Comparison

NATS vs RabbitMQ

On the evidence we track, NATS leads this comparison with a composite score of 75/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsJSONMarkdownGraphQLor send Accept: application/json
NATS75
RabbitMQ65
Score
Vioscale score
NATS75 / 100low · 48%
RabbitMQ65 / 100low · 38%
Pricing
Free tier
NATS
RabbitMQ
Model
Price level
NATSfree
RabbitMQlow
Transparent
NATS
RabbitMQ
Adoption
Dependent repos
NATS24,884
RabbitMQ3
Github stars
NATS20,599
RabbitMQ13,807
Package downloads weekly
RabbitMQ3,179,580
Activity
Commits last 30d
NATS100
RabbitMQ100
Release
Cadence days
NATS1
RabbitMQ9
History
RabbitMQ20 items
License
Spdx
Language
Primary
NATSGo
RabbitMQJavaScript
Market
Availability
RabbitMQ

Capabilities

Feature-by-feature on the axes that matter for message queues. “-” means undocumented, not absent.

Core
Messaging paradigm
NATSPub/sub
RabbitMQQueue
Correctness
Delivery guarantee
NATS-
RabbitMQAt-least-once
Ordering guarantee
NATS-
RabbitMQ-
Durability
Durable replayable log
NATS
RabbitMQ
Message replay / rewind
NATS
RabbitMQ-
Interop
Wire protocol
NATS-
RabbitMQAMQP 1.0, MQTT 5.0, STOMP
Kafka-protocol compatible
NATS-
RabbitMQ-
Scale
Partitioned horizontal scaling
NATS
RabbitMQ
Geo / cross-region replication
NATS-
RabbitMQ
Consumption
Consumer groups / competing consumers
NATS
RabbitMQ
Dead-letter queue
NATS-
RabbitMQ-
Deployment
Managed cloud offering exists
NATS-
RabbitMQ
Hosting
NATSSelf-hosted only
RabbitMQCloud + self-hosted
Processing
Built-in stream processing
NATS-
RabbitMQ

What each one is

The product in its own terms, so the numbers below have context.

NATS

Leader

NATS enables components of a distributed software system to send messages to each other. It is an open-source project maintained by the Cloud Native Computing Foundation and can be deployed across cloud environments, on-site servers, edge computing devices, and embedded systems.

Independently observed

RabbitMQ

A powerful, enterprise-grade open-source messaging and streaming broker that enables efficient, reliable and versatile communication for distributed microservices, real-time data, and IoT applications.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

NATS

Leader
Open source
as of verify ↗

RabbitMQ

HybridFree tier

Free open source, with commercial Tanzu RabbitMQ offering available

  • Open SourceFree
  • Tanzu RabbitMQContact sales
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
NATS
RabbitMQ
Linux
NATS
RabbitMQ
CLI
NATS
RabbitMQ
Deployment
Cloud / SaaS
NATS
RabbitMQ
Self-hosted
NATS
RabbitMQ
On-premise
NATS
RabbitMQ

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.