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What is Heptabase?
Heptabase is an AI tool (by Hepta Platforms, Inc.) that works as a visual AI knowledge base for students, researchers and lifelong learners. It pairs whiteboards and linked cards with an AI agent that explains any source, takes notes and organizes your material for you.
How does the Heptabase visual knowledge base work?
- Every idea is a card you can place on one or more whiteboards.
- Bi-directional links between notes.
- Block-based editor and daily journals.
- PDF annotation and YouTube transcripts.
- Search across 10,000+ notes in under a second, even offline.
What does Heptabase AI do?
The AI Tutor and agent explain PDFs, videos and notes, answer questions about your sources, write notes and reorganize your knowledge base. Depending on the tier it uses Gemini, GPT and Claude models, and includes OCR for scanned PDFs.
What does Heptabase integrate with?
It connects to Readwise and Zotero, has a web clipper and a CLI that works with coding agents such as Claude Code or Codex. Apps are available for Mac, Windows, Linux, iOS and Android, with voice notes on mobile.
Who is Heptabase best for?
Anyone who needs to understand complex topics: students preparing courses, researchers doing literature reviews and professionals building a long-term knowledge base. Real-time collaboration lets you invite others at no charge to them.
Heptabase pros and cons
- Pro: visual approach with whiteboards and cards
- Pro: AI that works on your own sources
- Pro: native apps and offline access
- Con: learning curve if you come from linear note apps
- Con: heavy AI use depends on monthly credits
Heptabase features and use cases
How to use Heptabase
Heptabase FAQ
What is Heptabase?
Heptabase is a visual AI knowledge base that organizes sources and notes on whiteboards and cards.
Is Heptabase free?
There is no permanent free tier, but it offers a 7-day trial; see the pricing section of this page.
Does Heptabase support Spanish?
Its website is in English; the AI models it uses can work with content in other languages.
Does Heptabase have an API?
It does not advertise a public API, but it offers a CLI that works with Claude Code, Codex and other agents.
Which AI models does Heptabase use?
The Pro tier runs on Gemini models only, while Premium and Premium+ add GPT and Claude to the agent.
Does Heptabase work offline?
Yes, every note and file stays available on your device even when you have no internet connection.
Does Heptabase integrate with Zotero?
Yes, it integrates with Zotero and Readwise, so you can bring references and highlights into your knowledge base.
Can I collaborate with others?
Yes, real-time collaboration is available and invited collaborators are not charged.
Which devices does Heptabase run on?
There are native apps for Mac (Intel and Apple Silicon), Windows and Linux, plus iOS and Android.
What are the best Heptabase alternatives?
On GptZone you can compare it with Notion AI, Reflect AI and Saner.AI.
Heptabase pricing and plans
Reference price: 11.99 USD / month. Source · Verified: November 1, 2026
Prices in US dollars (USD). 7-day trial. Checked on: 01/11/2026.
Pro: $11.99/month billed monthly ($8.99/month billed yearly); unlimited notes, whiteboards and collaborators, AI agent with Gemini models, 100 AI credits per month.
Premium: $23.99/month ($17.99/month yearly); unlimited PDFs and OCR, agent with GPT, Claude and Gemini, AI Tutor, 1,800 credits per month.
Premium+: $71.99/month ($53.99/month yearly); everything in Premium, 33% off AI credits and 8,100 credits per month.
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