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Aether vs HazelJS

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

Aether compared with HazelJS
DetailAether logo AetherHazelJS logo HazelJS
What it doesCloud agents you can watch, on the AI you already pay for Open-source Agent OS for TypeScript that helps teams operate AI agents like production systems
StageNot given Not given
FoundedNot given Not given
Based inUS Not given
Pricing modelFreemium Open source
PricingFree plan with 20 credits/month (about 4 hours of machine time). Starter at $30/mo with 400 credits/month (about 80 hours). Pro at $75/mo with 2,000 credits/month (about 400 hours). Max at $120/mo with 4,000 credits/month (about 800 hours). 1 credit equals 12 minutes on default Small devbox. Medium Not given
Key features
  • Watch cloud agents in real-time with live terminal and file tree
  • Automated PR reviews with before/after screenshots
  • Video recording of agent actions
  • Scheduled automations daily or weekly
  • Live port previews for each port the agent opens
  • REST and WebSocket API for tasks and automations
  • Isolated Firecracker microVMs per task
  • Skills from repository SKILL.md files
  • Reply by email to pause and resume agent tasks
  • 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
  • Open devboxes you can watch, not sealed boxes
  • Runs on your own AI provider account with no second bill
  • Pay only for compute, with no per-task fees or surprises
  • Code never used for training
  • Machines destroyed after use, never reused
  • 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)32 +1 (up) since last check7 no change since last check
Trust Flow (Majestic)73
Citation Flow (Majestic)2223
Referring domains (Majestic)4818

4 details filled in for both companies.

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