Comparison

Apache Kafka 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.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
Apache Kafka57
★Temporal72
Score
vioscaleAI score
Apache Kafka57 / 100low · 49%
Temporal72 / 100high · 76%
Pricing
Free tier
Apache Kafka✓
Temporal✓
Model
Apache Kafkaopen_source
Temporalfreemium
Price level
Apache Kafkafree
Temporallow
Starting price
Apache Kafka–
Temporal$0.00
Transparent
Apache Kafka–
Temporal✓
Integrations
Count
Apache Kafka4
Temporal3
Reliability
Sla pct
Apache Kafka–
Temporal99.9
Status page
Apache Kafka–
Temporal✓
Adoption
Dependent repos
Apache Kafka1
Temporal30
Github stars
Apache Kafka33,937
Temporal23,468
Package downloads weekly
Apache Kafka3,890,048
Temporal8,455,032
Activity
Commits last 30d
Apache Kafka100
Temporal100
Release
Cadence days
Apache Kafka–
Temporal3
History
Apache Kafka–
Temporal20 items
License
Spdx
Apache KafkaApache-2.0
TemporalMIT
Language
Primary
Apache KafkaJava
TemporalGo
Market
Content
Faq
Apache Kafka6 items
Temporal8 items

Capabilities

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

Core
Messaging paradigm
Apache KafkaPub/sub
TemporalDurable execution
Correctness
Delivery guarantee
Apache KafkaExactly-once
TemporalAt-least-once
Ordering guarantee
Apache KafkaPer-partition
Temporal-
Durability
Durable replayable log
Apache Kafka✓
Temporal✓
Message replay / rewind
Apache Kafka✓
Temporal✓
Interop
Wire protocol
Apache KafkaBinary over TCP (SSL/SASL for authentication/encryption)
TemporalgRPC
Kafka-protocol compatible
Apache Kafka✓
Temporal-
Scale
Partitioned horizontal scaling
Apache Kafka✓
Temporal✓
Geo / cross-region replication
Apache Kafka✓
Temporal✓
Consumption
Consumer groups / competing consumers
Apache Kafka✓
Temporal-
Dead-letter queue
Apache Kafka-
Temporal-
Deployment
Managed cloud offering exists
Apache Kafka✗
Temporal✓
Hosting
Apache KafkaSelf-hosted only
TemporalCloud + self-hosted
Processing
Built-in stream processing
Apache Kafka✓
Temporal-

What each one is

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

Apache Kafka

An open-source system for capturing, storing, and processing continuous data flows at scale. Used to build real-time analytics, data connectors, and mission-critical applications.

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 Kafka

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 Kafka✗
Temporal✓
Linux
Apache Kafka✓
Temporal✗
CLI
Apache Kafka✓
Temporal✓
Deployment
Cloud / SaaS
Apache Kafka✗
Temporal✓
Self-hosted
Apache Kafka✓
Temporal✓
Hybrid
Apache Kafka✗
Temporal✓

Integrations

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

Apache Kafka

4 total
  • Postgres
  • JMS
  • Elasticsearch
  • AWS S3
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 Kafka 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.