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LangChain vs Kakunin

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

LangChain compared with Kakunin
Detail LangChainKakunin logo Kakunin
What it doesThe open agent platform to own your intelligence Cryptographic identity and behavioral monitoring for AI agents in regulated industries
StageEstablished Startup
Founded2023 2025
Based inUS US
Pricing modelNot given Free trial
PricingDeveloper plan is free for solo users with up to 5k base traces per month, then pay-as-you-go. Plus plan costs $39/seat/month with 10k base traces included. Enterprise plan offers custom pricing with advanced options. 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
  • Agent observability with step-by-step tracing
  • Agent evaluation and scoring
  • Agent deployment infrastructure
  • Production monitoring with online evaluations
  • Autonomous agent improvement with Engine
  • Secure sandbox execution for agent-generated code
  • LLM Gateway for model call control
  • No-code agent builder Fleet
  • Open source frameworks for agent development
  • 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
  • Comprehensive platform covering the entire agent development lifecycle from building to monitoring
  • Open source frameworks with options from quick-start to low-level control
  • Built-in observability and evaluation capabilities integrated into the platform
  • Support for long-running autonomous agents with Deep Agents framework
  • 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)88 +1 (up) since last check40 −1 (down) since last check
Trust Flow (Majestic)569
Citation Flow (Majestic)6430
Referring domains (Majestic)28586258

7 details filled in for both companies.

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