What's the Difference Between Amazon EventBridge and Amazon SQS?

Compare Amazon EventBridge and Amazon SQS side by side — features, pricing, and ideal use cases to help you choose the right product.

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Compare side-by-side

Comparisons	Amazon EventBridge	Amazon SQS
Category	Application Integration, Event bus	Application Integration, Messaging queues
Description	Builds event-driven apps at scale across AWS, SaaS or existing systems	Managed message queues
Best for	Event-driven architectures SaaS integration Application integration Audit & monitoring	Microservices decoupling Work queues Batch processing Event buffering
Key features	Event buses Schema registry Event replay Pipes Scheduler	Standard & FIFO queues Dead-letter queues Server-side encryption Long polling Message timers
Pricing model	Pay per event published	Pay per million requests
Free tier	Yes	Yes
Expert take	“EventBridge is the evolution of CloudWatch Events with richer filtering, schema discovery, and SaaS integration. Use it when you need content-based routing (filter on event fields) or need to connect to third-party SaaS sources. For simple queue-based decoupling, SQS is lighter weight.” — Didier Durand, re:Post Top Contributor [profile]	“Standard queues give you nearly unlimited throughput with at-least-once delivery. FIFO queues guarantee exactly-once processing and strict ordering but cap at 3,000 messages/second with batching. Pick Standard for throughput, FIFO for correctness.” — Riku Kobayashi, re:Post Top Contributor [profile]
Product page	Learn more about Amazon EventBridge »	Learn more about Amazon SQS »

When to use Amazon EventBridge or Amazon SQS

Use Amazon EventBridge when:

Event-driven architectures
SaaS integration
Application integration
Audit & monitoring

Learn more about Amazon EventBridge »

Use Amazon SQS when:

Microservices decoupling
Work queues
Batch processing
Event buffering

Learn more about Amazon SQS »

Next steps with AWS for Application Integration

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Start building with Amazon EventBridge and Amazon SQS on the AWS Free Tier.

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Builds event-driven apps at scale across AWS, SaaS or existing systems

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Get started with Amazon SQS

Managed message queues

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AWS product comparisons

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