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Perseus Computing vs OpenHermit

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 OpenHermit
DetailPerseus Computing logo Perseus ComputingOpenHermit logo OpenHermit
What it doesHigh-assurance infrastructure for AI agents Make your website usable by AI agents and see everything they do
StageNot given Startup
FoundedNot given 2026
Based inUS CH
Pricing modelOpen source Freemium
PricingNot given Not given
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
  • 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
  • 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
  • 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
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)42 +1 (up) since last check23 −1 (down) since last check
Trust Flow (Majestic)35
Citation Flow (Majestic)2426
Referring domains (Majestic)6280

5 details filled in for both companies.

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