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Context Data vs Context Engine

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

Context Data compared with Context Engine
DetailContext Data logo Context DataContext Engine logo Context Engine
What it doesGoverned access to production data for AI agents One memory for your AI agents and your team
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelOpen source Freemium
PricingNot given 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
Key features
  • Automatic detection and masking of sensitive data in results
  • Risk-based approval workflow for writes
  • Append-only audit log of all requests
  • Support for multiple protocols: MCP, Postgres wire, HTTP
  • Data lineage tracking
  • 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
What makes it different
  • Works with agents and data you already have
  • Open source under Apache 2.0 license
  • Transparent status of every feature
  • 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
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)26 no change since last check15 +3 (up) since last check
Trust Flow (Majestic)713
Citation Flow (Majestic)2328
Referring domains (Majestic)12432

4 details filled in for both companies.

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