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Head-to-head · Message Broker Software

RabbitMQ vs Amazon SQS

  • Updated Nov 2026
  • Both researched from official sources
  • 3 checks side by side
Higher score RabbitMQ #1 in Message Broker Software 9.4/10 Free plan Free plan✓ 1 of 1 features Visit RabbitMQ
Amazon SQS #8 in Message Broker Software 8.5/10 Free plan Free plan✓ 1 of 1 features Visit Amazon SQS

RabbitMQ leads on 1 check, Amazon SQS on 0, and 2 are even. Who comes out ahead on the 3 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreRabbitMQ · 9.4/10
  • Free planboth

RabbitMQ scores higher on our rubric for message broker software: 9.4 against 8.5 out of 10; our editors rank them #1 and #8.

On deployment model, RabbitMQ gives you Hybrid where Amazon SQS offers Cloud. RabbitMQ leads on maximum message size: 16 MB versus 1 MB.

RabbitMQ is the better fit for general-purpose open-source messaging. Amazon SQS is the better fit for managed AWS queues.

  • RabbitMQ fits best

    General-purpose open-source messaging

  • Amazon SQS fits best

    Managed AWS queues

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Side by side

Feature RabbitMQ 9.4/10 Visit ↗ Amazon SQS 8.5/10 Visit ↗
At a glance
Editor score 9.4 8.5
Ranking #1 in Message Broker Software #8 in Message Broker Software
Best for General-purpose open-source messaging Managed AWS queues
Pricing model Free Free plan + paid
Starting price Free plan —
Free plan ✓ ✓
Free trial — —
Deployment Cloud, Self-hosted Cloud
Platforms Windows, macOS, Linux Web
Support Community, Docs, Email · 24/7 Docs
Built for Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features RabbitMQ 1/1 · Amazon SQS 1/1
Dead-letter queues ✓ ✓
Specs
Deployment model Hybrid Cloud
Delivery guarantees Configurable Configurable
Ordering guarantees Per_queue Per_queue
Maximum message size 16 MB (best) 1 MB
Supported protocols AMQP 0-9-1, AMQP 1.0, MQTT, STOMP, RabbitMQ Streams, HTTP, WebSocket AWS JSON, AWS Query, HTTPS, TLS
Our review
Pros
  • Supports queues, exchanges, routing, acknowledgements, and dead-lettering
  • Offers quorum queues, federation, shovels, and RabbitMQ Streams
  • Supports AMQP, MQTT, STOMP, HTTP, WebSocket, and multiple deployments
  • Standard and FIFO queues support different delivery guarantees
  • Dead-letter queues, redrive, batching, and long polling are built in
  • Integrates with Lambda, SNS, S3, DynamoDB, and other AWS services
Cons
  • Commercial Tanzu RabbitMQ support and enterprise features are separate
  • The documented default message-size limit is 16 MB
  • Ordering guarantees apply per queue
  • Best-effort ordering applies to standard queues
  • Usage-based pricing varies by queue type and request characteristics
  • Designed for AWS environments rather than broad multi-cloud portability
Our verdict

RabbitMQ is an open-source messaging and streaming broker for distributed applications, microservices, real-time data systems, and IoT workloads. It is suited to teams that need general-purpose message queues, exchanges, routing,…

Read the review →

Amazon SQS is a fully managed cloud message queuing service for decoupling microservices, distributed systems, and serverless applications. It is suited to teams building around AWS services and accessing queues through the AWS Management…

Read the review →
  1. RabbitMQMessage Broker Software 9.4Free plan
  2. Amazon SQSMessage Broker Software 8.5Free plan

Strengths and trade-offs

  • RabbitMQ — where it wins

    • Supports queues, exchanges, routing, acknowledgements, and dead-lettering
    • Offers quorum queues, federation, shovels, and RabbitMQ Streams
    • Supports AMQP, MQTT, STOMP, HTTP, WebSocket, and multiple deployments

    Where it doesn't

    • Commercial Tanzu RabbitMQ support and enterprise features are separate
    • The documented default message-size limit is 16 MB
    • Ordering guarantees apply per queue

  • Amazon SQS — where it wins

    • Standard and FIFO queues support different delivery guarantees
    • Dead-letter queues, redrive, batching, and long polling are built in
    • Integrates with Lambda, SNS, S3, DynamoDB, and other AWS services

    Where it doesn't

    • Best-effort ordering applies to standard queues
    • Usage-based pricing varies by queue type and request characteristics
    • Designed for AWS environments rather than broad multi-cloud portability

RabbitMQ vs Amazon SQS: questions

Which is better for message broker software, RabbitMQ or Amazon SQS?

RabbitMQ scores higher on our rubric for message broker software: 9.4 against 8.5 out of 10; our editors rank them #1 and #8.

How do RabbitMQ and Amazon SQS compare?

Of the 3 checks we put side by side, RabbitMQ leads on 1, Amazon SQS on none, and 2 are level. Maximum message size: 16 MB on RabbitMQ vs 1 MB.

Do RabbitMQ and Amazon SQS have a free plan?

RabbitMQ: Yes. Amazon SQS: Yes.

More comparisons

All message broker software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Nov 2026

Last updated · How we research and update