Context Engine vs Aether

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

Context Engine compared with Aether
Detail	Context Engine	Aether
What it does	One memory for your AI agents and your team	Cloud agents you can watch, on the AI you already pay for
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	US
Pricing model	Freemium	Freemium
Pricing	Free: $0 forever with 1 agent per engine (up to 3 when friends refer), 1 GB memory. Pro: $12/month or $99/year per engine with 10 agents and 25 GB memory. Unlimited: $39/month or $299/year per engine with unlimited agents and 100 GB memory. Enterprise: from $6,000/year per install on your own server	Free 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
Key features	Connect ChatGPT, Claude, Claude Code and Cursor with a few clicks AI tools save decisions, notes, people, customers and files Search with semantic understanding, not just exact words Automatic summaries by day, week and month Link related memories automatically Prevent duplicate memories with deduplication Export all data as Markdown and JSON Separate engines for clients with no data crossing Fine-grained access control (read or read-and-save) Full history tracking for every change	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
What makes it different	Keeps AI tools from forgetting context between sessions Data isolated per engine with no sharing between customers Fully portable—export anytime or delete permanently Pay per engine, never per person added to team	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
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)	17 +2 (up) since last check	31 no change since last check
Trust Flow (Majestic)	13	7
Citation Flow (Majestic)	28	22
Referring domains (Majestic)	32	48

5 details filled in for both companies.

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