Comparison

KDB.AI 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.

KDB.AI full profile →Zilliz Cloud full profile →

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KDB.AI42

★Zilliz Cloud80

Attribute comparison across 2 tools
Attribute	KDB.AI	Zilliz CloudLeader
Vioscale score	42 / 100low · 24%	80 / 100medium · 73%
Pricing
Free tierpricing.free_tier	✓	✓
Modelpricing.model	commercial	freemium
Price levelpricing.price_level	low	free
Transparentpricing.transparent	✗	✓
Integrations
Countintegrations.count	2	4
Security
Disclosure policysecurity.disclosure_policy	✓	-
Gdprsecurity.gdpr	-	✓
Hipaasecurity.hipaa	-	✓
Iso27001security.iso27001	-	✓
Soc2security.soc2	-	✓
Reliability
Sla pctreliability.sla_pct	-	99.95
Status pagereliability.status_page	-	✓
Market
Availabilitymarket.availability	-	Available worldwide · Popular in US, GB, CN, SG, DE · HQ US

Score

Vioscale score

KDB.AI42 / 100low · 24%

Zilliz Cloud80 / 100medium · 73%

Pricing

Free tier

KDB.AI✓

Zilliz Cloud✓

Model

KDB.AIcommercial

Zilliz Cloudfreemium

Price level

KDB.AIlow

Zilliz Cloudfree

Transparent

KDB.AI✗

Zilliz Cloud✓

Integrations

Count

KDB.AI2

Zilliz Cloud4

Security

Disclosure policy

KDB.AI✓

Zilliz Cloud–

Gdpr

KDB.AI–

Zilliz Cloud✓

Hipaa

KDB.AI–

Zilliz Cloud✓

Iso27001

KDB.AI–

Zilliz Cloud✓

Soc2

KDB.AI–

Zilliz Cloud✓

Reliability

Sla pct

KDB.AI–

Zilliz Cloud99.95

Status page

KDB.AI–

Zilliz Cloud✓

Market

Availability

KDB.AI–

Zilliz CloudAvailable worldwide · Popular in US, GB, CN, SG, DE · HQ US

Capabilities

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

Capability comparison for 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

Deployment

KDB.AIManaged

Zilliz CloudManaged

Serverless / consumption pricing

KDB.AI-

Zilliz Cloud✓

Index

ANN index (HNSW / IVF / DiskANN / ScaNN / flat)

KDB.AI-

Zilliz Cloud-

Distance metrics (cosine / dot / Euclidean)

KDB.AI-

Zilliz Cloud-

Query

Metadata filtering

KDB.AIPre-filter

Zilliz CloudPost-filter

Hybrid search (dense + sparse fusion)

KDB.AI✓

Zilliz Cloud✓

Built-in BM25 / lexical

KDB.AI✓

Zilliz Cloud✓

Storage

Quantization

KDB.AI-

Zilliz Cloud-

On-disk vs in-memory

KDB.AI-

Zilliz CloudTiered

Scale

Multi-tenancy (namespaces / collections / tenants)

KDB.AI✓

Zilliz Cloud✓

Horizontal scale

KDB.AISharded / distributed

Zilliz CloudSharded / distributed

Consistency

KDB.AI-

Zilliz Cloud-

Licensing

Licence class

KDB.AI-

Zilliz CloudProprietary

Classification

Purpose-built vs feature-of-parent

KDB.AIDedicated DBMS

Zilliz CloudDedicated DBMS

What each one is

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

KDB.AI

A vector database for contextual and time series search that enables building AI apps, finding patterns in data, and mixing structured with unstructured data.

Independently observed

Zilliz Cloud

Leader

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.

Independently observed

Pricing

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

KDB.AI

HybridFree tier

Free tier available; enterprise pricing via contact sales

FreeFree

as of 2026-08-03verify ↗

Zilliz Cloud

Leader

from $0/moSubscriptionFree tier30-day trial

Free tier available. Paid plans start from $197/month (Enterprise Dedicated) or usage-based pricing ($126/GB for Standard Dedicated).

FreeFree
- Vector search
- Up to 5 collections
StandardFrom $0/month (Serverless) or from $126/GB/month (Dedicated)
- Fully managed vector databases with core APIs
- Backup and restore
- Basic monitoring
- Data encryption in transit and at rest
EnterpriseFrom $197/month (Dedicated)
- 99.95% uptime SLA
- Audit logs
- SSO (SAML 2.0)
- Granular RBAC
- Multi-replica and elastic scaling
- +1 more
Business CriticalContact sales
- Global cluster with high-level availability
- Disaster recovery
- CMEK and full-path in-transit encryption
- HIPAA-eligible
- Rapid incident response
BYOCContact sales
- Deploy on your infrastructure of choice
- High-level control and security
- Same features and experience as SaaS Dedicated clusters

as of 2026-08-13verify ↗

Platform & deployment

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

Platform and deployment support comparison
Supports	KDB.AI	Zilliz Cloud
WebPlatforms	-	✓
Cloud / SaaSDeployment	✓	✓
Self-hostedDeployment	✓	✗

Platforms

Web

KDB.AI–

Zilliz Cloud✓

Deployment

Cloud / SaaS

KDB.AI✓

Zilliz Cloud✓

Self-hosted

KDB.AI✓

Zilliz Cloud✗

Integrations

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

KDB.AI

2 total

Hugging Face
NVIDIA cuVS

Independently observed

Zilliz Cloud

Leader

4 total

AWS
Google Cloud
Azure
LangChain

Independently observed

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