RailCall 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.
Not given
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
Visual and code-based agent builder with Studio workspace
CALM architecture combining LLMs with deterministic flows
Enterprise RAG for real-time information retrieval
Multi-channel deployment across voice, chat, and messaging
Automatic conversation evaluation and testing
Conversation analytics and insights
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
Full control and ownership of AI agent logic and data without vendor lock-in
Combines flexibility of LLMs with reliability of deterministic logic
Enterprise security and governance built in from day one
RailCall
Rasa