Cogni vs OpenHermit
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Cogni compared with OpenHermit
| Detail | C
Cogni | 
OpenHermit |
|---|
| What it does | Memory that reasons
| Make your website usable by AI agents and see everything they do
|
|---|
| Stage | Not given
| Startup
|
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| Founded | Not given
| 2026
|
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| Based in | US
| CH
|
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| Pricing model | Freemium
| Freemium
|
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| Pricing | Free plan at $0 USD; Pro plan at $5 USD per month.
| Not given
|
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| Key features | - Entity-graph spreading activation for cross-vocabulary retrieval
- Works with any LLM model
- No LLM or GPU in retrieval path
- Point-in-time and windowed recall
- Timestamped memories
- Fixed recall cost as memory grows
| - Automatic WebMCP injection for forms and actions
- AI agent analytics and observability
- Agent instructions, guardrails, and routing
- Automatic form and action detection
- One-script install with zero configuration
- Real-time agent interaction tracking
- WebMCP protocol implementation
- Custom agent prompts and behavior configuration
|
|---|
| What makes it different | - Reaches answers across unrelated documents that share no keywords, where vector search scores zero
- Deterministic retrieval with no model in the path, so results never vary between queries
- Constant per-query cost regardless of memory size, even at 32,000 words
- No infrastructure to run—no vector database, cluster, or GPU needed
- Works with any model, so small local models gain the most from better retrieval
| - One script tag installation with zero configuration required
- Built on open standard WebMCP, not proprietary technology
- Real-time observability of AI agent activity and conversions
- No website rebuild required to make forms agent-ready
- Dashboard control for agent instructions and guardrails
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| Free plan | Not given
| Not given
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| Open source | Not given
| Not given
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| Platforms | Not given
| Not given
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| Public API | Not given
| Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 4 ● no change since last check | 23 ▼ −1 (down) since last check |
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| Trust Flow (Majestic) | 2 | 5 |
|---|
| Citation Flow (Majestic) | 21 | 26 |
|---|
| Referring domains (Majestic) | 34 | 80 |
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5 details filled in for both companies.
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