vioscaleAI
Comparison

Weaviate vs Zilliz Cloud

On the evidence we track, Zilliz Cloud leads this comparison with a composite score of 80/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Weaviate full profile →Zilliz Cloud full profile →
Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
Weaviate63
★Zilliz Cloud80
Score
vioscaleAI score
Weaviate63 / 100medium · 73%
Zilliz Cloud80 / 100medium · 74%
Pricing
Free tier
Weaviate✓
Zilliz Cloud✓
Model
Weaviatefreemium
Zilliz Cloudfreemium
Price level
Weaviatelow
Zilliz Cloudhigh
Starting price
Weaviate–
Zilliz Cloud$197
Transparent
Weaviate✗
Zilliz Cloud✓
Integrations
Count
Weaviate25
Zilliz Cloud1,000
Security
Certifications
Weaviate–
Zilliz CloudSOC 2 Type II, ISO/IEC 27001
Disclosure policy
Weaviate✓
Zilliz Cloud–
Gdpr
Weaviate✓
Zilliz Cloud✓
Hipaa
Weaviate✓
Zilliz Cloud✓
Iso27001
Weaviate–
Zilliz Cloud✓
Scorecard
Weaviate6.7
Zilliz Cloud–
Soc2
Weaviate✓
Zilliz Cloud✓
Trust center
Vulnerabilities
Reliability
Sla pct
Weaviate99.95
Zilliz Cloud99.95
Status page
Weaviate✓
Zilliz Cloud✓
Adoption
Dependent repos
Weaviate15
Zilliz Cloud–
Github stars
Weaviate16,862
Zilliz Cloud–
Activity
Commits last 30d
Weaviate100
Zilliz Cloud–
Release
Cadence days
Weaviate1
Zilliz Cloud–
History
Weaviate20 items
Zilliz Cloud–
License
Spdx
WeaviateBSD-3-Clause
Zilliz Cloud–
Language
Primary
WeaviateGo
Zilliz Cloud–
Market
Availability
Content
Faq
Weaviate7 items
Zilliz Cloud6 items

Capabilities

Feature-by-feature on the axes that matter for vector databases. “-” means undocumented, not absent.

Deployment
Deployment
WeaviateSelf-hosted
Zilliz CloudManaged
Serverless / consumption pricing
Weaviate-
Zilliz Cloud✓
Index
ANN index (HNSW / IVF / DiskANN / ScaNN / flat)
WeaviateHNSW
Zilliz CloudHNSW, IVF, FLAT (brute-force), SCANN, DiskANN
Distance metrics (cosine / dot / Euclidean)
Weaviate-
Zilliz Cloudcosine, Euclidean
Query
Metadata filtering
Weaviate-
Zilliz CloudPost-filter
Hybrid search (dense + sparse fusion)
Weaviate✓
Zilliz Cloud✓
Built-in BM25 / lexical
Weaviate✓
Zilliz Cloud✓
Storage
Quantization
WeaviateProduct
Zilliz Cloud-
On-disk vs in-memory
Weaviate-
Zilliz CloudTiered
Scale
Multi-tenancy (namespaces / collections / tenants)
Weaviate✓
Zilliz Cloud✓
Horizontal scale
WeaviateSharded / distributed
Zilliz CloudSharded / distributed
Consistency
Consistency
WeaviateTunable
Zilliz Cloud-
Licensing
Licence class
WeaviatePermissive OSS
Zilliz CloudProprietary
Classification
Purpose-built vs feature-of-parent
WeaviateDedicated DBMS
Zilliz CloudDedicated DBMS

What each one is

The product in its own terms, so the numbers below have context.

Weaviate

A vector database that enables semantic search by storing both objects and vectors, with built-in support for combining vector similarity search with traditional keyword search, retrieval-augmented generation, and reranking capabilities.

Independently observed

Zilliz Cloud

Leader

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.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Weaviate

HybridFree tier
as of verify ↗

Zilliz Cloud

Leader
from $197/moHybridFree tier30-day trial

Free tier with 5 GB storage. Serverless pricing from $0/month pay-per-query. Dedicated clusters from $197/month. Annual commitments available.

  • FreeFree
    • Community support via Slack
    • Vector search
    • Filtered search
    • Range search
  • ServerlessPay-per-query pricing, system-managed auto-scaling
    • Fully managed vector databases
    • Backup and restore
    • Basic monitoring
    • Built-in encryption for data in transit and at rest
    • Vector search
    • +2 more
  • DedicatedFrom $197/month base, plus $0.126/GB storage, dedicated infrastructure
    • 99.95% uptime SLA
    • SSO (SAML 2.0)
    • Granular RBAC
    • Multi-replica and elastic scaling
    • Global cluster with disaster recovery
    • +9 more
  • BYOCContact sales
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
Weaviate✓
Zilliz Cloud✓
CLI
Weaviate✗
Zilliz Cloud✓
Deployment
Cloud / SaaS
Weaviate✓
Zilliz Cloud✓
Self-hosted
Weaviate✓
Zilliz Cloud✗

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Weaviate

Not documented yet.

Zilliz Cloud

Leader
32 total
  • AWS
  • Google Cloud
  • Azure
  • LangChain
  • Fivetran
  • Google Ads
  • Google Analytics 4
  • Google Search Console
  • Google Sheets
  • Hubspot
  • LinkedIn Ad Analytics
  • Marketo
  • Microsoft Advertising
  • NetSuite SuiteAnalytics
  • Oracle Fusion Cloud Applications
  • Apache SeaTunnel
  • PostgreSQL/Pgvector
  • PyMilvus
  • Claude
  • Prometheus
  • HoneyHive
  • Cohere
  • Haystack
  • FiftyOne
  • +8 more
Independently observed
Still deciding?

Weaviate or Zilliz Cloud: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.