Palace vs HazelJS

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

Palace compared with HazelJS
Detail	Palace	HazelJS
What it does	Self-hosted memory for AI coding agents	Open-source Agent OS for TypeScript that helps teams operate AI agents like production systems
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Not given	Open source
Pricing	Free / Open Core (€0, unlimited for solo developers). Team (€1,490/year or €104/month for 3 months then €149/month, up to 10 users). Growth (€3,490/year or €244/month for 3 months then €349/month, up to 30 users). Enterprise (custom pricing from €8,000+/year with custom seat counts beyond 30).	Not given
Key features	Not given	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	Fully offline licensing with Ed25519 cryptographic verification Works with any MCP-compatible agent including Cursor, Claude Code, and Codex	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 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)	5 no change since last check	7 no change since last check
Trust Flow (Majestic)	3	3
Citation Flow (Majestic)	24	23
Referring domains (Majestic)	14	18

2 details filled in for both companies.

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