vioscale
Comparison

Faiss 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.

Faiss full profile →Zilliz Cloud full profile →
Machine formatsJSONMarkdownGraphQLor send Accept: application/json
Faiss62
★Zilliz Cloud80
Score
Vioscale score
Faiss62 / 100low · 36%updating
Zilliz Cloud80 / 100medium · 73%updating
Pricing
Free tier
Faiss–
Zilliz Cloud✓
Model
Faisscommercial
Zilliz Cloudfreemium
Price level
Faissfree
Zilliz Cloudfree
Transparent
Faiss–
Zilliz Cloud✓
Integrations
Count
Faiss–
Zilliz Cloud4
Security
Gdpr
Faiss–
Zilliz Cloud✓
Hipaa
Faiss–
Zilliz Cloud✓
Iso27001
Faiss–
Zilliz Cloud✓
Scorecard
Faiss6.1
Zilliz Cloud–
Soc2
Faiss–
Zilliz Cloud✓
Vulnerabilities
Reliability
Sla pct
Faiss–
Zilliz Cloud99.95
Status page
Faiss✓
Zilliz Cloud✓
Adoption
Dependent repos
Faiss5,592
Zilliz Cloud–
Github stars
Faiss40,809
Zilliz Cloud–
Activity
Commits last 30d
Faiss47
Zilliz Cloud–
Release
Cadence days
Faiss83
Zilliz Cloud–
History
Faiss20 items
Zilliz Cloud–
License
Spdx
FaissMIT
Zilliz Cloud–
Language
Primary
FaissC++
Zilliz Cloud–
Market
Availability

Capabilities

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

Deployment
Deployment
FaissSelf-hosted
Zilliz CloudManaged
Serverless / consumption pricing
Faiss✗
Zilliz Cloud✓
Index
ANN index (HNSW / IVF / DiskANN / ScaNN / flat)
FaissHNSW, IVF, PQ, multi-index, NSG
Zilliz Cloud-
Distance metrics (cosine / dot / Euclidean)
FaissEuclidean (L2), inner product, L1, Linf
Zilliz Cloud-
Query
Metadata filtering
Faiss-
Zilliz CloudPost-filter
Hybrid search (dense + sparse fusion)
Faiss-
Zilliz Cloud✓
Built-in BM25 / lexical
Faiss-
Zilliz Cloud✓
Storage
Quantization
FaissProduct
Zilliz Cloud-
On-disk vs in-memory
FaissDisk-backed
Zilliz CloudTiered
Scale
Multi-tenancy (namespaces / collections / tenants)
Faiss-
Zilliz Cloud✓
Horizontal scale
FaissSingle-node
Zilliz CloudSharded / distributed
Consistency
Consistency
Faiss-
Zilliz Cloud-
Licensing
Licence class
FaissPermissive OSS
Zilliz CloudProprietary
Classification
Purpose-built vs feature-of-parent
FaissExtension
Zilliz CloudDedicated DBMS

What each one is

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

Faiss

Faiss is a library for efficient similarity search and clustering of dense vectors. It contains algorithms that search in sets of vectors of any size, up to ones that possibly do not fit in RAM.

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.

Faiss

Open source
as of verify ↗

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 verify ↗

Platform & deployment

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

Platforms
Web
Faiss✗
Zilliz Cloud✓
macOS
Faiss✓
Zilliz Cloud✗
Windows
Faiss✓
Zilliz Cloud✗
Linux
Faiss✓
Zilliz Cloud✗
Deployment
Cloud / SaaS
Faiss✗
Zilliz Cloud✓
Self-hosted
Faiss✓
Zilliz Cloud✗

Integrations

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

Faiss

Not documented yet.

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.