Comparison

Apache Pulsar vs RabbitMQ

On the evidence we track, RabbitMQ leads this comparison with a composite score of 65/100. 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
Apache Pulsar59
RabbitMQ65
Score
Vioscale score
Apache Pulsar59 / 100low · 29%
RabbitMQ65 / 100low · 38%
Pricing
Free tier
Apache Pulsar
RabbitMQ
Model
Apache Pulsarcommercial
RabbitMQcommercial
Price level
Apache Pulsarfree
RabbitMQlow
Transparent
Apache Pulsar
RabbitMQ
Integrations
Count
Apache Pulsar35
RabbitMQ
Adoption
Dependent repos
Apache Pulsar316
RabbitMQ3
Github stars
Apache Pulsar15,315
RabbitMQ13,807
Package downloads weekly
Apache Pulsar
RabbitMQ3,179,580
Activity
Commits last 30d
Apache Pulsar69
RabbitMQ100
Release
Cadence days
Apache Pulsar
RabbitMQ9
History
Apache Pulsar20 items
RabbitMQ20 items
License
Spdx
Apache PulsarApache-2.0
RabbitMQBSD-3-Clause
Language
Primary
Apache PulsarJava
RabbitMQJavaScript

Capabilities

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

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

What each one is

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

Apache Pulsar

A distributed messaging system built for cloud deployments that enables applications to reliably publish and consume messages—either individually or as continuous streams—with sub-10-millisecond latency, supporting millions of independent topics and large-scale streaming workloads.

Independently observed

RabbitMQ

Leader

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.

Apache Pulsar

Open source
as of verify ↗

RabbitMQ

Leader
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
Apache Pulsar
RabbitMQ
Linux
Apache Pulsar
RabbitMQ
CLI
Apache Pulsar
RabbitMQ
Deployment
Cloud / SaaS
Apache Pulsar
RabbitMQ
Self-hosted
Apache Pulsar
RabbitMQ
On-premise
Apache Pulsar
RabbitMQ

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Apache Pulsar

29 total
  • Kafka
  • RabbitMQ
  • MongoDB
  • Cassandra
  • Elasticsearch
  • HBase
  • HDFS
  • InfluxDB
  • Redis
  • Solr
  • DynamoDB
  • Kinesis
  • Azure Data Explorer
  • ClickHouse
  • PostgreSQL
  • MariaDB
  • SQLite
  • Debezium MySQL
  • Debezium PostgreSQL
  • Debezium MongoDB
  • Debezium Oracle
  • Debezium Microsoft SQL Server
  • Canal
  • Aerospike
  • +5 more
Independently observed

RabbitMQ

Leader

Not documented yet.

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