Neo4j vs Amazon Neptune: Which is Better in 2026?
Choosing between Neo4j and Amazon Neptune 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: Neo4j wins this matchup. MongoDB is our overall Managed Databases pick. MongoDB is our free Managed Databases pick. Pick Amazon Neptune 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:
Neo4j
Native graph database platform
Best for you if:
- • You want a free tier before you commit
Amazon Neptune
Fully managed graph database service on AWS
Best for you if:
- • You want managed graph database
| At a Glance | Neo4j | Amazon Neptune |
|---|---|---|
Starts at | Free Free plan | $0.1/db.r5.large hour On-Demand |
Category | Data & Databases Managed Databases | Data & Databases Cloud & Infrastructure |
Rating | 4.5/5 G2 4.5 133 reviews | 2.4/5 Trustpilot 1.3 · G2 4.4 398 reviews |
Free plan | Yes | No |
Watch out for | Memory sizing is critical: Neo4j performance depends on keeping the working graph in RAM. Undersized instances cause dramatic performance degradation, pushing you to larger (more expensive) instances | Backup storage costs |
Choose Neo4j or Amazon Neptune?
Choose Neo4j if
- You want a free tier before you commit
- You want best graph database
- You want cypher query language
Choose Amazon Neptune if
- You want managed graph database
- You want AWS integrated
- Budget matters ($0.1/db.r5.large hour vs Free)
In-Depth Analysis
Neo4j
Native graph database platform
Neo4j AuraDB Free is a genuine free tier, no credit card, enough to learn Cypher and prototype graph applications.
Watch out
Memory sizing is critical: Neo4j performance depends on keeping the working graph in RAM. Undersized instances cause dramatic performance degradation, pushing you to larger (more expensive) instances
Strengths
- Pro: Best graph database
- Pro: Cypher query language
- Pro: Good visualization
- Pro: ACID compliant
- Pro: Active community
Weaknesses
- Con: Expensive enterprise
- Con: Learning curve
- Con: Not for all use cases
- Con: Memory intensive
- Con: Scaling limits
Key features
Amazon Neptune
Fully managed graph database service on AWS
Amazon Neptune's pricing is fair, especially with the On-Demand tier starting at $0.1 per db.r5.large hour, offering a predictable cost for consistent usage.
Watch out
Backup storage costs
Strengths
- Pro: Managed graph database
- Pro: AWS integrated
- Pro: High availability
- Pro: SPARQL and Gremlin
- Pro: Good for knowledge graphs
Weaknesses
- Con: AWS lock-in
- Con: Expensive
- Con: Learning curve
- Con: Complex pricing
- Con: Limited features vs Neo4j
Key features
Pricing: Neo4j vs Amazon Neptune
| Plan | Neo4j | Amazon Neptune |
|---|---|---|
| Tier 1 | Free Community | $0.1 /db.r5.large hour On-Demand |
| Tier 2 | Free AuraDB Free | Usage-based Serverless |
| Tier 3 | $65 month AuraDB Pro | N/A |
Pricing verified from each vendor's public pricing page. Compare in detail on Neo4j pricing and Amazon Neptune pricing.
Key Takeaways
Neo4j
- Higher user rating: 4.5/5 vs 2.4/5
- Free tier available
- Our pick for this comparison
Amazon Neptune
- Larger review base (398 reviews)
The Bottom Line
Neo4j wins this matchup. MongoDB is our overall Managed Databases pick. MongoDB is our free Managed Databases pick.
Frequently Asked Questions
Is Neo4j or Amazon Neptune better in 2026?
Neo4j wins this matchup. MongoDB is our overall Managed Databases pick. MongoDB is our free Managed Databases pick. Pick Neo4j for data & databases workflows (main strength: best graph database). Pick Amazon Neptune for data & databases workflows (main strength: managed graph database).
What are Neo4j and Amazon Neptune used for?
Neo4j: Native graph database platform. Amazon Neptune: Fully managed graph database service on AWS.
What does Neo4j cost vs Amazon Neptune?
Neo4j's paid plans start at Free (AuraDB Pro). Amazon Neptune's paid plans start at $0.1/db.r5.large hour (On-Demand).
What's the main difference between Neo4j and Amazon Neptune?
Neo4j's main strength: best graph database. Amazon Neptune's main strength: managed graph database.