vioscaleAI
Comparison

NucliaDB 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.

NucliaDB full profile →Zilliz Cloud full profile →
Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
NucliaDB56
★Zilliz Cloud80
Score
vioscaleAI score
NucliaDB56 / 100medium · 51%
Zilliz Cloud80 / 100medium · 74%
Pricing
Free tier
NucliaDB✓
Zilliz Cloud✓
Model
NucliaDBcommercial
Zilliz Cloudfreemium
Price level
NucliaDBhigh
Zilliz Cloudhigh
Starting price
NucliaDB–
Zilliz Cloud$197
Transparent
NucliaDB✓
Zilliz Cloud✓
Integrations
Count
NucliaDB1
Zilliz Cloud1,000
Security
Certifications
NucliaDB–
Zilliz CloudSOC 2 Type II, ISO/IEC 27001
Gdpr
NucliaDB✓
Zilliz Cloud✓
Hipaa
NucliaDB–
Zilliz Cloud✓
Iso27001
NucliaDB✓
Zilliz Cloud✓
Soc2
NucliaDB✓
Zilliz Cloud✓
Trust center
NucliaDB–
Zilliz Cloudhttps://zilliz.com/trust-center
Reliability
Sla pct
NucliaDB–
Zilliz Cloud99.95
Status page
NucliaDB–
Zilliz Cloud✓
Market
Availability
NucliaDB–
Zilliz CloudAvailable worldwide
Content
Faq
NucliaDB5 items
Zilliz Cloud6 items

Capabilities

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

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

What each one is

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

NucliaDB

Progress Agentic RAG is a RAG-as-a-Service platform providing a centralized agentic knowledge layer for building AI experiences with enterprise-scale governance, compliance, and multi-agent 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.

NucliaDB

from $700/moSubscriptionFree tier14-day trial

From $700/month. 14-day free trial available.

  • Starter$700/month
    • RAG
    • Q&A
    • Community support
  • Pro$1,925/month
    • RAG
    • Q&A
    • AI classification
    • Generative search
    • AI Assistant
    • +2 more
  • EnterpriseContact sales
    • RAG
    • Q&A
    • AI classification
    • Generative search
    • AI Assistant
    • +4 more
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
NucliaDB✓
Zilliz Cloud✓
CLI
NucliaDB✗
Zilliz Cloud✓
Deployment
Cloud / SaaS
NucliaDB✓
Zilliz Cloud✓
Hybrid
NucliaDB✓
Zilliz Cloud✗

Integrations

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

NucliaDB

1 total
  • AWS Marketplace
Independently observed

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?

NucliaDB 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.