Heptabase
Visual knowledge base with whiteboards, linked notes and an AI agent for studying and research.
How the 5.8 was reached
- Quality of output5/10
Only vendor feature descriptions; the independent repo is a small CLI skills package with 152 stars, not the main product. heptabase.com
- Ease of use8/10
7-day free trial, mobile apps and imports from PDF, YouTube, web clipping and Zotero; no docs page found. heptabase.com
- Pricing value6/10
Published plans from $8.99/month with AI credit limits, but only a trial and no free tier. heptabase.com
- API and integration quality5/10
A CLI for Claude Code and Codex using the Agent Skills spec; no general public API found. github.com
- Solves the problem it claims to solve5/10
Independent evidence covers only the small CLI repo, not the knowledge base; the claim rests on the vendor's description. github.com
5.8/10 is the mean of the 5 criteria that apply. Scored on the five-criteria rubric v1, 29 September 2026. How scoring works
Pricing
- Unlimited notes and whiteboards
- AI agent (Gemini models only)
- 100 AI credits/month
- Unlimited PDF uploads and OCR
- AI agent (GPT, Claude, Gemini)
- AI tutor
- 1,800 AI credits/month
- 33% discount on AI credits
- 8,100 AI credits/month
Key Features
- Whiteboards with bi-directional links
- AI Tutor for learning sessions
- PDF, YouTube transcript, web clip and Zotero imports
- Readwise integration and PDF annotation
- CLI for Claude Code and Codex via Agent Skills
Pros & Cons
Pros
- 7-day free trial
- Apps on desktop and mobile
- Many import sources
- Published pricing
Cons
- No free tier
- AI credits are capped per plan
- No general public API found
- No docs page found
Fits students and researchers who think visually and want AI help with their reading. Anyone who needs a free plan or an open API should look elsewhere.
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