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Rhyven vs Kakunin

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

Rhyven compared with Kakunin
DetailRhyven logo RhyvenKakunin logo Kakunin
What it doesMarketplace and runtime for headless, agent-first apps Cryptographic identity and behavioral monitoring for AI agents in regulated industries
StageNot given Startup
FoundedNot given 2025
Based inNot given US
Pricing modelOpen source Free trial
PricingNot given Starter: $39/agent/month (minimum 5 agents, $195/month total); Professional: $99/agent/month (minimum 20 agents, $1,980/month total); Enterprise: custom pricing. 30-day free trial on all plans.
Key features
  • Install agent-first apps without graphical interface
  • Connect via MCP or REST protocols
  • Browse and install from marketplace
  • Run apps locally on your server or computer
  • Share app results between connected agents
  • Build custom apps using Python, JavaScript or containers
  • Test improvements before reusing apps
  • Keep apps private or publish to marketplace
  • Optional runner to track tasks without model API agent
  • Linux x86-64 and ARM64 support
  • X.509 certificate issuance via AWS KMS with private keys stored in HSM
  • Real-time behavioral monitoring and drift detection across eight risk dimensions
  • Content-risk scoring of agent outputs per EU AI Act Article 5
  • Automatic certificate revocation when risk crosses 0.85 threshold within 60 seconds
  • Compliance reports mapped to NIST AI RMF, NIST CSF 2.0, ISO 27001, MiCA, and EU AI Act
  • Public verification endpoint with sub-500ms response and no authentication required
  • OpenTelemetry (OTLP) export to Datadog, Grafana, Honeycomb, and Splunk
  • RFC 8693 delegation chains and signed forensics
  • Webhook event delivery with HMAC signatures and audit logging
  • AgentMail: verifiable email inbox per certified agent for regulatory communication
What makes it different
  • Data stays in your own environment
  • Add tools without changing agent harness
  • Multiple agents share results in same collection
  • Agents can create tools by automating repeated work
  • Open source with Apache 2.0 license
  • Only platform that issues cryptographic identity to deployed agents, monitors behavior in real time, and generates compliance reports as one unified product
  • X.509 certificates provide institutional trust standard used by banks and governments for 30+ years
  • Auto-revocation with sub-60-second SLA stops misbehaving agents without manual intervention
  • Content-risk scoring evaluates agent output language, not just actions, catching prompt injections and policy violations
  • Private keys never accessible; stored only in AWS KMS with cryptographic signing performed by KMS directly
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)Not checked yet −1 (down) since last check40 −1 (down) since last check
Trust Flow (Majestic)09
Citation Flow (Majestic)1230
Referring domains (Majestic)21258

4 details filled in for both companies.

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