Confluent Cloud vs Amazon Kinesis Data Streams

Confluent Cloud9.2Visit Amazon Kinesis Data Streams8.6Visit

Higher score Confluent Cloud #2 in Event Streaming Platforms 9.2/10 Free plan · 30-day trial Free planFree trial✓ 2 of 2 features Try Confluent Cloud

vs

Amazon Kinesis Data Streams #7 in Event Streaming Platforms 8.6/10 Paid ✓ 2 of 2 features Visit AWS

• Confluent Cloud fits best

  Enterprises needing governed managed Kafka

• Amazon Kinesis Data Streams fits best

  AWS teams ingesting high-volume event streams

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Side by side

Feature	Confluent Cloud 9.2/10 Visit ↗	Amazon Kinesis Data Streams 8.6/10 Visit ↗
At a glance
Editor score	9.2	8.6
Ranking	#2 in Event Streaming Platforms	#7 in Event Streaming Platforms
Best for	Enterprises needing governed managed Kafka	AWS teams ingesting high-volume event streams
Pricing model	Free plan + paid	Paid
Starting price	$385/mo	$0.01/unit usage-based
Free plan	✓ (best)	—
Free trial	30 days	—
Deployment	Cloud	Cloud
Platforms	Web	Web
Support	Tickets, Community, Docs · 24/7	Docs
Compliance	SOC 2, ISO 27001, GDPR, PCI DSS, SSO/SAML	2FA
Integrations	150+ integrations	12 integrations
Built for	Small business, Mid-market, Enterprise	Small business, Mid-market, Enterprise
Features Confluent Cloud 2/2 · Amazon Kinesis Data Streams 2/2
Stream processing	✓	✓
Schema registry	✓	✓
Specs
Deployment model	Cloud	Cloud
Maximum retention	Not checked yet	365 days
Delivery guarantee	Both	At-least-once
Connectors listed	80 connectors	Not checked yet
Supported client languages	Java, Python, Go, JavaScript, .NET, C/C++	Go, Java, JavaScript, .NET, PHP, Python, Ruby, C++, Kotlin, Rust, SAP ABAP, Swift
Our review
Pros	Fully managed Kafka with autoscaling and 80+ connectors Schema Registry, Flink processing, governance, and lineage TLS, RBAC, ACLs, audit logs, and SAML/SSO controls	Real-time ingestion with retention options up to 365 days Extensive AWS integrations, including Lambda, S3, and Flink Automatic shard management in on-demand mode
Cons	Standard starts at $385 per month Consumption-based billing varies by usage and cloud region Advanced enterprise features require the $895-per-month plan	No free plan; pricing varies by AWS Region At-least-once processing semantics can require duplicate handling Enhanced retention and other capabilities can add separate charges
Our verdict	Confluent Cloud is a cloud service for organizations building real-time data pipelines, event-driven applications, streaming analytics, and data integrations. It provides fully managed Apache Kafka clusters through web and API access, with… Read the review →	Amazon Kinesis Data Streams is a fully managed, serverless service for ingesting, storing, and consuming streaming data in real time. It is suited to AWS teams building event-driven applications, clickstream or log analytics, dashboards,… Read the review →

Strengths and trade-offs

• Confluent Cloud — where it wins

  • Fully managed Kafka with autoscaling and 80+ connectors
  • Schema Registry, Flink processing, governance, and lineage
  • TLS, RBAC, ACLs, audit logs, and SAML/SSO controls

  Where it doesn't

  • Standard starts at $385 per month
  • Consumption-based billing varies by usage and cloud region
  • Advanced enterprise features require the $895-per-month plan

• Amazon Kinesis Data Streams — where it wins

  • Real-time ingestion with retention options up to 365 days
  • Extensive AWS integrations, including Lambda, S3, and Flink
  • Automatic shard management in on-demand mode

  Where it doesn't

  • No free plan; pricing varies by AWS Region
  • At-least-once processing semantics can require duplicate handling
  • Enhanced retention and other capabilities can add separate charges

• Confluent Cloud9.2/10 · Free plan · 30-day trial

  A broad managed Kafka platform with strong governance, but a high paid entry price.

  Try Confluent CloudFull verdict →
• Amazon Kinesis Data Streams8.6/10 · Paid

  A flexible AWS-native stream service with usage pricing and at-least-once delivery.

  Visit AWSFull verdict →