity
PlansFreeFrom $10/mo
Key features
  • Multi-model AI access (GPT-5.4, Claude 4.6, Gemini 3.1, DeepSeek, Llama 4) via one shortcut
  • Web automation - data extraction, form filling, page monitoring
  • Hallucination-free search-grounded AI responses with source citations
  • YouTube/video summarization with timestamp jumping
  • Long-form article generation across 25 writing frameworks
  • AI writing, summarization, and Q&A grounded in existing workspace content
  • Built on Notion's established all-in-one docs and database platform
  • Free tier for individual use
  • Operating since 2013
  • Massive existing template and integration ecosystem
Pros
  • Access to multiple frontier models from one extension, no separate subscriptions
  • Search-grounded responses with citations reduce hallucination risk
  • Proven at real scale (500,000+ professionals) across diverse use cases
  • AI grounded directly in years of existing workspace content for established users
  • Massive existing user base, templates, and community documentation
  • Free tier covers real individual use
Cons
  • Free tier has real limitations that push toward the paid S Plan
  • Browser-extension-only - no standalone app
  • Breadth of features (chat, automation, writing) may exceed what a casual user needs
  • AI features and team collaboration require a paid plan
  • Full value depends on already having substantial content built up in Notion
  • Broad, flexible platform can feel like more setup than a focused tool needs
CompanyHARPA AINotion Labs, Inc., founded 2013

Prices come from each vendor's pricing page, last checked 20260826. Check the vendor before you buy.

FAQ

Questions people ask

Is HARPA AI better than Notion AI?

In our reviews HARPA AI scores 3.6 and Notion AI scores 4.5. The better pick depends on the job. HARPA AI: Press Alt+A on any webpage to reach GPT-5.4, Claude 4.6, Gemini 3.1, DeepSeek or Llama - plus browser automation for data extraction, form filling and monitoring, used by 500,000+ professionals. Notion AI: AI woven into the workspace most PKM competitors get compared against.

Which is cheaper, HARPA AI or Notion AI?

HARPA AI: free. Notion AI: from $10/mo.

Do HARPA AI and Notion AI have free plans?

Yes, both have a free plan.

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