Comparison

Google Cloud Pub/Sub vs Temporal

On the evidence we track, Temporal leads this comparison with a composite score of 71/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Google Cloud Pub/Sub full profile →Temporal full profile →

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Google Cloud Pub/Sub53

★Temporal71

Attribute comparison across 2 tools
Attribute	Google Cloud Pub/Sub	TemporalLeader
Vioscale score	53 / 100low · 49%	71 / 100high · 76%
Pricing
Free tierpricing.free_tier	✓	✓
Modelpricing.model	freemium	commercial
Price levelpricing.price_level	low	low
Transparentpricing.transparent	✗	✓
Integrations
Countintegrations.count	3	2
Security
Disclosure policysecurity.disclosure_policy	-	✓
Gdprsecurity.gdpr	-	✓
Hipaasecurity.hipaa	-	✓
Scorecardsecurity.scorecard	-	5.7
Soc2security.soc2	-	✓
Vulnerabilitiessecurity.vulnerabilities	-	Count: 6 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=go.temporal.io%2Fserver&per_page=100 · Last 12m: 5 · Max severity: MODERATE
Reliability
Sla pctreliability.sla_pct	-	99.9
Status pagereliability.status_page	✓	✓
Adoption
Dependent reposadoption.dependent_repos	-	30
Github starsadoption.github_stars	-	22,544
Package downloads weeklyadoption.package_downloads_weekly	-	7,338,116
Activity
Commits last 30dactivity.commits_last_30d	-	100
Release
Cadence daysrelease.cadence_days	-	4
Historyrelease.history	-	20 items
License
Spdxlicense.spdx	-	MIT
Language
Primarylanguage.primary	-	Go
Market
Availabilitymarket.availability	Available worldwide · Popular in US · HQ US	Available worldwide · Popular in US

Score

Vioscale score

Google Cloud Pub/Sub53 / 100low · 49%

Temporal71 / 100high · 76%

Pricing

Free tier

Google Cloud Pub/Sub✓

Temporal✓

Model

Google Cloud Pub/Subfreemium

Temporalcommercial

Price level

Google Cloud Pub/Sublow

Temporallow

Transparent

Google Cloud Pub/Sub✗

Temporal✓

Integrations

Count

Google Cloud Pub/Sub3

Temporal2

Security

Disclosure policy

Google Cloud Pub/Sub–

Temporal✓

Gdpr

Google Cloud Pub/Sub–

Temporal✓

Hipaa

Google Cloud Pub/Sub–

Temporal✓

Scorecard

Google Cloud Pub/Sub–

Temporal5.7

Soc2

Google Cloud Pub/Sub–

Temporal✓

Vulnerabilities

Google Cloud Pub/Sub–

TemporalCount: 6 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=go.temporal.io%2Fserver&per_page=100 · Last 12m: 5 · Max severity: MODERATE

Reliability

Sla pct

Google Cloud Pub/Sub–

Temporal99.9

Status page

Google Cloud Pub/Sub✓

Temporal✓

Adoption

Dependent repos

Google Cloud Pub/Sub–

Temporal30

Github stars

Google Cloud Pub/Sub–

Temporal22,544

Package downloads weekly

Google Cloud Pub/Sub–

Temporal7,338,116

Activity

Commits last 30d

Google Cloud Pub/Sub–

Temporal100

Release

Cadence days

Google Cloud Pub/Sub–

Temporal4

History

Google Cloud Pub/Sub–

Temporal20 items

License

Spdx

Google Cloud Pub/Sub–

TemporalMIT

Language

Primary

Google Cloud Pub/Sub–

TemporalGo

Market

Availability

Google Cloud Pub/SubAvailable worldwide · Popular in US · HQ US

TemporalAvailable worldwide · Popular in US

Capabilities

Feature-by-feature on the axes that matter for message queues. “-” means undocumented, not absent.

Capability comparison for Message Queues
Capability	Google Cloud Pub/Sub	Temporal
Core
Messaging paradigm	Pub/sub	Durable execution
Correctness
Delivery guarantee	At-least-once	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	Cloud + self-hosted
Processing
Built-in stream processing	✓	-

Core

Messaging paradigm

Google Cloud Pub/SubPub/sub

TemporalDurable execution

Correctness

Delivery guarantee

Google Cloud Pub/SubAt-least-once

TemporalAt-least-once

Ordering guarantee

Google Cloud Pub/SubPer-key

Temporal-

Durability

Durable replayable log

Google Cloud Pub/Sub✓

Temporal✓

Message replay / rewind

Google Cloud Pub/Sub✓

Temporal✓

Interop

Wire protocol

Google Cloud Pub/Sub-

Temporal-

Kafka-protocol compatible

Google Cloud Pub/Sub-

Temporal-

Scale

Partitioned horizontal scaling

Google Cloud Pub/Sub✓

Temporal✓

Geo / cross-region replication

Google Cloud Pub/Sub✓

Temporal✓

Consumption

Consumer groups / competing consumers

Google Cloud Pub/Sub✓

Temporal-

Dead-letter queue

Google Cloud Pub/Sub-

Temporal-

Deployment

Managed cloud offering exists

Google Cloud Pub/Sub✓

Temporal✓

Hosting

Google Cloud Pub/SubCloud only

TemporalCloud + self-hosted

Processing

Built-in stream processing

Google Cloud Pub/Sub✓

Temporal-

What each one is

The product in its own terms, so the numbers below have context.

Google Cloud Pub/Sub

A cloud-based publish/subscribe messaging system that enables applications to ingest and stream event data at scale with guaranteed delivery, automatic scaling, and built-in replay capabilities. Integrates with data warehouses and stream processing pipelines for real-time analytics.

Independently observed

Temporal

Leader

A platform that enables applications to automatically recover from failures by maintaining execution state and resuming operations without manual intervention or data loss.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Google Cloud Pub/Sub

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)
- At-least-once message delivery
- Per-key message ordering
- Pull and push delivery modes
- Cross-zone replication
- Automatic scaling and provisioning
- +1 more

as of 2026-08-05verify ↗

Temporal

Leader

from $0.00/moHybridFree tier90-day trial

Free open-source self-hosted. Cloud from $0.000025 per action. 90-day free trial with $1,000 credits.

Open SourceFree
- Full durable execution capabilities
- Self-hosted deployment
- Community support
Temporal Cloud Pay-as-You-Go$0.00 per action

as of 2026-08-14verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platform and deployment support comparison
Supports	Google Cloud Pub/Sub	Temporal
WebPlatforms	✓	✓
CLIPlatforms	✓	✓
Cloud / SaaSDeployment	✓	✓
Self-hostedDeployment	✗	✓

Platforms

Web

Google Cloud Pub/Sub✓

Temporal✓

CLI

Google Cloud Pub/Sub✓

Temporal✓

Deployment

Cloud / SaaS

Google Cloud Pub/Sub✓

Temporal✓

Self-hosted

Google Cloud Pub/Sub✗

Temporal✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Google Cloud Pub/Sub

3 total

BigQuery
Cloud Storage
Dataflow

Independently observed

Temporal

Leader

2 total

Google ADK
OpenAI Agents SDK

Independently observed

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.