ArangoDB vs CockroachDB: Which is Better in 2026?
Choosing between ArangoDB 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 ArangoDB if you need its specific feature set.
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:
ArangoDB
Multi-model database for graphs, documents, and key-value
Best for you if:
- • You want multi-model database
CockroachDB
Distributed SQL database built for cloud
Best for you if:
- • You want a free tier before you commit
| At a Glance | ArangoDB | CockroachDB |
|---|---|---|
Starts at | $0.2/hour Oasis | Free Free plan |
Category | Data & Databases Managed Databases | Data & Databases Cloud & Infrastructure |
Rating | 4.5/5 G2 4.6 · Capterra 4.0 116 reviews | 4.3/5 G2 4.3 29 reviews |
Free plan | No | 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 ArangoDB or CockroachDB?
Choose ArangoDB if
- You want multi-model database
- You want graph + document + K/V
Choose CockroachDB if
- You want a free tier before you commit
- You want distributed SQL
- You want PostgreSQL compatible
- Budget matters (Free vs $0.2/hour)
In-Depth Analysis
ArangoDB
Multi-model database for graphs, documents, and key-value
ArangoDB's pricing is quite generous, offering a robust Community edition for free and a flexible Oasis managed service starting at $0.20/hour.
Strengths
- Pro: Multi-model database
- Pro: Graph + document + K/V
- Pro: Good performance
- Pro: AQL query language
- Pro: Open source
Weaknesses
- Con: Smaller community
- Con: Learning curve
- Con: Less known
- Con: Documentation gaps
- Con: Ecosystem smaller
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: ArangoDB vs CockroachDB
| Plan | ArangoDB | CockroachDB |
|---|---|---|
| Tier 1 | Community | Free Basic |
| Tier 2 | Custom Enterprise | $0.18 /hour (2 vCPUs) Standard |
| Tier 3 | $0.2 hour Oasis | $0.6 /hour (4 vCPUs) Advanced |
Pricing verified from each vendor's public pricing page. Compare in detail on ArangoDB pricing and CockroachDB pricing.
Key Takeaways
CockroachDB
- Free tier available
- Our pick for this comparison
ArangoDB
- Higher user rating: 4.5/5 vs 4.3/5
- Larger review base (116 reviews)
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 ArangoDB or CockroachDB better in 2026?
CockroachDB wins this matchup. PostgreSQL is our overall Data & Databases pick. PostgreSQL is our free Data & Databases pick. Pick ArangoDB for data & databases workflows (main strength: multi-model database). Pick CockroachDB for data & databases workflows (main strength: distributed SQL).
What are ArangoDB and CockroachDB used for?
ArangoDB: Multi-model database for graphs, documents, and key-value. CockroachDB: Distributed SQL database built for cloud.
What does ArangoDB cost vs CockroachDB?
ArangoDB's paid plans start at $0.2/hour (Oasis). CockroachDB's paid plans start at Free (Standard).
What's the main difference between ArangoDB and CockroachDB?
ArangoDB's main strength: multi-model database. CockroachDB's main strength: distributed SQL.