# Amazon Aurora vs Firebird

**Leader by Vioscale score:** Amazon Aurora

| Attribute | Amazon Aurora | Firebird |
|---|---|---|
| **Vioscale score** | 50.2 (48% (low)) | 28.3 (10% (low)) |
| deployment.options | `{"cloud":true}` | `{"on_prem":true,"self_hosted":true}` |
| description.long | Aurora is a serverless, relational database service offering zero infrastructure management and instant scaling. It provides 6x the throughput of standard PostgreSQL and MySQL while maintaining full compatibility with both. | An open source relational database management system that scales from embedded, single-user deployments to enterprise applications with hundreds of simultaneous clients and databases up to 20 terabytes. |
| features.capabilities | `{"sql_model":"full_sql","deployment":"serverless","serverless":true,"consistency":"strong","license_class":"proprietary","horizontal_scale":"distributed_native","acid_transactions":"full","automatic_failover":true,"wire_compatibility":"postgres"}` | `{"sql_model":"full_sql","extensibility":true,"license_class":"permissive"}` |
| integrations.count | - | 8 |
| integrations.list | - | `[{"name":"Firebird.NET"},{"name":"JayBird"},{"name":"Delphi"},{"name":"FreePascal"},{"name":"Lazarus"},{"name":"PHP"},{"name":"FireRuby"},{"name":"Sphinx"}]` |
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"web":true}` | `{"cli":true,"mac":true,"linux":true,"windows":true}` |
| pricing | - | `{"type":"open_source","addOns":[{"name":"Enterprise subscription (IBSurgeon)","components":[{"kind":"per_unit","unit":"server","amount":199,"period":"month","currency":"EUR"}]},{"name":"Configuration/Optimization/Audit Incident Service (IBSurgeon)","components":[{"kind":"one_time","amount":575,"currency":"EUR"}]},{"name":"Recovery service for heavily corrupted database (IBSurgeon)","components":[{"kind":"one_time","amount":2500,"currency":"EUR"}]}],"summary":"Free open source database. Optional commercial support services from €199/month/server (enterprise subscriptions) or one-time incident services (€575–€2500).","currency":"EUR","freeTier":true,"sourceUrl":"https://firebirdsql.org","retrievedAt":"2026-08-13T17:05:47.669Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | open_source |
| pricing.price_level | - | free |
| pricing.transparent | - | yes |
| reliability.sla_pct | 99.999 | - |
| reliability.status_page | yes | - |
| security.disclosure_policy | yes | - |
| security.fedramp | yes | - |
| security.gdpr | yes | - |
| security.hipaa | yes | - |
| security.pci | yes | - |

## Capabilities (Relational Databases)

| Capability | Amazon Aurora | Firebird |
|---|:--:|:--:|
| **Core** |  |  |
| SQL model | Full SQL | Full SQL |
| **Transactions** |  |  |
| ACID transactions | Full | - |
| Highest isolation level | - | - |
| **Consistency** |  |  |
| Consistency | Strong | - |
| **Scale** |  |  |
| Horizontal scale | Natively distributed | - |
| **Replication** |  |  |
| Replication | - | - |
| **Availability** |  |  |
| Automatic failover / HA | ✓ | - |
| **Deployment** |  |  |
| Deployment | Serverless | - |
| Serverless / scale-to-zero | ✓ | - |
| **Compatibility** |  |  |
| Wire compatibility | Postgres protocol | - |
| **Extensibility** |  |  |
| Extensions / plugins / UDFs | - | ✓ |
| **Licensing** |  |  |
| Licence class | Proprietary | Permissive OSS |
| **Data types** |  |  |
| JSON / document support | - | - |
| Geo / spatial | - | - |

*Source: Vioscale. Generated 2026-09-01T17:37:52.423Z. "-" = undocumented, not absent.*