Confluent Cloud vs Google Cloud Pub/Sub
On the evidence we track, Confluent Cloud leads this comparison with a composite score of 93/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.
Capabilities
Feature-by-feature on the axes that matter for message queues. “-” means undocumented, not absent.
What each one is
The product in its own terms, so the numbers below have context.
Confluent Cloud
LeaderConfluent Cloud is a managed Kafka service that automates infrastructure management and scaling across multiple cloud providers. It combines Kafka for streaming data with integrated Apache Flink for stream processing, providing enterprise-grade security, hundreds of pre-built connectors, and usage-based pricing with no upfront capacity provisioning required.
Google Cloud Pub/Sub
Google Cloud's publish-subscribe messaging platform that delivers events to multiple subscribers with at-least-once delivery guarantees, cross-zone replication, and optional per-key ordering. It integrates with popular data processing, analytics, and monitoring tools for end-to-end data streaming solutions.
Pricing
List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.
Confluent Cloud
LeaderFree tier available. Pay-as-you-go usage pricing ($0.14-2.25/eCKU-hour depending on tier, $0.035-0.050/GB networking, $0.03-0.08/GB-month storage). Annual commitments available with tiered discounts. $400 free credits for new users over 4 months.
- FreeFree
- Autoscaling
- Kafka ACLs
- Data encryption
- Audit logs
- RBAC
- +1 more
- Standard~$385/month typical. $0.75/eCKU-hour, $0.035-0.050/GB networking, $0.03/GB/month storage
- Autoscaling at scale
- Advanced governance
- Audit logs
- SAML/SSO
- RBAC
- +1 more
- Enterprise~$895/month typical. $1.75-2.25/eCKU-hour (min 2), $0.020-0.050/GB networking, tiered storage
- GBps+ autoscaling
- Private networking
- Client-side field-level encryption
- Advanced monitoring
- All security features
Google Cloud Pub/Sub
Usage-based: $40/TiB throughput, $0.27/GiB-month storage. Free tier: 10 GiB/month throughput.
- Standard Pub/Sub$40/TiB throughput + $0.27/GiB-month storage (first 10 GiB throughput free)
- At-least-once message delivery
- Per-key message ordering
- Pull and push delivery modes
- Cross-zone replication
- Automatic scaling and provisioning
- +1 more
Platform & deployment
Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.
Integrations
What each product connects to. Counts come from the vendor's own integration directory where one exists.
Confluent Cloud
Leader- Salesforce
- Google Ads
- Google Analytics
- Hotjar
- Quickbooks
- MySQL
- Apache Flink
- Schema Registry
- Apache Iceberg
- Delta Lake
- Slack
- Amazon S3
- Elasticsearch
- AWS S3
- Google Cloud Storage
- Azure Blob Storage
Google Cloud Pub/Sub
- BigQuery
- Cloud Storage
- Dataflow
- Splunk
- Datadog
- Striim
- Informatica
- Confluent Cloud
- Apache Kafka
- Knative Eventing
- Looker Studio
- Data Studio
Confluent Cloud or Google Cloud Pub/Sub: which one depends on you
A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.
Free to run, no account needed to start. How the evaluation works
Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.