vioscaleAI
Comparison

Google Cloud Pub/Sub vs RabbitMQ

On the evidence we track, RabbitMQ leads this comparison with a composite score of 67/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Google Cloud Pub/Sub full profile →RabbitMQ full profile →
Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
Google Cloud Pub/Sub54
★RabbitMQ67
Score
vioscaleAI score
Google Cloud Pub/Sub54 / 100medium · 50%
RabbitMQ67 / 100low · 47%
Pricing
Free tier
Google Cloud Pub/Sub✓
RabbitMQ✓
Model
Google Cloud Pub/Subfreemium
RabbitMQfreemium
Price level
Google Cloud Pub/Sublow
RabbitMQlow
Transparent
Google Cloud Pub/Sub✗
RabbitMQ✗
Integrations
Count
Google Cloud Pub/Sub9
RabbitMQ–
Security
Disclosure policy
Google Cloud Pub/Sub–
RabbitMQ✓
Scorecard
Google Cloud Pub/Sub–
RabbitMQ6.1
Trust center
Google Cloud Pub/Sub–
RabbitMQhttps://www.rabbitmq.com/security
Vulnerabilities
Reliability
Status page
Google Cloud Pub/Sub✓
RabbitMQ–
Adoption
Dependent repos
Google Cloud Pub/Sub–
RabbitMQ282
Github stars
Google Cloud Pub/Sub–
RabbitMQ13,917
Package downloads weekly
Google Cloud Pub/Sub–
RabbitMQ2,820,361
Activity
Commits last 30d
Google Cloud Pub/Sub–
RabbitMQ100
Release
Cadence days
Google Cloud Pub/Sub–
RabbitMQ25
History
Google Cloud Pub/Sub–
RabbitMQ20 items
License
Spdx
Google Cloud Pub/Sub–
RabbitMQBSD-3-Clause
Language
Primary
Google Cloud Pub/Sub–
RabbitMQJavaScript
Market
Availability
Content
Faq
Google Cloud Pub/Sub6 items
RabbitMQ5 items

Capabilities

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

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

What each one is

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

Google Cloud Pub/Sub

Google Cloud's publish-subscribe messaging platform that delivers events to multiple subscribers with at-least-once delivery guarantees, cross-zone replication, and optional per-key ordering. It integrates with popular data processing, analytics, and monitoring tools for end-to-end data streaming solutions.

Independently observed

RabbitMQ

Leader

An open-source message broker and streaming platform for reliable message exchange in distributed systems. Supports multiple standard protocols including AMQP, MQTT, and STOMP.

Independently observed

Pricing

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

Google Cloud Pub/Sub

from $0.27/moUsage-basedFree tier

Usage-based: $40/TiB throughput, $0.27/GiB-month storage. Free tier: 10 GiB/month throughput.

  • Standard Pub/Sub$40/TiB throughput + $0.27/GiB-month storage (first 10 GiB throughput free)
    • At-least-once message delivery
    • Per-key message ordering
    • Pull and push delivery modes
    • Cross-zone replication
    • Automatic scaling and provisioning
    • +1 more
as of verify ↗

RabbitMQ

Leader
HybridFree tier
  • Open SourceFree
  • CommercialContact sales
as of verify ↗

Platform & deployment

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

Platforms
Web
Google Cloud Pub/Sub✓
RabbitMQ✓
Linux
Google Cloud Pub/Sub✗
RabbitMQ✓
CLI
Google Cloud Pub/Sub✗
RabbitMQ✓
Deployment
Cloud / SaaS
Google Cloud Pub/Sub✓
RabbitMQ✓
Self-hosted
Google Cloud Pub/Sub✗
RabbitMQ✓
On-premise
Google Cloud Pub/Sub✗
RabbitMQ✓
Hybrid
Google Cloud Pub/Sub✓
RabbitMQ✗

Integrations

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

Google Cloud Pub/Sub

12 total
  • BigQuery
  • Cloud Storage
  • Dataflow
  • Splunk
  • Datadog
  • Striim
  • Informatica
  • Confluent Cloud
  • Apache Kafka
  • Knative Eventing
  • Looker Studio
  • Data Studio
Independently observed

RabbitMQ

Leader

Not documented yet.

Still deciding?

Google Cloud Pub/Sub or RabbitMQ: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

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