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Head-to-head · Message Broker Software

Google Cloud Pub/Sub vs Apache Artemis

  • Updated Oct 2026
  • Both researched from official sources
  • 2 checks side by side
Higher score Google Cloud Pub/Sub #3 in Message Broker Software 9.1/10 Free plan Free plan✓ 1 of 1 features Visit Google Cloud
Apache Artemis #6 in Message Broker Software 8.7/10 Free plan Free plan✓ 1 of 1 features Visit Apache Artemis

Google Cloud Pub/Sub leads on 0 checks, Apache Artemis on 0, and 2 are even. Who comes out ahead on the 2 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreGoogle Cloud Pub/Sub · 9.1/10
  • Free planboth

Google Cloud Pub/Sub scores higher on our rubric for message broker software: 9.1 against 8.7 out of 10; our editors rank them #3 and #6.

On deployment model, Apache Artemis gives you Self_hosted where Google Cloud Pub/Sub offers Cloud.

Google Cloud Pub/Sub is the better fit for managed cloud pub/sub. Apache Artemis is the better fit for self-hosted enterprise messaging.

  • Google Cloud Pub/Sub fits best

    Managed cloud pub/sub

  • Apache Artemis fits best

    Self-hosted enterprise messaging

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Side by side

Feature Google Cloud Pub/Sub 9.1/10 Visit ↗ Apache Artemis 8.7/10 Visit ↗
At a glance
Editor score 9.1 8.7
Ranking #3 in Message Broker Software #6 in Message Broker Software
Best for Managed cloud pub/sub Self-hosted enterprise messaging
Pricing model Free plan + paid Free
Starting price — Free plan
Free plan ✓ ✓
Free trial — —
Deployment Cloud Self-hosted
Platforms Web Windows, macOS, Linux
Support Tickets, Community, Docs · 24/7 Community, Docs
Built for Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features Google Cloud Pub/Sub 1/1 · Apache Artemis 1/1
Dead-letter queues ✓ ✓
Specs
Deployment model Cloud Self_hosted
Delivery guarantees Configurable Configurable
Ordering guarantees Not checked yet Per_queue
Maximum message size 10 MB Not checked yet
Supported protocols REST, gRPC AMQP, MQTT, STOMP, OpenWire, Core
Our review
Pros
  • Exactly-once delivery, ordering keys, replay, and dead-letter topics
  • Pull and push subscriptions with message filtering
  • Integrations with BigQuery, Cloud Storage, Dataflow, and more
  • Supports AMQP, MQTT, STOMP, OpenWire, and Core protocols
  • Combines persistence, transactions, clustering, and automatic failover
  • Handles dead-lettering, ordered consumption, and large messages
Cons
  • Paid standard throughput starts at $40 per TiB monthly
  • Storage, transfer, import, export, and transformation charges can also apply
  • Cloud deployment may not suit teams seeking a self-managed broker
  • Self-hosted deployment requires responsibility for operations and infrastructure
  • Ordering guarantees apply per queue rather than universally
  • Does not include AI features
Our verdict

Google Cloud Pub/Sub is a fully managed real-time messaging service for exchanging messages between independent applications. It fits teams building event-driven applications, streaming pipelines, and distributed systems that need publish…

Read the review →

Apache Artemis is an open-source, embeddable message broker for asynchronous messaging and message-oriented middleware. It supports both queue and publish-subscribe patterns, making it suitable for teams building distributed applications…

Read the review →
  1. Google Cloud Pub/SubMessage Broker Software 9.1Free plan
  2. Apache ArtemisMessage Broker Software 8.7Free plan

Strengths and trade-offs

  • Google Cloud Pub/Sub — where it wins

    • Exactly-once delivery, ordering keys, replay, and dead-letter topics
    • Pull and push subscriptions with message filtering
    • Integrations with BigQuery, Cloud Storage, Dataflow, and more

    Where it doesn't

    • Paid standard throughput starts at $40 per TiB monthly
    • Storage, transfer, import, export, and transformation charges can also apply
    • Cloud deployment may not suit teams seeking a self-managed broker

  • Apache Artemis — where it wins

    • Supports AMQP, MQTT, STOMP, OpenWire, and Core protocols
    • Combines persistence, transactions, clustering, and automatic failover
    • Handles dead-lettering, ordered consumption, and large messages

    Where it doesn't

    • Self-hosted deployment requires responsibility for operations and infrastructure
    • Ordering guarantees apply per queue rather than universally
    • Does not include AI features

More comparisons

All message broker software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update