# Google Cloud Pub/Sub

- **Canonical URI:** https://www.vioscale.ai/software/google-cloud-pub-sub
- **Category:** Message Queues
- **Homepage:** https://cloud.google.com/pubsub
- **Also known as:** google-cloud-pub-sub
- **Profile claimed by vendor:** no
- **Last updated:** 2026-08-05T13:32:00.973Z

## Vioscale score

**61.5 / 100**, confidence 43% (low).

Composite of weighted, independently-sourced signals (no user reviews, no vendor payment).

| Signal | Score | Weight | Contribution | Evidence present |
|---|--:|--:|--:|:--:|
| price_level | 80 | 0.047 | 3.8 | ✓ |
| reliability | 50 | 0.175 | 8.8 | ✓ |
| capabilities | 86.7 | 0.07 | 6.1 | ✓ |
| integrations | 26 | 0.094 | 2.4 | ✓ |
| security_posture | 0 | 0.129 | 0 | - |
| pricing_transparency | 100 | 0.07 | 7 | ✓ |

## Pricing

_As of 2026-08-05, [verify at source](https://cloud.google.com/pubsub). Independently observed._

from $0.27/mo · Usage-based · Free tier

> Usage-based: $40/TiB throughput, $0.27/GiB-month storage. Free tier: 10 GiB/month throughput.

| Plan | Price | Free | Commitment |
|---|---|:--:|---|
| Standard Pub/Sub | $40/TiB throughput + $0.27/GiB-month storage (first 10 GiB throughput free) | - | - |

### Standard Pub/Sub

Pay-as-you-go pricing based on message throughput and retention

**Included limits:** free_throughput: 10 GiB/month

- 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

### Add-ons

- **BigQuery Subscription** ($50 per TiB)
- **Cloud Storage Subscription** ($50 per TiB)
- **Kinesis Data Streams Import** ($50 per TiB)
- **Other Source Imports (Azure Event Hubs, AWS MSK, Confluent Cloud)** ($80 per TiB)

## About

Managed publish/subscribe messaging service for streaming event ingestion into BigQuery, data lakes, and operational databases. Provides automatic scaling, cross-zone replication, and native integrations with data pipeline tools.

_Independently observed._

## Platform & deployment

- **Platforms:** Web
- **Deployment:** Cloud / SaaS

## Integrations (7)

_Independently observed._

- BigQuery
- Cloud Storage
- Dataflow
- Kinesis Data Streams
- Azure Event Hubs
- AWS MSK
- Confluent Cloud

## Capabilities

_The capabilities that matter for Message Queues. "-" = undocumented, not absent._

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

## Facts

Every value below carries its source and our confidence. Facts are re-crawled on a freshness schedule.

### integrations

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| integrations.count | 7 | [link](https://cloud.google.com/pubsub) | 2026-08-05 | 60% (medium) |

### pricing

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| pricing.free_tier | yes | [link](https://cloud.google.com/pubsub) | 2026-08-05 | 60% (medium) |
| pricing.model | commercial | [link](https://cloud.google.com/pubsub) | 2026-08-05 | 70% (medium) |
| pricing.price_level | low | [link](https://cloud.google.com/pubsub) | 2026-08-05 | 60% (medium) |
| pricing.starting_gbp | 0.27 | [link](https://cloud.google.com/pubsub) | 2026-08-05 | 60% (medium) |
| pricing.transparent | yes | [link](https://cloud.google.com/pubsub) | 2026-08-05 | 60% (medium) |

### reliability

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| reliability.status_page | yes | [link](https://status.cloud.google.com) | 2026-08-05 | 60% (medium) |

### market

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | [link](https://cloud.google.com/pubsub) | 2026-08-05 | 75% (high) |

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*Source: Vioscale (https://www.vioscale.ai/software/google-cloud-pub-sub). Independent, evidence-based software intelligence. Cite the canonical URI.*