vioscaleAI
Comparison

Apache Pulsar vs Temporal

On the evidence we track, Temporal leads this comparison with a composite score of 72/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Apache Pulsar full profile →Temporal full profile →
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Apache Pulsar60
★Temporal72
Score
vioscaleAI score
Apache Pulsar60 / 100low · 38%
Temporal72 / 100high · 76%
Pricing
Free tier
Apache Pulsar✓
Temporal✓
Model
Apache Pulsaropen_source
Temporalfreemium
Price level
Apache Pulsarfree
Temporallow
Starting price
Apache Pulsar–
Temporal$0.00
Transparent
Apache Pulsar–
Temporal✓
Integrations
Count
Apache Pulsar35
Temporal3
Security
Disclosure policy
Apache Pulsar–
Temporal✓
Gdpr
Apache Pulsar–
Temporal✓
Hipaa
Apache Pulsar–
Temporal✓
Scorecard
Apache Pulsar7.1
Temporal5.7
Soc2
Apache Pulsar–
Temporal✓
Trust center
Vulnerabilities
Reliability
Sla pct
Apache Pulsar–
Temporal99.9
Status page
Apache Pulsar–
Temporal✓
Adoption
Dependent repos
Apache Pulsar316
Temporal30
Github stars
Apache Pulsar15,343
Temporal23,468
Package downloads weekly
Apache Pulsar–
Temporal8,455,032
Activity
Commits last 30d
Apache Pulsar100
Temporal100
Release
Cadence days
Apache Pulsar3
Temporal3
History
Apache Pulsar20 items
Temporal20 items
License
Spdx
Apache PulsarApache-2.0
TemporalMIT
Language
Primary
Apache PulsarJava
TemporalGo
Market
Availability
Apache Pulsar–
TemporalAvailable worldwide · Popular in US
Content
Faq
Apache Pulsar6 items
Temporal8 items

Capabilities

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

Core
Messaging paradigm
Apache PulsarPub/sub
TemporalDurable execution
Correctness
Delivery guarantee
Apache PulsarExactly-once
TemporalAt-least-once
Ordering guarantee
Apache PulsarPer-partition
Temporal-
Durability
Durable replayable log
Apache Pulsar✓
Temporal✓
Message replay / rewind
Apache Pulsar✓
Temporal✓
Interop
Wire protocol
Apache Pulsarpulsar://
TemporalgRPC
Kafka-protocol compatible
Apache Pulsar✓
Temporal-
Scale
Partitioned horizontal scaling
Apache Pulsar✓
Temporal✓
Geo / cross-region replication
Apache Pulsar✓
Temporal✓
Consumption
Consumer groups / competing consumers
Apache Pulsar✓
Temporal-
Dead-letter queue
Apache Pulsar-
Temporal-
Deployment
Managed cloud offering exists
Apache Pulsar-
Temporal✓
Hosting
Apache PulsarCloud + self-hosted
TemporalCloud + self-hosted
Processing
Built-in stream processing
Apache Pulsar✓
Temporal-

What each one is

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

Apache Pulsar

A message broker supporting both pub-sub and queue-based messaging patterns. It provides durable storage with strong ordering guarantees, horizontally scales to millions of topics and messages per second, and supports geo-replication for distributed deployments.

Independently observed

Temporal

Leader

A durable execution platform that simplifies building resilient distributed systems by automatically managing workflow state, retries, and recovery. It eliminates the need for custom failure handling, reconciliation logic, and infrastructure like message queues or schedulers.

Independently observed

Pricing

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

Apache Pulsar

Open source
as of verify ↗

Temporal

Leader
from $0.00/actionUsage-basedFree tier90-day trial

From $0.000025 per action with $0/mo minimum. Free trial available.

  • Paygo with Developer Support$0/mo minimum, $0.000025 per action
as of verify ↗

Platform & deployment

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

Platforms
Web
Apache Pulsar✓
Temporal✓
macOS
Apache Pulsar✓
Temporal✗
Windows
Apache Pulsar✓
Temporal✗
Linux
Apache Pulsar✓
Temporal✗
CLI
Apache Pulsar✓
Temporal✓
Deployment
Cloud / SaaS
Apache Pulsar✓
Temporal✓
Self-hosted
Apache Pulsar✓
Temporal✓
Hybrid
Apache Pulsar✗
Temporal✓

Integrations

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

Apache Pulsar

31 total
  • Kafka
  • RabbitMQ
  • MongoDB
  • Cassandra
  • Elasticsearch
  • HBase
  • HDFS
  • InfluxDB
  • Redis
  • Solr
  • DynamoDB
  • Kinesis
  • Azure Data Explorer
  • ClickHouse
  • PostgreSQL
  • MariaDB
  • SQLite
  • Debezium MySQL
  • Debezium PostgreSQL
  • Debezium MongoDB
  • Debezium Oracle
  • Debezium Microsoft SQL Server
  • Canal
  • Aerospike
  • +7 more
Independently observed

Temporal

Leader
7 total
  • Google ADK
  • OpenAI Agents SDK
  • AWS Lambda
  • AWS RDS
  • GCP Cloud SQL
  • Vercel's AI SDK
  • Google Agent Development Kit (ADK)
Independently observed
Still deciding?

Apache Pulsar or Temporal: 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.