ScyllaDB vs CockroachDB: Which is Better in 2026?
Choosing between ScyllaDB and CockroachDB 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: CockroachDB wins this matchup. PostgreSQL is our overall Data & Databases pick. PostgreSQL is our free Data & Databases pick. Pick ScyllaDB 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:
ScyllaDB
High-performance NoSQL database
Best for you if:
- • You want fast Cassandra alternative
CockroachDB
Distributed SQL database built for cloud
Best for you if:
- • You want distributed SQL
| At a Glance | ScyllaDB | CockroachDB |
|---|---|---|
Starts at | Free Free plan | Free Free plan |
Category | Data & Databases Cloud & Infrastructure | Data & Databases Cloud & Infrastructure |
Rating | 3.9/5 PeerSpot 3.9 12 reviews | 4.3/5 G2 4.3 29 reviews |
Free plan | Yes | Yes |
Watch out for | n/a | Request Unit consumption varies dramatically by query complexity. A simple key lookup costs ~1 RU, but a full table scan or complex JOIN can consume thousands of RUs. The 50M free RUs can evaporate quickly with unoptimized queries. |
Choose ScyllaDB or CockroachDB?
Choose ScyllaDB if
- You want fast Cassandra alternative
- You want good performance
Choose CockroachDB if
- You want distributed SQL
- You want PostgreSQL compatible
In-Depth Analysis
ScyllaDB
High-performance NoSQL database
ScyllaDB's pricing is quite fair and generous, especially with a robust open-source option.
Strengths
- Pro: Fast Cassandra alternative
- Pro: Good performance
- Pro: C++ based
- Pro: Active development
- Pro: Good documentation
Weaknesses
- Con: Learning curve
- Con: Cassandra compatibility
- Con: Enterprise features paid
- Con: Operational complexity
- Con: Smaller community
Key features
CockroachDB
Distributed SQL database built for cloud
CockroachDB offers one of the most compelling free tiers in the database market, 50M Request Units and 10 GiB storage per month with scale-to-zero is enough to run a real production app at low traffic for free.
Watch out
Request Unit consumption varies dramatically by query complexity. A simple key lookup costs ~1 RU, but a full table scan or complex JOIN can consume thousands of RUs. The 50M free RUs can evaporate quickly with unoptimized queries.
Strengths
- Pro: Distributed SQL
- Pro: PostgreSQL compatible
- Pro: Multi-region
- Pro: Strong consistency
- Pro: Good scaling
Weaknesses
- Con: Complex operations
- Con: Expensive at scale
- Con: Learning curve
- Con: Latency vs single-node
- Con: Specific use cases
Key features
Pricing: ScyllaDB vs CockroachDB
| Plan | ScyllaDB | CockroachDB |
|---|---|---|
| Tier 1 | Free Open Source | Free Basic |
| Tier 2 | Usage-based Cloud Professional | $0.18 /hour (2 vCPUs) Standard |
| Tier 3 | Custom Cloud Enterprise | $0.6 /hour (4 vCPUs) Advanced |
Pricing verified from each vendor's public pricing page. Compare in detail on ScyllaDB pricing and CockroachDB pricing.
Key Takeaways
CockroachDB
- Larger review base (29 reviews)
- Free tier available
- Our pick for this comparison
ScyllaDB
- Choose if you want high-performance NoSQL database
The Bottom Line
CockroachDB wins this matchup. PostgreSQL is our overall Data & Databases pick. PostgreSQL is our free Data & Databases pick.
Frequently Asked Questions
Is ScyllaDB or CockroachDB better in 2026?
CockroachDB wins this matchup. PostgreSQL is our overall Data & Databases pick. PostgreSQL is our free Data & Databases pick. Pick ScyllaDB for data & databases workflows (main strength: fast Cassandra alternative). Pick CockroachDB for data & databases workflows (main strength: distributed SQL).
What are ScyllaDB and CockroachDB used for?
ScyllaDB: High-performance NoSQL database. CockroachDB: Distributed SQL database built for cloud.
What does ScyllaDB cost vs CockroachDB?
ScyllaDB pricing is on their site. CockroachDB's paid plans start at Free (Standard).
What's the main difference between ScyllaDB and CockroachDB?
ScyllaDB's main strength: fast Cassandra alternative. CockroachDB's main strength: distributed SQL.