Comparison

Apache Pulsar vs Redpanda

On the evidence we track, Redpanda leads this comparison with a composite score of 69/100. 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
Redpanda69
Score
Vioscale score
Apache Pulsar59 / 100low · 29%
Redpanda69 / 100medium · 59%
Pricing
Free tier
Apache Pulsar
Redpanda
Model
Apache Pulsarcommercial
Redpandacommercial
Price level
Apache Pulsarfree
Redpandalow
Transparent
Apache Pulsar
Redpanda
Integrations
Count
Apache Pulsar35
Redpanda300
Reliability
Sla pct
Apache Pulsar
Redpanda99.99
Status page
Apache Pulsar
Redpanda
Adoption
Dependent repos
Apache Pulsar316
Redpanda25
Github stars
Apache Pulsar15,315
Redpanda12,485
Activity
Commits last 30d
Apache Pulsar69
Redpanda100
Release
Cadence days
Apache Pulsar
Redpanda6
History
Apache Pulsar20 items
Redpanda20 items
License
Spdx
Apache PulsarApache-2.0
Redpanda
Language
Primary
Apache PulsarJava
RedpandaC++
Market
Availability
Apache Pulsar

Capabilities

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

Core
Messaging paradigm
Apache PulsarPub/sub
RedpandaLog / streaming
Correctness
Delivery guarantee
Apache PulsarExactly-once
RedpandaAt-least-once
Ordering guarantee
Apache PulsarPer-partition
RedpandaPer-partition
Durability
Durable replayable log
Apache Pulsar
Redpanda
Message replay / rewind
Apache Pulsar
Redpanda
Interop
Wire protocol
Apache Pulsarpulsar://
RedpandaKafka protocol
Kafka-protocol compatible
Apache Pulsar
Redpanda
Scale
Partitioned horizontal scaling
Apache Pulsar
Redpanda
Geo / cross-region replication
Apache Pulsar
Redpanda
Consumption
Consumer groups / competing consumers
Apache Pulsar
Redpanda
Dead-letter queue
Apache Pulsar-
Redpanda-
Deployment
Managed cloud offering exists
Apache Pulsar-
Redpanda
Hosting
Apache PulsarCloud + self-hosted
RedpandaCloud + self-hosted
Processing
Built-in stream processing
Apache Pulsar
Redpanda

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

Redpanda

Leader

A data streaming platform designed to reduce operational costs while maintaining high throughput. Kafka-compatible with support for both managed cloud deployments (Dedicated, BYOC, Serverless) and self-hosted options, featuring tiered storage, built-in data transforms, and governance capabilities for AI agents.

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 ↗

Redpanda

Leader
HybridFree tier

Free tier (Community Edition). Cloud and Enterprise plans available via quote.

  • Community EditionFree
  • Enterprise EditionContact sales
  • Redpanda CloudContact 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
Redpanda
CLI
Apache Pulsar
Redpanda
Deployment
Cloud / SaaS
Apache Pulsar
Redpanda
Self-hosted
Apache Pulsar
Redpanda
On-premise
Apache Pulsar
Redpanda
Hybrid
Apache Pulsar
Redpanda

Integrations

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

In common (2)
  • Kafka
  • PostgreSQL

Apache Pulsar

29 total - 27 not shared
  • RabbitMQ
  • MongoDB
  • Cassandra
  • Elasticsearch
  • HBase
  • HDFS
  • InfluxDB
  • Redis
  • Solr
  • DynamoDB
  • Kinesis
  • Azure Data Explorer
  • ClickHouse
  • MariaDB
  • SQLite
  • Debezium MySQL
  • Debezium PostgreSQL
  • Debezium MongoDB
  • Debezium Oracle
  • Debezium Microsoft SQL Server
  • Canal
  • Aerospike
  • Alluxio
  • NSQ
  • +3 more
Independently observed

Redpanda

Leader
9 total - 7 not shared
  • Apache Iceberg
  • Snowflake
  • BigQuery
  • Google Cloud Storage
  • AWS
  • Google Cloud Platform
  • Azure
Independently observed

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