How much does Confluent Cloud cost per month?

Confluent Cloud ranges from under $100/month for Basic cluster dev/test to $200,000+/month for multi-cluster enterprise deployments. Most production workloads on Standard clusters fall in the $1,000–$3,000/month range. Your actual cost depends on cluster type, throughput, retention, and add-on services.

How does Confluent pricing work?

Confluent pricing meters four billing dimensions: Stream (clusters via eCKUs/CKUs/hour + networking + storage), Connect (connectors per GB + task/hour), Process (Flink via CFUs/minute), and Govern (Schema Registry per environment/hour). Prices vary by cluster type and cloud region.

What is a CKU in Confluent Cloud?

A CKU (Confluent Unit for Kafka) is a unit of horizontal scaling for Dedicated clusters providing preallocated compute, throughput, and storage. An eCKU (Elastic CKU) powers elastic cluster types and only charges for consumed capacity.

How expensive is Confluent compared to Amazon MSK?

A Standard Confluent cluster runs $1,000–$3,000/month vs. ~$500–$2,000 for MSK Provisioned. Confluent bundles Schema Registry, connectors, and Flink natively. MSK requires separate AWS services. Total pipeline cost is often comparable when adjacent services are included.

Is Confluent Kafka free?

Apache Kafka is open source and free. Confluent Cloud offers a $400 free credit for 30 days. After the trial, Basic clusters at zero usage cost $0. Production usage always incurs costs.

Why is my Confluent Cloud storage bill higher than expected?

Confluent uses a replication factor of three, and you're billed for total post-replication volume. 100 GB written = 300 GB billed (not configurable). Reduce retention or offload data via Tableflow.

Can you reduce Confluent Cloud costs with committed spend?

Yes. Confluent's annual commitment agreements provide discounts across clusters, connectors, Flink, governance, and support. Multi-year terms commonly achieve below-list pricing.

How does the Confluent Cloud pricing calculator work?

The Confluent Cost Estimator projects costs based on cluster type, throughput, retention, and add-on services. Some configurations require a contact form. For actual post-deployment tracking, CloudZero maps real costs to business outcomes.

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