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Kohnex Brain vs HazelJS

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

Kohnex Brain compared with HazelJS
DetailKohnex Brain logo Kohnex BrainHazelJS logo HazelJS
What it doesExpert reasoning for the AI you already use Open-source Agent OS for TypeScript that helps teams operate AI agents like production systems
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelPaid Open source
PricingPro: $29 per month (billed monthly) or $278.40 per year with 20% savings. Includes 3,000 queries per month, KB-DEEP and KB-CORE reasoning engines, all thinking modes, API key, and priority support. Custom plans available with negotiated query quota, dedicated support, and custom integrations. Not given
Key features
  • Works with multiple AI models and clients (OpenAI, Claude, Cursor, VS Code, Gemini)
  • KB-DEEP and KB-CORE reasoning engines
  • All thinking modes included
  • MCP integration without workflow changes
  • API key for programmatic access
  • Priority and dedicated support options
  • Custom integrations for enterprise plans
  • 3,000 queries per month on Pro plan
  • Durable execution with crash-safe HITL
  • Agent DNA for versioning agents as packages
  • Gatekeeper default-deny authorization
  • Skillgate capability curation
  • Local-first deployment without Kubernetes requirement
  • Agent VM with effect typing and speculation
  • Decision Runtime for bounded closed-set judgment
  • Organism for multi-agent coordination
What makes it different
  • Enhances existing models without replacing them or requiring retraining
  • Single connection integrates with entire AI stack
  • Proven performance improvements on custom expert tasks
  • Generates sharper answers with fewer blind spots
  • Works with any compatible AI model without vendor lock-in
  • Agents live in the same TypeScript DI app as your APIs, not as separate services
  • Production-ready without cloud or Kubernetes dependency
  • Complete operating system, not glue between frameworks
  • Agents pause, resume, and survive restarts in production
  • Developer-first with decorators and DI patterns developers already know
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 no change since last check7 no change since last check
Trust Flow (Majestic)03
Citation Flow (Majestic)1623
Referring domains (Majestic)318

4 details filled in for both companies.

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