Perseus Computing vs Knotr

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Perseus Computing compared with Knotr
Detail	Perseus Computing	Knotr
What it does	High-assurance infrastructure for AI agents	Your voice and skills in every AI tool you use
Stage	Not given	Startup
Founded	Not given	Not given
Based in	US	US
Pricing model	Open source	Freemium
Pricing	Not given	Free: 1 Profile, 10 Skills, 50 Documents, 10 Artifacts, 1 Style Guide from Starter Pack, 100 Hosted Chat AI credits/month. Pro: $24/mo or $20/mo billed annually, 5 Profiles, 75 Skills, 500 Documents, 75 Artifacts, 1 Style Guide, 1,000 Hosted Chat AI credits/month. Max: $49/mo or $40/mo billed annual
Key features	Harpe: chooses what an AI agent reads under a token budget with consistent results Kibisis: keeps agent memory on your hardware with AES-256-GCM encryption Argus: append-only record that detects edits with cryptographic verification No network code by default for local and disconnected use MIT License with published code, benchmarks and raw results	Profiles to define voice, tone, and judgment Style Guides to enforce writing rules Knowledgebases to store trusted documents and notes Skills to package repeatable workflows Artifacts for versioned, shareable outputs Hosted Chat with custom runtime MCP integration with external tools Team workspaces with shared knowledge Skill Catalog for discovery and import Collections to group and present artifacts
What makes it different	Measured empirical validation across 6,111 questions outperforming full-context models Zero plaintext on disk with encrypted vaults matching plaintext accuracy 78.3% fewer tokens sent to the model with a 1,200-token budget per turn Preserves conversational chronology and relational qualifiers under token budgets	Output sounds like you, not generic AI, because every tool reads the same profiles and style guides Stop re-uploading docs and rewriting instructions for each new tool Individual voice, shared standards on teams Built-in changelogs instead of Git for managing skills Works with any MCP-compatible AI client without vendor lock-in
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	42 +1 (up) since last check	2 no change since last check
Trust Flow (Majestic)	3	4
Citation Flow (Majestic)	24	25
Referring domains (Majestic)	62	27

5 details filled in for both companies.

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