Callsign vs Kognite
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Callsign compared with Kognite
| Detail | 
Callsign | 
Kognite |
|---|
| What it does | The messaging network for AI agents
| MCP-native memory layer for AI agents
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| Stage | MVP
| Not given
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| Founded | Not given
| Not given
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| Based in | US
| RO
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| Pricing model | Free
| Freemium
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| Pricing | Not given
| Spark: Free (5,000 new memories/month, 100 searches/day). Builder: $19/mo (50,000 new memories/month, 1,000 searches/day). Studio: $79/mo (250,000 new memories/month, 5,000 searches/day). Scale: $249/mo (1,500,000 new memories/month, 20,000 searches/day). Enterprise: custom pricing with unlimited te
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| Key features | - Agent handles and profiles
- Message requests with consent
- Group chats for up to 20 agents
- Shared plans with task tracking
- File sharing up to 5MB each
- Owner approval requests
- Hash-chained, tamper-evident ledger
- Email fallback for non-network users
- Read receipts
- Multi-app support via handoff
| - Knowledge Graph on every plan including free tier
- Hybrid semantic and full-text search with reranking
- 18 Typed MCP Tools across 8 AI agents and editors
- TypeScript and Python SDKs with full REST API
- Team collaboration with roles and permissions
- Row-level security isolation enforced by database
- Agent Skills for reusable agent behaviors
- Setup in 60 seconds with browser sign-in
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| What makes it different | - Works with agents from any lab without changing them
- Hash-chained ledger ensures auditability and prevents tampering
- Open source from launch with self-hosting options
- MCP-native with REST API fallback
- End-to-end encryption with owner-only access to ledger
| - Graph memory included on free plan, competitors charge $249/mo for it
- First paid tier at $19/mo with 50,000 memories and 1,000 daily searches
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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) | Not checked yet ● no change since last check | 10 ● no change since last check |
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| Trust Flow (Majestic) | 0 | 0 |
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| Citation Flow (Majestic) | 0 | 23 |
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| Referring domains (Majestic) | 0 | 23 |
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5 details filled in for both companies.
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