# Amazon DynamoDB vs ScyllaDB

**Leader by Vioscale score:** Amazon DynamoDB

| Attribute | Amazon DynamoDB | ScyllaDB |
|---|---|---|
| **Vioscale score** | 60.4 (72% (medium)) | 55.1 (51% (medium)) |
| activity.commits_last_30d | - | 100 |
| adoption.github_stars | - | 15,723 |
| deployment.options | `{"cloud":true}` | `{"cloud":true,"self_hosted":true}` |
| description.long | A cloud-native database service that scales instantly to handle any workload size while maintaining millisecond response times, requiring no server provisioning or maintenance, with built-in capabilities for AI applications including native vector search and global multi-region replication. | A NoSQL database engineered for applications requiring extreme performance at scale, delivering single-digit millisecond latency with millions of operations per second, commonly used for AI workloads, feature stores, and vector search. |
| features.capabilities | `{"schema":"schemaless","hosting":"cloud","data_model":"document","consistency":"strong","replication":"active_active","multi_region":true,"partitioning":"automatic","license_class":"proprietary","vector_search":true,"change_streams":true,"query_language":"key_only","secondary_indexes":"yes"}` | `{"schema":"enforced","hosting":"both","data_model":"wide_column","consistency":"tunable","replication":"primary_secondary","multi_region":true,"partitioning":"automatic","vector_search":true,"query_language":"cql","secondary_indexes":"yes"}` |
| integrations.count | 10 | 4 |
| integrations.list | `[{"name":"AWS Lambda"},{"name":"Amazon OpenSearch Service"},{"name":"Amazon SageMaker"},{"name":"Amazon Redshift"},{"name":"Amazon S3 Tables"},{"name":"DynamoDB Accelerator (DAX)"},{"name":"AWS Key Management Service (KMS)"},{"name":"AWS Identity and Access Management (IAM)"},{"name":"AWS CloudWatch"},{"name":"AWS PrivateLink"}]` | `[{"name":"DynamoDB (Alternator API compatibility)"},{"name":"Kubernetes (ScyllaDB Operator)"},{"name":"AWS"},{"name":"GCP"}]` |
| language.primary | - | C++ |
| market.availability | `{"hqCountry":"US","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"hqCountry":"IL","primaryMarkets":["US","EU"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"web":true}` | `{"web":true}` |
| pricing | `{"type":"usage","summary":"Pay-as-you-go model. Free tier available.","currency":"USD","freeTier":true,"sourceUrl":"https://aws.amazon.com/pricing/?nc2=h_pr_pr","retrievedAt":"2026-08-14T11:06:10.784Z","billingPeriods":["month"]}` | `{"type":"subscription","plans":[{"free":false,"name":"Standard","summary":"Industry-leading performance, 2 Hour P1 support","features":["Fully managed on AWS & GCP","High-throughput low-latency","Vector Search","Auto-scaling storage & compute","SOC2, ISO certifications","99.9% uptime SLA","2 Hour P1 Support response"],"description":"Industry-leading performance for data-intensive apps","contactSales":false},{"free":false,"name":"Professional","summary":"Enterprise-grade scalability, 1 Hour P1 support, 24x7","features":["All Standard features","1 Hour P1 Support response","24x7 support","Bring Your Own Account","Multi-region active-active HA/DR","Advanced metrics and logging","Dedicated Slack channel"],"description":"Enterprise-grade scalability & support","contactSales":false},{"free":false,"name":"Premium","summary":"Premium support with 15 minute P1 response, custom deployment","features":["All Professional features","15 minutes P1 Support response","24x7 support","Bring Your Own Encryption Key","Advanced networking (Private Link)","Advanced network compression","Flexible region switching","Dedicated Technical Account Manager"],"description":"Custom security, networking & deployment","contactSales":true}],"summary":"Subscription-based cloud tiers (Standard, Professional, Premium) with usage calculator. Exact pricing not disclosed on public pages.","freeTier":false,"sourceUrl":"https://www.scylladb.com","retrievedAt":"2026-08-05T13:26:38.962Z"}` |
| pricing.free_tier | yes | no |
| pricing.model | freemium | commercial |
| pricing.price_level | low | unknown |
| pricing.transparent | yes | no |
| reliability.sla_pct | 99.999 | 99.9 |
| reliability.status_page | yes | - |
| security.disclosure_policy | yes | yes |
| security.fedramp | yes | - |
| security.gdpr | yes | yes |
| security.hipaa | yes | - |
| security.iso27001 | - | yes |
| security.pci | yes | yes |
| security.soc2 | - | yes |

## Capabilities (NoSQL Databases)

| Capability | Amazon DynamoDB | ScyllaDB |
|---|:--:|:--:|
| **Core** |  |  |
| Data model | Document | Wide-column |
| **Query** |  |  |
| Query language | Key API only | CQL |
| **Consistency** |  |  |
| Consistency | Strong | Tunable |
| **Transactions** |  |  |
| Transactions | - | - |
| **Indexing** |  |  |
| Secondary indexes | Yes | Yes |
| **Scale** |  |  |
| Partitioning / sharding | Automatic | Automatic |
| Multi-region | ✓ | ✓ |
| **Replication** |  |  |
| Replication topology | Active-active | Primary-secondary |
| **Deployment** |  |  |
| Hosting | Cloud only | Cloud + self-hosted |
| **Schema** |  |  |
| Schema | Schemaless | Enforced |
| **Features** |  |  |
| TTL / auto-expiry | - | - |
| Change streams / CDC | ✓ | - |
| Vector / search built-in | ✓ | ✓ |
| **Licensing** |  |  |
| Licence class | Proprietary | - |

*Source: Vioscale. Generated 2026-09-01T15:05:24.020Z. "-" = undocumented, not absent.*