Apache Kafka vs Redis: Key Differences & When to Use Each

Comprehensive side-by-side comparison of features, pricing, and metrics

Key Differences

Compare Apache Kafka and Redis across features, pricing, integrations, and community metrics. Apache Kafka / Redis.

Feature

Apache Kafka

Messaging

Redis

Database

Side-by-side comparison of developer tools
Distributed streaming platform
In-memory data structure store
GitHub Stars
⭐ 32,505
⭐ 74,123
Contributors
👥 1,675
👥 909
Pricing
✓ Free
Enterprise: Contact sales
✓ Free
Enterprise: Contact sales
Languages
Java
C
Features
  • • Java
  • • Kafka
  • • Scala
  • • Streaming
  • • Cache
  • • Caching
  • • Database
  • • Distributed Systems
  • • In Memory
Integrations
  • • kafka
  • • redis
Momentum Score
89/100 (stable)
89/100 (stable)
Community Health
85/100 (excellent)
81/100 (good)
Maturity Index
82/100 (established)
82/100 (established)
Innovation Score
70/100 (innovative)
91/100 (pioneering)
Risk Score (higher is safer)
82/100 (minimal)
68/100 (low)
Developer Experience
54/100 (needs-improvement)
68/100 (fair)
Links
🌐 Visit Website View on GitHub
🌐 Visit Website View on GitHub

Apache Kafka Strengths

  • ✓ Larger community (1,675 contributors)

Redis Strengths

  • ✓ More popular (74,123 stars)
  • ✓ More features (5 listed)

When to Use Apache Kafka vs Redis

Use Apache Kafka when its strengths align better with your stack and team needs, and choose Redis when its ecosystem, integrations, or cost profile is a better fit.

Related comparisons

Apache Kafka vs NATS → Redis vs Elasticsearch → Apache Kafka vs Apache Pulsar → Redis vs ClickHouse → Apache Kafka vs RabbitMQ → Redis vs TiDB → Apache Kafka vs ZeroMQ → Redis vs CockroachDB → Apache Kafka vs ActiveMQ → Redis vs InfluxDB → Apache Kafka vs Elasticsearch → Redis vs MongoDB →

More Comparisons

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Data source: GitHub API

Last updated: 5/4/2026