Comparison

KDB.AI vs Milvus

On the evidence we track, Milvus leads this comparison with a composite score of 59/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsJSONMarkdownGraphQLor send Accept: application/json
KDB.AI42
Milvus59
Score
Vioscale score
KDB.AI42 / 100low · 24%
Milvus59 / 100medium · 52%
Pricing
Free tier
KDB.AI
Milvus
Model
Milvusfreemium
Price level
KDB.AIlow
Milvuslow
Transparent
KDB.AI
Milvus
Integrations
Count
KDB.AI2
Milvus7
Adoption
Dependent repos
KDB.AI
Milvus7
Github stars
KDB.AI
Milvus45,802
Activity
Commits last 30d
KDB.AI
Milvus100
Release
Cadence days
KDB.AI
Milvus6
History
KDB.AI
Milvus20 items
License
Spdx
KDB.AI
Language
Primary
KDB.AI
MilvusGo

Capabilities

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

Deployment
Deployment
KDB.AIManaged
Milvus-
Serverless / consumption pricing
KDB.AI-
Milvus
Index
ANN index (HNSW / IVF / DiskANN / ScaNN / flat)
KDB.AI-
Milvus-
Distance metrics (cosine / dot / Euclidean)
KDB.AI-
Milvuscosine, Euclidean, dot product
Query
Metadata filtering
KDB.AIPre-filter
MilvusPre-filter
Hybrid search (dense + sparse fusion)
KDB.AI
Milvus
Built-in BM25 / lexical
KDB.AI
Milvus
Storage
Quantization
KDB.AI-
MilvusProduct
On-disk vs in-memory
KDB.AI-
MilvusDisk-backed
Scale
Multi-tenancy (namespaces / collections / tenants)
KDB.AI
Milvus
Horizontal scale
KDB.AISharded / distributed
MilvusSharded / distributed
Consistency
Consistency
KDB.AI-
MilvusEventual
Licensing
Licence class
KDB.AI-
MilvusPermissive OSS
Classification
Purpose-built vs feature-of-parent
KDB.AIDedicated DBMS
MilvusDedicated 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

Milvus

Leader

A distributed database system for storing and searching high-dimensional vectors at scale. Supports multiple deployment models from local notebooks to cloud-managed services, with capabilities for hybrid search combining dense and sparse embeddings.

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 verify ↗

Milvus

Leader
HybridFree tier

Open-source free; managed cloud service available

as of verify ↗

Platform & deployment

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

Platforms
Web
KDB.AI
Milvus
CLI
KDB.AI
Milvus
Deployment
Cloud / SaaS
KDB.AI
Milvus
Self-hosted
KDB.AI
Milvus
Hybrid
KDB.AI
Milvus

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

Milvus

Leader
7 total
  • OpenAI
  • Sentence Transformers
  • BGE-M3
  • SPLADE
  • Jina AI
  • BM25
  • PyMilvus
Independently observed

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