CrateDB vs Redis: Which is Better in 2026?
Choosing between CrateDB and Redis comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Bottom line: Redis wins this matchup. PostgreSQL is our overall Data & Databases pick. PostgreSQL is our free Data & Databases pick. Pick CrateDB if you need a free tier to start with.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
CrateDB
Real-time analytics database for instant insights from any data, at any scale, with SQL.
Best for you if:
- • You want distributed SQL database
Redis
Managed in-memory database for real-time data across clouds
Best for you if:
- • You want lightning fast
| At a Glance | CrateDB | Redis |
|---|---|---|
Starts at | Free Free plan | Free Free plan |
Category | Data & Databases Analytics | Data & Databases Cloud & Infrastructure |
Rating | 4.4/5 G2 4.4 85 reviews | 4.5/5 G2 4.5 136 reviews |
Free plan | Yes | Yes |
Watch out for | Overage charges for exceeding resource limits | Essentials minimum is $5/month but scales by RAM+storage, a 10 GB instance costs significantly more than the starting price suggests |
Choose CrateDB or Redis?
Choose CrateDB if
- You want distributed SQL database
- You want time-series optimized
- Budget matters (Free vs Free)
Choose Redis if
- You want lightning fast
- You want versatile data types
In-Depth Analysis
CrateDB
Real-time analytics database for instant insights from any data, at any scale, with SQL.
CrateDB offers a generous Free tier and a very flexible Shared tier starting at $0.073 per hour, making it accessible for development and non-critical workloads.
Watch out
Overage charges for exceeding resource limits
Strengths
- Pro: Distributed SQL database
- Pro: Time-series optimized
- Pro: Good performance
- Pro: Full-text search
- Pro: Open source
Weaknesses
- Con: Smaller community
- Con: Learning curve
- Con: Limited ecosystem
- Con: Documentation gaps
- Con: Less known
Key features
Redis
Managed in-memory database for real-time data across clouds
Redis Cloud pricing is straightforward at the low end, Free (30 MB) and Essentials (from $5/month) cover most development and small production workloads.
Watch out
Essentials minimum is $5/month but scales by RAM+storage, a 10 GB instance costs significantly more than the starting price suggests
Strengths
- Pro: Lightning fast
- Pro: Versatile data types
- Pro: Simple to use
Weaknesses
- Con: Memory limits
- Con: Persistence complexity
Key features
Pricing: CrateDB vs Redis
| Plan | CrateDB | Redis |
|---|---|---|
| Tier 1 | Free Free | Free Free |
| Tier 2 | $0.073 /hour Shared | $5 Flex |
| Tier 3 | $0.246 /hour Dedicated | $5 Essentials |
| Tier 4 | custom Custom | $200 Pro |
Pricing verified from each vendor's public pricing page. Compare in detail on CrateDB pricing and Redis pricing.
Key Takeaways
Redis
- Higher user rating: 4.5/5 vs 4.4/5
- Larger review base (136 reviews)
- Free tier available
- Our pick for this comparison
CrateDB
- Choose if you want real-time analytics database for instant insights from any data, at any scale, with SQL
The Bottom Line
Redis wins this matchup. PostgreSQL is our overall Data & Databases pick. PostgreSQL is our free Data & Databases pick.
Frequently Asked Questions
Is CrateDB or Redis better in 2026?
Redis wins this matchup. PostgreSQL is our overall Data & Databases pick. PostgreSQL is our free Data & Databases pick. Pick CrateDB for data & databases workflows (main strength: distributed SQL database). Pick Redis for data & databases workflows (main strength: lightning fast).
What are CrateDB and Redis used for?
CrateDB: Real-time analytics database for instant insights from any data, at any scale, with SQL. Redis: Managed in-memory database for real-time data across clouds.
What does CrateDB cost vs Redis?
CrateDB's paid plans start at Free (Shared). Redis's paid plans start at Free (Flex).
What's the main difference between CrateDB and Redis?
CrateDB's main strength: distributed SQL database. Redis's main strength: lightning fast.