# Weaviate vs Zilliz Cloud

**Leader by vioscaleAI score:** Zilliz Cloud

| Attribute | Weaviate | Zilliz Cloud |
|---|---|---|
| **vioscaleAI score** | 62.5 (75% (high)) | 79.5 (74% (medium)) |
| activity.commits_last_30d | 100 | - |
| adoption.dependent_repos | 15 | - |
| adoption.github_stars | 16,788 | - |
| content.faq | `[{"answer":"Weaviate is an open-source vector database that supports hybrid search, metadata filtering, and scalable deployments. It enables developers to build AI applications with semantic search capabilities. It is indexed under Vector Databases.","source":"https://weaviate.io/blog/weaviate-cloud-pricing-update","question":"What is Weaviate?","confidence":0.6},{"answer":"Weaviate offers a free tier, so you can start without paying. Pricing changes often, so verify at source before relying on it.","source":"https://weaviate.io","question":"Is Weaviate free?","confidence":0.6},{"answer":"Weaviate supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://weaviate.io","question":"What platforms does Weaviate support?","confidence":0.6},{"answer":"Yes. Weaviate can be deployed cloud / SaaS and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://weaviate.io/blog/weaviate-cloud-pricing-update","question":"Can Weaviate be self-hosted?","confidence":0.6},{"answer":"We have independently confirmed SOC 2, HIPAA and GDPR for Weaviate. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Weaviate not holding them. Always confirm compliance directly before you rely on it.","source":"https://weaviate.io","question":"What security certifications does Weaviate have?","confidence":0.48},{"answer":"Yes. Weaviate is published under the BSD-3-Clause licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/weaviate/weaviate","question":"Is Weaviate open source?","confidence":0.95},{"answer":"Weaviate is available worldwide. The vendor is headquartered in the Netherlands.","source":"https://weaviate.io","question":"Where is Weaviate available?","confidence":0.75}]` | `[{"answer":"Zilliz Cloud is a managed cloud service built on the open-source Milvus vector database. It handles storage, indexing, and similarity search at scale for unstructured data, supporting vector search, full-text search, and hybrid retrieval for AI and machine learning workloads. It is indexed under Vector Databases.","source":"https://zilliz.com/pricing/unlimited-calculator","question":"What is Zilliz Cloud?","confidence":0.6},{"answer":"Zilliz Cloud offers a free tier, so you can start without paying. Paid plans are also available: Free, Serverless, Dedicated and BYOC (Bring Your Own Cloud). Pricing changes often, so verify at source before relying on it.","source":"https://zilliz.com/pricing/unlimited-calculator","question":"Is Zilliz Cloud free?","confidence":0.6},{"answer":"Zilliz Cloud supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://zilliz.com/pricing/unlimited-calculator","question":"What platforms does Zilliz Cloud support?","confidence":0.6},{"answer":"Not fully, on what we have confirmed. Zilliz Cloud is offered as cloud / SaaS and hybrid, and a hybrid deployment usually means some components can run on your own infrastructure while the rest stays vendor-hosted. We have not confirmed a completely self-hosted option, so check with the vendor if that is a requirement.","source":"https://zilliz.com/pricing/unlimited-calculator","question":"Can Zilliz Cloud be self-hosted?","confidence":0.6},{"answer":"We have confirmed 19 integrations for Zilliz Cloud, including AWS, Google Cloud, Azure, LangChain, Fivetran, Google Ads, Google Analytics 4 and Google Search Console, plus 11 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://zilliz.com/pricing/unlimited-calculator","question":"What does Zilliz Cloud integrate with?","confidence":0.6},{"answer":"We have independently confirmed SOC 2, ISO 27001, HIPAA and GDPR for Zilliz Cloud. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Zilliz Cloud not holding them. Always confirm compliance directly before you rely on it.","source":"https://zilliz.com/trust-center","question":"What security certifications does Zilliz Cloud have?","confidence":0.7}]` |
| deployment.options | `{"cloud":true,"self_hosted":true}` | `{"cloud":true}` |
| description.long | Weaviate is an open-source vector database that supports hybrid search, metadata filtering, and scalable deployments. It enables developers to build AI applications with semantic search capabilities. | Zilliz Cloud is a managed cloud service built on the open-source Milvus vector database. It handles storage, indexing, and similarity search at scale for unstructured data, supporting vector search, full-text search, and hybrid retrieval for AI and machine learning workloads. |
| features.capabilities | `{"ann_index":"HNSW","deployment":"self_hosted","quantization":"product","hybrid_search":true,"licence_class":"permissive_oss","multi_tenancy":true,"product_class":"dedicated_dbms","full_text_bm25":true,"horizontal_scale":"sharded_distributed"}` | `{"ann_index":"HNSW, IVF, FLAT (brute-force), SCANN, DiskANN","deployment":"managed","serverless":true,"storage_tier":"tiered","hybrid_search":true,"licence_class":"proprietary","multi_tenancy":true,"product_class":"dedicated_dbms","full_text_bm25":true,"distance_metrics":"cosine, Euclidean","horizontal_scale":"sharded_distributed","metadata_filtering":"post_filter"}` |
| integrations.count | 25 | 1,000 |
| integrations.list | - | `[{"name":"AWS"},{"name":"Google Cloud"},{"name":"Azure"},{"name":"LangChain"},{"name":"Fivetran","native":true,"category":"data_integration"},{"name":"Google Ads","native":true,"category":"analytics"},{"name":"Google Analytics 4","native":true,"category":"analytics"},{"name":"Google Search Console","native":true,"category":"analytics"},{"name":"Google Sheets","native":true,"category":"data_integration"},{"name":"Hubspot","native":true,"category":"crm"},{"name":"LinkedIn Ad Analytics","native":true,"category":"analytics"},{"name":"Marketo","native":true,"category":"marketing"},{"name":"Microsoft Advertising","native":true,"category":"advertising"},{"name":"NetSuite SuiteAnalytics","native":true,"category":"erp"},{"name":"Oracle Fusion Cloud Applications","native":true,"category":"erp"},{"name":"Apache SeaTunnel","native":true,"category":"data_streaming"},{"name":"PostgreSQL/Pgvector","native":false,"category":"database"},{"name":"PyMilvus","native":true,"category":"sdk"},{"name":"Claude","native":false,"category":"ai_assistant","direction":"bidirectional"},{"name":"Prometheus","native":true,"category":"monitoring","direction":"outbound"},{"name":"HoneyHive","native":true,"category":"observability","direction":"bidirectional"},{"name":"Cohere","native":true,"category":"embeddings","direction":"bidirectional"},{"name":"Haystack","native":true,"category":"framework","direction":"bidirectional"},{"name":"FiftyOne","native":true,"category":"computer_vision","direction":"bidirectional"},{"name":"DSPy","native":true,"category":"llm","direction":"bidirectional"},{"name":"Voyage AI","native":true,"category":"embeddings","direction":"bidirectional"},{"name":"Jina AI","native":true,"category":"embeddings","direction":"bidirectional"},{"name":"n8n","native":true,"category":"automation","direction":"bidirectional"},{"name":"DocsGPT","native":true,"category":"documentation","direction":"bidirectional"},{"name":"vLLM","native":true,"category":"llm","direction":"bidirectional"},{"name":"Langflow","native":true,"category":"framework","direction":"bidirectional"},{"name":"Vanna","native":true,"category":"sql","direction":"bidirectional"}]` |
| language.primary | Go | - |
| license.spdx | BSD-3-Clause | - |
| market.availability | `{"hqCountry":"NL","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"web":true}` | `{"cli":true,"web":true}` |
| pricing | `{"type":"hybrid","freeTier":true,"sourceUrl":"https://weaviate.io","retrievedAt":"2026-08-05T13:28:29.566Z"}` | `{"type":"hybrid","plans":[{"free":true,"name":"Free","summary":"$0/month, 5 GB storage, 5 collections","features":["Community support via Slack","Vector search","Filtered search","Range search"],"components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"}],"description":"Community tier with limited resources for non-production use","contactSales":false,"includedLimits":{"storage":"5 GB/month","collections":"5"}},{"free":false,"name":"Serverless","summary":"Pay-per-query pricing, system-managed auto-scaling","features":["Fully managed vector databases","Backup and restore","Basic monitoring","Built-in encryption for data in transit and at rest","Vector search","Hybrid search","Full text search"],"description":"Usage-based pricing for variable workloads with automatic scaling","contactSales":false},{"free":false,"name":"Dedicated","summary":"From $197/month base, plus $0.126/GB storage, dedicated infrastructure","features":["99.95% uptime SLA","SSO (SAML 2.0)","Granular RBAC","Multi-replica and elastic scaling","Global cluster with disaster recovery","Advanced security: CMEK and full-path in-transit encryption","HIPAA-eligible","Audit logs","Cross-region backup","Continuous data protection","All search types","MFA","API key management","Fine-grained metrics with real-time monitoring"],"commitment":"monthly","components":[{"kind":"fixed","amount":197,"period":"month","currency":"USD"},{"per":{"qty":1,"unit":"GB"},"kind":"metered","amount":0.126,"currency":"USD"}],"description":"Reserved, isolated environments for production workloads with guaranteed performance","contactSales":false},{"free":false,"name":"BYOC","description":"Bring Your Own Cloud deployment with custom infrastructure and compliance requirements","contactSales":true}],"summary":"Free tier with 5 GB storage. Serverless pricing from $0/month pay-per-query. Dedicated clusters from $197/month. Annual commitments available.","currency":"USD","freeTier":true,"sourceUrl":"https://zilliz.com/pricing","retrievedAt":"2026-09-18T12:32:51.755Z","freeTrialDays":30,"startingPrice":{"amount":197,"period":"month","currency":"USD"},"billingPeriods":["month","year"]}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | freemium |
| pricing.price_level | low | high |
| pricing.starting_price | - | `{"amount":197,"currency":"USD"}` |
| pricing.transparent | no | yes |
| release.cadence_days | 1 | - |
| release.history | `[{"url":"https://github.com/weaviate/weaviate/releases/tag/v1.38.14","date":"2026-09-07T12:19:29Z","type":"stable","version":"v1.38.14"},{"url":"https://github.com/weaviate/weaviate/releases/tag/v1.37.16","date":"2026-09-07T12:56:10Z","type":"stable","version":"v1.37.16"},{"url":"https://github.com/weaviate/weaviate/releases/tag/v1.38.13","date":"2026-08-27T10:13:43Z","type":"stable","version":"v1.38.13"},{"url":"https://github.com/weaviate/weaviate/releases/tag/v1.37.15","date":"2026-08-27T06:41:32Z","type":"stable","version":"v1.37.15"},{"url":"https://github.com/weaviate/weaviate/releases/tag/v1.39.2","date":"2026-08-26T17:21:38Z","type":"stable","version":"v1.39.2"},{"url":"https://github.com/weaviate/weaviate/releases/tag/v1.38.12","date":"2026-08-25T12:21:22Z","type":"stable","version":"v1.38.12"},{"url":"https://github.com/weaviate/weaviate/releases/tag/v1.39.1","date":"2026-08-25T08:35:33Z","type":"stable","version":"v1.39.1"},{"url":"https://github.com/weaviate/weaviate/releases/tag/v1.38.11","date":"2026-08-20T12:55:59Z","type":"stable","version":"v1.38.11"},{"url":"https://github.com/weaviate/weaviate/releases/tag/v1.38.10","date":"2026-08-18T07:42:19Z","type":"stable","version":"v1.38.10"},{"url":"https://github.com/weaviate/weaviate/releases/tag/v1.38.9","date":"2026-08-06T13:57:10Z","type":"stable","version":"v1.38.9"},{"url":"https://github.com/weaviate/weaviate/releases/tag/v1.39.0","date":"2026-08-04T11:42:14Z","type":"stable","version":"v1.39.0"},{"url":"https://github.com/weaviate/weaviate/releases/tag/v1.38.8","date":"2026-07-29T16:57:51Z","type":"stable","version":"v1.38.8"},{"url":"https://github.com/weaviate/weaviate/releases/tag/v1.39.0-rc.1","date":"2026-07-29T08:46:24Z","type":"prerelease","version":"v1.39.0-rc.1"},{"url":"https://github.com/weaviate/weaviate/releases/tag/v1.38.7","date":"2026-07-27T14:39:51Z","type":"stable","version":"v1.38.7"},{"url":"https://github.com/weaviate/weaviate/releases/tag/v1.37.14","date":"2026-07-27T14:38:00Z","type":"stable","version":"v1.37.14"},{"url":"https://github.com/weaviate/weaviate/releases/tag/v1.39.0-rc.0","date":"2026-07-23T07:48:02Z","type":"prerelease","version":"v1.39.0-rc.0"},{"url":"https://github.com/weaviate/weaviate/releases/tag/v1.38.6","date":"2026-07-21T07:01:35Z","type":"stable","version":"v1.38.6"},{"url":"https://github.com/weaviate/weaviate/releases/tag/v1.36.23","date":"2026-07-20T08:00:41Z","type":"stable","version":"v1.36.23"},{"url":"https://github.com/weaviate/weaviate/releases/tag/v1.38.5","date":"2026-07-16T18:45:15Z","type":"stable","version":"v1.38.5"},{"url":"https://github.com/weaviate/weaviate/releases/tag/v1.37.13","date":"2026-07-17T07:15:24Z","type":"stable","version":"v1.37.13"}]` | - |
| reliability.sla_pct | 99.95 | 99.95 |
| reliability.status_page | yes | yes |
| security.certifications | - | `[{"name":"SOC 2 Type II","level":"Type II","status":"active"},{"name":"ISO/IEC 27001","status":"active"}]` |
| security.disclosure_policy | yes | - |
| security.gdpr | yes | yes |
| security.hipaa | yes | yes |
| security.iso27001 | - | yes |
| security.scorecard | 6.7 | - |
| security.soc2 | yes | yes |
| security.trust_center | https://weaviate.io/blog/tags/security | https://zilliz.com/trust-center |
| security.vulnerabilities | `{"count":5,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fweaviate%2Fweaviate&per_page=100","last_12m":3,"max_severity":"HIGH"}` | - |

## Capabilities (Vector Databases)

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

*Source: vioscaleAI. Generated 2026-09-21T03:46:40.004Z. "-" = undocumented, not absent.*