vioscale
Message QueuesUnclaimed

Google Cloud Pub/Sub

Visit websiteCompare alternatives
Also known as
google-cloud-pub-sub

Available worldwide

What is Google Cloud Pub/Sub?

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

Google Cloud Pub/Sub pricing

Plans, per-tier features and add-ons, dated and linked to live pricing. Pricing changes often; always verify at source before you rely on it.

Pricing as of verify at live pricing ↗Independently observed
from $0.27/moUsage-basedFree tier

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)

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

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

What Google Cloud Pub/Sub does

The capabilities that matter for message queues, normalised so it lines up with every alternative. “-” means we haven't confirmed it, not that it's missing.

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
✓
Geo / cross-region replication
✓
Consumption
Consumer groups / competing consumers
✓
Dead-letter queue
-
Deployment
Managed cloud offering exists
✓
Hosting
Cloud only
Processing
Built-in stream processing
✓
Independently observed

Platform & deployment

Independently observed
Platforms
  • Web
Deployment
  • Cloud / SaaS

Integrations (7)

Independently observed
  • BigQuery
  • Cloud Storage
  • Dataflow
  • Kinesis Data Streams
  • Azure Event Hubs
  • AWS MSK
  • Confluent Cloud

Google Cloud Pub/Sub alternatives

Other message queues we track, ranked by the same independent score.

Independent · unbought · dated

The Vioscale score: one lens on the evidence

Not user reviews and not a paid placement: a confidence-weighted blend of the independent signals below (adoption, activity, security posture, and more), which you can sort and re-weight yourself. Vendors can correct their listing but can never move their rank, and stars are weighted low as a vanity metric. It is one way to read the evidence for Google Cloud Pub/Sub, not the verdict.

Balanced composite 62 / 100
low · 43%
Signal contributions to the composite score
SignalScoreWeightContributionEvidence
Reliability500.178.8✓
Pricing Transparency1000.077.0✓
Capabilities870.076.1✓
Price Level800.053.8✓
Integrations260.092.4✓
Security Posture00.130.0-

Computed . Re-weight it by intent, or see the full method.

All data & sourcesshow ↓

Every value we hold, with its source, retrieval date, and confidence. This is the evidence behind the score: don't trust it, verify it.

Features

AttributeValueEvidence
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}mediumsource · 2026-08-05 · 60%

Integrations

AttributeValueEvidence
Count7mediumsource · 2026-08-05 · 60%

Market

AttributeValueEvidence
Availability{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}highsource · 2026-08-05 · 75%

Pricing

AttributeValueEvidence
Free tierYesmediumsource · 2026-08-05 · 60%
Modelcommercialmediumsource · 2026-08-05 · 70%
Price levellowmediumsource · 2026-08-05 · 60%
Starting gbp0.27mediumsource · 2026-08-05 · 60%
TransparentYesmediumsource · 2026-08-05 · 60%

Reliability

AttributeValueEvidence
Status pageYesmediumsource · 2026-08-05 · 60%