Cassandra vs Redis: Key Differences & When to Use Each

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

Key Differences

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

Feature

Cassandra

Database

Redis

Database

Side-by-side comparison of developer tools
Highly-scalable distributed database
In-memory data structure store
GitHub Stars
⭐ 9,733
⭐ 74,123
Contributors
👥 670
👥 909
Pricing
✓ Free
Enterprise: Contact sales
✓ Free
Enterprise: Contact sales
Languages
Java
C
Features
  • • Cassandra
  • • Database
  • • Java
  • • Cache
  • • Caching
  • • Database
  • • Distributed Systems
  • • In Memory
Integrations
  • • prometheus
  • • redis
Momentum Score
89/100 (stable)
89/100 (stable)
Community Health
57/100 (moderate)
81/100 (good)
Maturity Index
50/100 (emerging)
82/100 (established)
Innovation Score
23/100 (traditional)
91/100 (pioneering)
Risk Score (higher is safer)
53/100 (low)
68/100 (low)
Developer Experience
21/100 (poor)
68/100 (fair)
Links
🌐 Visit Website View on GitHub
🌐 Visit Website View on GitHub

Cassandra Strengths

Redis Strengths

  • ✓ More popular (74,123 stars)
  • ✓ Larger community (909 contributors)
  • ✓ More features (5 listed)

When to Use Cassandra vs Redis

Use Cassandra 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.

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Cassandra vs Elasticsearch → Redis vs Elasticsearch → Cassandra vs ClickHouse → Redis vs ClickHouse → Cassandra vs TiDB → Redis vs TiDB → Cassandra vs CockroachDB → Redis vs CockroachDB → Cassandra vs InfluxDB → Redis vs InfluxDB → Cassandra vs MongoDB → Redis vs MongoDB →

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Data source: GitHub API

Last updated: 5/4/2026