Scalable self-hosted real-time messaging and state sync platform
Fastest inference. Lowest price.
Stage
Established
Not given
Founded
2023
Not given
Based in
CY
US
Pricing model
Open source
Paid
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.
DeepSeek V4.1 Flash with cached input from $0.008 per 1M tokens. DeepSeek V4.1 Flash Fast at up to 322 output tokens per second.
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
Prefix caching enabled by default
1 million token context window
Chat Completions and Responses
Streaming support
Tool calls
OpenAI-compatible API
Up to 322 output tokens per second
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
Lowest price per 1M tokens at $0.008 for cached input
Fastest inference speed at 322 output tokens per second
Built specifically for long-running agent workloads
Centrifugo
CoralBricks