Head-to-head · Ai Databases
Zilliz Cloud vs Weaviate
Zilliz Cloud leads on 0 checks, Weaviate on 0, and 3 are even. Who comes out ahead on the 3 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreZilliz Cloud · 8.9/10
- Free planboth
- Free trialonly Zilliz Cloud
Zilliz Cloud scores higher on our rubric for ai databases: 8.9 against 8.7 out of 10; our editors rank them #1 and #3.
Zilliz Cloud is the better fit for teams wanting a managed vector database with a free tier. Weaviate is the better fit for teams needing cloud or self-hosted vector search.
- Zilliz Cloud fits best
Teams wanting a managed vector database with a free tier
- Weaviate fits best
Teams needing cloud or self-hosted vector search
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Side by side
| Feature | Zilliz Cloud 8.9/10 Visit ↗ | Weaviate 8.7/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 8.9 | 8.7 |
| Ranking | #1 in Ai Databases | #3 in Ai Databases |
| Best for | Teams wanting a managed vector database with a free tier | Teams needing cloud or self-hosted vector search |
| Pricing model | Free plan + paid | Free plan + paid |
| Starting price | — | $45/mo |
| Free plan | ✓ | ✓ |
| Free trial | 30 days | — |
| Deployment | Cloud | Cloud, Self-hosted |
| Platforms | Web | Web |
| Support | Docs | Email, Phone, Community, Docs · 24/7 |
| Compliance | SSO/SAML, 2FA, GDPR, HIPAA, SOC 2, ISO 27001 | SOC 2, HIPAA, SSO/SAML |
| Built for | Small business, Mid-market, Enterprise | Small business, Mid-market, Enterprise |
| Features Zilliz Cloud 2/3 · Weaviate 2/3 | ||
| Metadata filtering | ✓ | ✓ |
| Hybrid search | ✓ | ✓ |
| Managed backups | Not checked yet | Not checked yet |
| Specs | ||
| Deployment | Not checked yet | Not checked yet |
| Index types | FLAT, IVF_FLAT, IVF_SQ8, IVF_PQ, HNSW, DISKANN, AUTOINDEX, SCANN, HNSW_SQ, HNSW_PQ, HNSW_PRQ, IVF_RABITQ, SPARSE_INVERTED_INDEX, SPARSE_WAND | HNSW, Flat, Dynamic, HFresh |
| Max vector dimensions | 32768 | Not checked yet |
| Our review | ||
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| Cons |
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| Our verdict | Zilliz Cloud is a managed Milvus-based vector database for teams building AI applications. It serves prototypes, development workloads, and production systems that need vector similarity search, metadata filtering, hybrid retrieval,… Read the review → |
Weaviate is an open-source vector database for developers building semantic search, retrieval-augmented generation, recommendations, and other AI applications. It stores objects with vector embeddings and supports vector similarity,… Read the review → |
Strengths and trade-offs
Zilliz Cloud — where it wins
- Hybrid dense-sparse, BM25, multimodal, and filtered vector search
- Free plan includes 5 GB storage and 2.5 million vCUs monthly
- RBAC, SSO, MFA, private networking, and multiple compliance options
Where it doesn't
- Paid pricing varies by usage, deployment, provider, region, and resources
- Deployment is cloud-only
- Support channels list documentation only
Weaviate — where it wins
- Hybrid vector and BM25 keyword search with metadata filtering
- Cloud and self-hosted deployment with multiple index types
- REST, GraphQL, gRPC APIs and five official client-language options
Where it doesn't
- Free plan is limited to 100,000 objects and 1 GB memory
- Flex starts at $45 per month with a shared cloud cluster
- Premium requires a $400 monthly prepaid contract
- Zilliz Cloud8.9/10 · Free plan · 30-day trial
A managed vector database with hybrid search, enterprise controls, and a free tier.
Visit Zilliz CloudFull verdict → - Weaviate8.7/10 · Free plan
A flexible vector database with hybrid search, multiple APIs, and cloud or self-hosted deployment.
Visit WeaviateFull verdict →
More comparisons
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- Pinecone vs Weaviate
- Weaviate vs Milvus
- Weaviate vs Qdrant
- Weaviate vs Elasticsearch
- Weaviate vs Vertex AI Vector Search
All ai databases comparisons → · Full ranking →
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update







