CapacitiesA studio for your mind
vs
ShelfNext-generation knowledge and governance platform for accurate GenAI answers.
Comparison · Knowledge Management · weekly run Nov 3
Capacities vs Shelf
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Capacities is the stronger AI pick in Knowledge Management: it has a visibility score of 2.2 versus 1.5 for Shelf.
Choose Capacities if…
- You want the brand AI engines rank higher (2.2 vs 1.5)
- Organizes information around real-world objects rather than flat files or folders
- Natural knowledge organization
Choose Shelf if…
- You need SOC 2 Type II or GDPR or CCPA coverage
- You prefer a larger, established vendor (51–200 employees)
- Recommended by analysts for knowledge management
- Suited to customer-service and contact-center knowledge management
AI visibility side by side
Latest weekly run · Nov 3
| Metric | Capacities | Shelf |
|---|---|---|
| Visibility score | 2.2% | 1.5% |
| Change vs last week | New | New |
| Rank in Knowledge Management | #31 | #38 |
| Share of voice | 0.6% | 0.7% |
| Mentions this run | 3 | 4 |
| Positive in AI answers | — | 67% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Capacities 0pp · Shelf 0pp over 0 weekly runs.
Engine by engine
Capacities leads on 2 of 3 engines
ChatGPT
AI Mode
Perplexity
CapacitiesShelf
Head to head in AI answers
0 engine answers name both brands
0Capacities ranked higher
0Shelf ranked higher
Features, pricing & fit
| Dimension | Capacities | Shelf |
|---|---|---|
| Pricing model | Flat tiers | — |
| Entry price | Free; paid from $9.99 / mo | — |
| Free plan | Yes | — |
| Deployment | Desktop, web and mobile apps | Cloud-hosted on AWS, with data centers in the US, Canada and EU |
| Compliance | — | SOC 2 Type II, GDPR, CCPA |
| Support | Active Discord community, Email support, Priority support for Believer subscribers | Contact form on the website, Developer portal with API specs, cookbooks and SDKs |
| Founded | 2022 | — |
| Headquarters | Freiburg im Breisgau, Germany | New York City, NY, United States |
| Employees | 1–10 | 51–200 |
| Funding | Accelerator-type deal (Media Lab Bayern) | Series B · $61M raised |
| Best for | Individuals who think for a living, such as writers, researchers, students, developers and founders | Business and knowledge management teams that need governed enterprise knowledge, and technical teams that want a data layer under their own AI applications. |
Plans side by side
Capacities
Capacities Basic$0free forever
Capacities Pro$9.99month
Capacities Believer$12.49month
Shelf
Pricing not available.
Pros and cons
Themes from the AI answers that mention each brand
Capacities
- Organizes information around real-world objects rather than flat files or folders
- Natural knowledge organization
Shelf
- Recommended by analysts for knowledge management
- Suited to customer-service and contact-center knowledge management
- Recommended for vendor landscape and competitive intelligence databases
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Capacities vs Shelf”, https://slateindex.ai/compare/capacities-vs-shelf, data of Nov 3, 2026. Licence: CC BY 4.0.