# Google Cloud Pub/Sub vs WarpStream

**Leader by vioscaleAI score:** WarpStream

| Attribute | Google Cloud Pub/Sub | WarpStream |
|---|---|---|
| **vioscaleAI score** | 53.7 (50% (medium)) | 74.6 (62% (medium)) |
| content.faq | `[{"answer":"Google Cloud's managed messaging system that reliably routes messages between applications with support for real-time data processing and integration with analytics, log management, and data platforms. It is indexed under Message Queues.","source":"https://cloud.google.com/pubsub","question":"What is Google Cloud Pub/Sub?","confidence":0.6},{"answer":"Google Cloud Pub/Sub offers a free tier, so you can start without paying. Paid plans start at $0.27. Pricing changes often, so verify at source before relying on it.","source":"https://cloud.google.com/pubsub","question":"Is Google Cloud Pub/Sub free?","confidence":0.6},{"answer":"We have confirmed browser-based access to Google Cloud Pub/Sub. That is the extent of what we could verify from public sources, so it may well offer desktop or mobile clients we have not indexed.","source":"https://cloud.google.com/pubsub","question":"What platforms does Google Cloud Pub/Sub support?","confidence":0.6},{"answer":"Not fully, on what we have confirmed. Google Cloud Pub/Sub is offered as cloud / SaaS and hybrid, and a hybrid deployment usually means some components can run on your own infrastructure while the rest stays vendor-hosted. We have not confirmed a completely self-hosted option, so check with the vendor if that is a requirement.","source":"https://cloud.google.com/pubsub","question":"Can Google Cloud Pub/Sub be self-hosted?","confidence":0.6},{"answer":"We have confirmed 11 integrations for Google Cloud Pub/Sub, including BigQuery, Cloud Storage, Dataflow, Splunk, Datadog, Striim, Informatica and Confluent Cloud, plus 3 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://cloud.google.com/pubsub","question":"What does Google Cloud Pub/Sub integrate with?","confidence":0.6},{"answer":"Google Cloud Pub/Sub is available worldwide. Its primary market is the United States.","source":"https://cloud.google.com/pubsub","question":"Where is Google Cloud Pub/Sub available?","confidence":0.5}]` | `[{"answer":"WarpStream is a Kafka-compatible streaming platform that eliminates local disks by using cloud object storage, enabling automatic scaling and reducing costs significantly compared to traditional Kafka. It maintains full protocol compatibility while simplifying operations through managed deployment in customer cloud accounts. It is indexed under Message Queues.","source":"https://www.warpstream.com/pricing","question":"What is WarpStream?","confidence":0.6},{"answer":"WarpStream offers a free tier, so you can start without paying. Paid plans start at $0.01. Prices are published openly on the vendor's own pricing page. Pricing changes often, so verify at source before relying on it.","source":"https://www.warpstream.com/pricing","question":"Is WarpStream free?","confidence":0.6},{"answer":"WarpStream supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://www.warpstream.com/pricing","question":"What platforms does WarpStream support?","confidence":0.6},{"answer":"Yes. WarpStream can be deployed cloud / SaaS, hybrid, on-premise and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://www.warpstream.com/pricing","question":"Can WarpStream be self-hosted?","confidence":0.6},{"answer":"We have confirmed 17 integrations for WarpStream, including Apache Kafka, Bento, RisingWave, Grafana, Materialize, Snowflake, Schema Registry and Iceberg, plus 9 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://www.warpstream.com/pricing","question":"What does WarpStream integrate with?","confidence":0.6},{"answer":"We have independently confirmed SOC 2 and ISO 27001 for WarpStream. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as WarpStream not holding them. Always confirm compliance directly before you rely on it.","source":"https://www.warpstream.com/pricing","question":"What security certifications does WarpStream have?","confidence":0.6}]` |
| deployment.options | `{"cloud":true,"hybrid":true}` | `{"cloud":true,"hybrid":true,"self_hosted":true}` |
| description.long | 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. | WarpStream is a diskless, Kafka-protocol-compatible streaming platform designed to minimize data streaming costs. It offers managed cloud hosting or self-managed deployment, includes built-in autoscaling, cross-region replication, and embedded stream processing. |
| features.capabilities | `{"hosting":"cloud","ordering":"per_key","paradigm":"pubsub","message_replay":true,"persistent_log":true,"consumer_groups":true,"geo_replication":true,"managed_offering":true,"stream_processing":true,"delivery_guarantee":"at_least_once","horizontal_scaling":true}` | `{"hosting":"cloud","ordering":"per_partition","paradigm":"log_stream","protocol":"Kafka","message_replay":true,"persistent_log":true,"consumer_groups":true,"geo_replication":true,"kafka_compatible":true,"managed_offering":true,"stream_processing":true,"delivery_guarantee":"at_least_once","horizontal_scaling":true}` |
| integrations.count | 9 | 100 |
| integrations.list | `[{"name":"BigQuery"},{"name":"Cloud Storage"},{"name":"Dataflow"},{"name":"Splunk","category":"logs"},{"name":"Datadog","category":"logs"},{"name":"Striim","category":"data integration"},{"name":"Informatica","category":"data integration"},{"name":"Confluent Cloud"},{"name":"Apache Kafka"},{"name":"Knative Eventing","category":"serverless"},{"name":"Looker Studio","category":"visualization"},{"name":"Data Studio","category":"visualization"}]` | `[{"name":"Apache Kafka"},{"name":"Bento"},{"name":"RisingWave"},{"name":"Grafana"},{"name":"Materialize"},{"name":"Snowflake"},{"name":"Schema Registry"},{"name":"Iceberg"},{"name":"Tigris"},{"name":"Protobuf"},{"name":"Avro"},{"name":"JSON"},{"name":"AWS S3","native":true,"category":"storage"},{"name":"GCP GCS","native":true,"category":"storage"},{"name":"Azure Blob Storage","native":true,"category":"storage"},{"name":"Amazon MSK","category":"messaging","direction":"bidirectional"},{"name":"Confluent Cloud","category":"messaging","direction":"bidirectional"}]` |
| market.availability | `{"primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"web":true}` | `{"cli":true,"web":true}` |
| pricing | `{"type":"usage","plans":[{"free":false,"name":"Standard Pub/Sub","summary":"$40/TiB throughput + $0.27/GiB-month storage (first 10 GiB throughput free)","features":["At-least-once message delivery","Per-key message ordering","Pull and push delivery modes","Cross-zone replication","Automatic scaling and provisioning","Message retention and snapshots"],"components":[{"per":{"qty":1,"unit":"TiB"},"kind":"metered","amount":40,"currency":"USD"},{"per":{"qty":1,"unit":"GiB-month"},"kind":"metered","amount":0.27,"currency":"USD"}],"description":"Pay-as-you-go pricing based on message throughput and retention","contactSales":false,"includedLimits":{"free_throughput":"10 GiB/month"}}],"addOns":[{"name":"BigQuery Subscription","components":[{"per":{"qty":1,"unit":"TiB"},"kind":"metered","amount":50,"currency":"USD"}]},{"name":"Cloud Storage Subscription","components":[{"per":{"qty":1,"unit":"TiB"},"kind":"metered","amount":50,"currency":"USD"}]},{"name":"Kinesis Data Streams Import","components":[{"per":{"qty":1,"unit":"TiB"},"kind":"metered","amount":50,"currency":"USD"}]},{"name":"Other Source Imports (Azure Event Hubs, AWS MSK, Confluent Cloud)","components":[{"per":{"qty":1,"unit":"TiB"},"kind":"metered","amount":80,"currency":"USD"}]}],"summary":"Usage-based: $40/TiB throughput, $0.27/GiB-month storage. Free tier: 10 GiB/month throughput.","currency":"USD","freeTier":true,"sourceUrl":"https://cloud.google.com/pubsub","retrievedAt":"2026-08-05T13:22:58.268Z","startingPrice":{"amount":0.27,"period":"month","currency":"USD"},"billingPeriods":["month"]}` | `{"type":"usage","plans":[{"free":false,"name":"Dev","summary":"$100/month base + metered write throughput and cluster minutes","features":["Core functionality","99.9% SLA","mTLS"],"commitment":"monthly","components":[{"kind":"fixed","amount":100,"period":"month","currency":"USD"},{"per":{"qty":1,"unit":"GiB"},"kind":"metered","amount":0.01,"currency":"USD"},{"per":{"qty":15,"unit":"min"},"kind":"metered","amount":0.0345,"currency":"USD"}],"description":"Development-grade cluster with basic functionality","contactSales":false,"includedLimits":{"retention":"7 days","partitions":"4,096"}},{"free":false,"name":"Fundamentals","summary":"$500/month base + metered usage","features":["Production functionality","99.9% SLA","Agent Groups","Cluster Recovery","mTLS","PrivateLink","Audit Logs","Schema Validation"],"commitment":"monthly","components":[{"kind":"fixed","amount":500,"period":"month","currency":"USD"},{"per":{"qty":1,"unit":"GiB"},"kind":"metered","amount":0.01,"currency":"USD"},{"per":{"qty":15,"unit":"min"},"kind":"metered","amount":0.1725,"currency":"USD"}],"description":"Production-grade cluster with standard SLA","contactSales":false,"includedLimits":{"partitions":"16,384"}},{"free":false,"name":"Pro","summary":"$1,500/month base + metered usage","features":["Advanced isolation","Multi-region replication","99.99% SLA","Lightning Topics","Topic Recovery","Lower Latency"],"commitment":"monthly","components":[{"kind":"fixed","amount":1500,"period":"month","currency":"USD"},{"per":{"qty":1,"unit":"GiB"},"kind":"metered","amount":0.01,"currency":"USD"},{"per":{"qty":15,"unit":"min"},"kind":"metered","amount":0.52083,"currency":"USD"}],"description":"Advanced cluster with high availability and multi-region replication","contactSales":false,"includedLimits":{"partitions":"50,000"}},{"free":false,"name":"Enterprise","summary":"Contact sales for pricing","features":["99.999% SLA","Dedicated Control Plane Cell","Multi-Region HA Replication"],"description":"Custom enterprise deployment","contactSales":true,"includedLimits":{"partitions":"200,000+"}}],"summary":"From $100/month base + metered write throughput ($0.01-$0.003/GiB, tiered by volume) and storage. Free $400 non-expiring credits with no card required.","currency":"USD","freeTier":true,"sourceUrl":"https://www.warpstream.com/pricing","retrievedAt":"2026-08-14T09:20:17.521Z","startingPrice":{"amount":0.01,"period":"month","currency":"USD"},"billingPeriods":["month"]}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | commercial |
| pricing.price_level | low | unknown |
| pricing.transparent | no | no |
| reliability.sla_pct | - | 99.999 |
| reliability.status_page | yes | yes |
| security.certifications | - | `[{"name":"SOC 2 Type I","level":"Type I","status":"active"},{"name":"SOC 2 Type II","level":"Type II","status":"active"}]` |
| security.iso27001 | - | yes |
| security.soc2 | - | yes |

## Capabilities (Message Queues)

| Capability | Google Cloud Pub/Sub | WarpStream |
|---|:--:|:--:|
| **Core** |  |  |
| Messaging paradigm | Pub/sub | Log / streaming |
| **Correctness** |  |  |
| Delivery guarantee | At-least-once | At-least-once |
| Ordering guarantee | Per-key | Per-partition |
| **Durability** |  |  |
| Durable replayable log | ✓ | ✓ |
| Message replay / rewind | ✓ | ✓ |
| **Interop** |  |  |
| Wire protocol | - | Kafka |
| Kafka-protocol compatible | - | ✓ |
| **Scale** |  |  |
| Partitioned horizontal scaling | ✓ | ✓ |
| Geo / cross-region replication | ✓ | ✓ |
| **Consumption** |  |  |
| Consumer groups / competing consumers | ✓ | ✓ |
| Dead-letter queue | - | - |
| **Deployment** |  |  |
| Managed cloud offering exists | ✓ | ✓ |
| Hosting | Cloud only | Cloud only |
| **Processing** |  |  |
| Built-in stream processing | ✓ | ✓ |

*Source: vioscaleAI. Generated 2026-10-16T20:10:20.713Z. "-" = undocumented, not absent.*