Skip to content
Sign in Submit your app

RailCall 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.

RailCall compared with Context Engine
DetailRailCall logo RailCallContext Engine logo Context Engine
What it doesAI runs where you own it One memory for your AI agents and your team
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Freemium
PricingRailCall local runtime: free. RailHub Team: $5 per seat per month. Cloud agents: $5 per trained agent per month. Advanced thinking (overflow): metered against a budget you set, with 500 flows per month included. Storage on hub: $0.25 per GB-month with 5 GB free. 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
  • Studio visual workflow builder with 1,000+ nodes
  • CLI and terminal-first interface
  • Ed25519-signed tamper-evident receipts
  • Human approval airlock for all actions
  • Autonomous agents that run 24/7
  • Capacity routing across organization machines
  • MCP integration with 33 tools
  • Multi-level human approval workflows
  • Offline receipt verification
  • Company-wide stop button
  • 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
  • Entire local runtime free with MIT license, no login required
  • Cryptographically signed receipts verifiable offline
  • 80% reduction in AI costs compared to top models
  • No execution counters or machine count limits
  • 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)313
Citation Flow (Majestic)1328
Referring domains (Majestic)3532

5 details filled in for both companies.

More alternatives to RailCall More alternatives to Context Engine

Get help