Scalable self-hosted real-time messaging and state sync platform
Cloud infrastructure for your code and agents
Stage
Established
Startup
Founded
2023
2024
Based in
CY
US
Pricing model
Open source
Freemium
Pricing
Open source version is free. Centrifugo PRO available with flat licensing (no per-connection or per-message fees) and requires contacting sales for a quote.
Starter: Free with $100 in credits; Team: $200/mo (annual) or $250/mo (monthly) with $100/mo credits. Usage-based rates: Code Reviews $1.00 per review, x64 Runners $0.002 per vCPU/minute, macOS Runners $0.020 per vCPU/minute, Sandbox vCPU $0.000014 per second, Sandbox Memory $0.0000045 per GiB/secon
Key features
WebSocket, HTTP-streaming, SSE, WebTransport, and gRPC transports
Channel history and message recovery
Flexible authentication and authorization
State synchronization with transactional consistency
Connection event proxying to backend
Online presence detection for users
Efficient binary Protobuf protocol
Resumable streams and transport fallback for AI applications
Instant sandboxes that boot in under one second
GitHub Actions runners for x64 and macOS
AI-powered code review on every pull request
Support for Go, TypeScript, and Python SDKs
Git operations including clone, checkout, and diff
Persistent volumes and snapshots
Outbound domain and CIDR allowlists
Pre-built container images
OpenCode integration for AI workflows
Configurable CPU and memory options
What makes it different
Set up once and works forever with no ongoing configuration needed
Handles millions of concurrent connections with minimal hardware
Self-hosted so messages and data never leave your infrastructure
No per-connection or per-message billing
Works in production at scale with proven reliability
Bare-metal infrastructure for 30% faster performance and up to 60% cheaper than alternatives
Sandboxes boot in under one second, enabling instant isolation for AI agents
AI code review that reads your full codebase and reviews every PR
Drop-in GitHub Actions replacement requiring no configuration changes
Infrastructure built specifically for AI agents to write, run, and ship code
Centrifugo
Tenki