# KDB.AI vs Zilliz Cloud

**Leader by Vioscale score:** Zilliz Cloud

| Attribute | KDB.AI | Zilliz Cloud |
|---|---|---|
| **Vioscale score** | 41.9 (24% (low)) | 79.8 (73% (medium)) |
| deployment.options | `{"cloud":true,"self_hosted":true}` | `{"cloud":true}` |
| description.long | A vector database for contextual and time series search that enables building AI apps, finding patterns in data, and mixing structured with unstructured data. | Fully managed Vector Lakebase services designed for high reliability, performance, and cost efficiency at scale. Purpose-built for real-time serving, iterative discovery, and batch analytics at billion-scale. |
| features.capabilities | `{"deployment":"managed","hybrid_search":true,"multi_tenancy":true,"product_class":"dedicated_dbms","full_text_bm25":true,"horizontal_scale":"sharded_distributed","metadata_filtering":"pre_filter"}` | `{"deployment":"managed","serverless":true,"storage_tier":"tiered","hybrid_search":true,"licence_class":"proprietary","multi_tenancy":true,"product_class":"dedicated_dbms","full_text_bm25":true,"horizontal_scale":"sharded_distributed","metadata_filtering":"post_filter"}` |
| integrations.count | 2 | 4 |
| integrations.list | `[{"name":"Hugging Face"},{"name":"NVIDIA cuVS"}]` | `[{"name":"AWS"},{"name":"Google Cloud"},{"name":"Azure"},{"name":"LangChain"}]` |
| market.availability | - | `{"hqCountry":"US","primaryMarkets":["US","GB","CN","SG","DE"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | - | `{"web":true}` |
| pricing | `{"type":"hybrid","plans":[{"free":true,"name":"Free","contactSales":false}],"summary":"Free tier available; enterprise pricing via contact sales","freeTier":true,"sourceUrl":"https://kdb.ai","retrievedAt":"2026-08-03T13:11:39.515Z"}` | `{"type":"subscription","plans":[{"free":true,"name":"Free","features":["Vector search","Up to 5 collections"],"contactSales":false,"includedLimits":{"vCUs":"2.5M/month","storage":"5 GB","collections":"5"}},{"free":false,"name":"Standard","summary":"From $0/month (Serverless) or from $126/GB/month (Dedicated)","features":["Fully managed vector databases with core APIs","Backup and restore","Basic monitoring","Data encryption in transit and at rest"],"components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"},{"per":{"qty":1,"unit":"GB"},"kind":"metered","amount":126,"period":"month","currency":"USD"}],"contactSales":false},{"free":false,"name":"Enterprise","summary":"From $197/month (Dedicated)","features":["99.95% uptime SLA","Audit logs","SSO (SAML 2.0)","Granular RBAC","Multi-replica and elastic scaling","Private endpoint and VPC peering"],"components":[{"kind":"fixed","amount":197,"period":"month","currency":"USD"}],"contactSales":false},{"free":false,"name":"Business Critical","features":["Global cluster with high-level availability","Disaster recovery","CMEK and full-path in-transit encryption","HIPAA-eligible","Rapid incident response"],"contactSales":true},{"free":false,"name":"BYOC","features":["Deploy on your infrastructure of choice","High-level control and security","Same features and experience as SaaS Dedicated clusters"],"contactSales":true}],"addOns":[{"name":"On-demand Compute"}],"summary":"Free tier available. Paid plans start from $197/month (Enterprise Dedicated) or usage-based pricing ($126/GB for Standard Dedicated).","currency":"USD","freeTier":true,"sourceUrl":"https://zilliz.com/pricing/unlimited-calculator","retrievedAt":"2026-08-13T20:46:56.922Z","freeTrialDays":30,"startingPrice":{"amount":0,"period":"month","currency":"USD"},"billingPeriods":["month"]}` |
| pricing.free_tier | yes | yes |
| pricing.model | commercial | freemium |
| pricing.price_level | low | free |
| pricing.transparent | no | yes |
| reliability.sla_pct | - | 99.95 |
| reliability.status_page | - | yes |
| security.disclosure_policy | yes | - |
| security.gdpr | - | yes |
| security.hipaa | - | yes |
| security.iso27001 | - | yes |
| security.soc2 | - | yes |

## Capabilities (Vector Databases)

| Capability | KDB.AI | Zilliz Cloud |
|---|:--:|:--:|
| **Deployment** |  |  |
| Deployment | Managed | Managed |
| Serverless / consumption pricing | - | ✓ |
| **Index** |  |  |
| ANN index (HNSW / IVF / DiskANN / ScaNN / flat) | - | - |
| Distance metrics (cosine / dot / Euclidean) | - | - |
| **Query** |  |  |
| Metadata filtering | Pre-filter | Post-filter |
| Hybrid search (dense + sparse fusion) | ✓ | ✓ |
| Built-in BM25 / lexical | ✓ | ✓ |
| **Storage** |  |  |
| Quantization | - | - |
| On-disk vs in-memory | - | Tiered |
| **Scale** |  |  |
| Multi-tenancy (namespaces / collections / tenants) | ✓ | ✓ |
| Horizontal scale | Sharded / distributed | Sharded / distributed |
| **Consistency** |  |  |
| Consistency | - | - |
| **Licensing** |  |  |
| Licence class | - | Proprietary |
| **Classification** |  |  |
| Purpose-built vs feature-of-parent | Dedicated DBMS | Dedicated DBMS |

*Source: Vioscale. Generated 2026-09-01T17:07:40.714Z. "-" = undocumented, not absent.*