Comparison

KDB.AI vs Weaviate

On the evidence we track, Weaviate leads this comparison with a composite score of 63/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
KDB.AI47
★Weaviate63
Score
vioscaleAI score
KDB.AI47 / 100low · 24%
Weaviate63 / 100medium · 73%
Pricing
Free tier
KDB.AI✓
Weaviate✓
Model
Weaviatefreemium
Price level
KDB.AIlow
Weaviatelow
Transparent
KDB.AI✗
Weaviate✗
Integrations
Count
KDB.AI5
Weaviate25
Security
Disclosure policy
KDB.AI✓
Weaviate✓
Gdpr
KDB.AI–
Weaviate✓
Hipaa
KDB.AI–
Weaviate✓
Scorecard
KDB.AI–
Weaviate6.7
Soc2
KDB.AI–
Weaviate✓
Trust center
Reliability
Sla pct
KDB.AI–
Weaviate99.95
Status page
KDB.AI–
Weaviate✓
Adoption
Dependent repos
KDB.AI–
Weaviate15
Github stars
KDB.AI–
Weaviate16,862
Activity
Commits last 30d
KDB.AI–
Weaviate100
Release
Cadence days
KDB.AI–
Weaviate1
History
KDB.AI–
Weaviate20 items
License
Spdx
KDB.AI–
WeaviateBSD-3-Clause
Language
Primary
KDB.AI–
WeaviateGo
Market
Availability
Content
Faq
KDB.AI4 items
Weaviate7 items

Capabilities

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

Deployment
Deployment
KDB.AIManaged
WeaviateSelf-hosted
Serverless / consumption pricing
KDB.AI-
Weaviate-
Index
ANN index (HNSW / IVF / DiskANN / ScaNN / flat)
KDB.AIFlat, qFlat, IVF, IVFPQ, HNSW, qHnsw
WeaviateHNSW
Distance metrics (cosine / dot / Euclidean)
KDB.AIEuclidean, Inner-Product, Cosine
Weaviate-
Query
Metadata filtering
KDB.AIPre-filter
Weaviate-
Hybrid search (dense + sparse fusion)
KDB.AI✓
Weaviate✓
Built-in BM25 / lexical
KDB.AI✓
Weaviate✓
Storage
Quantization
KDB.AIProduct
WeaviateProduct
On-disk vs in-memory
KDB.AIDisk-backed
Weaviate-
Scale
Multi-tenancy (namespaces / collections / tenants)
KDB.AI✓
Weaviate✓
Horizontal scale
KDB.AISharded / distributed
WeaviateSharded / distributed
Consistency
Consistency
KDB.AI-
WeaviateTunable
Licensing
Licence class
KDB.AI-
WeaviatePermissive OSS
Classification
Purpose-built vs feature-of-parent
KDB.AIDedicated DBMS
WeaviateDedicated DBMS

What each one is

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

KDB.AI

KDB.AI is a specialized vector database enabling developers to build AI-powered applications by integrating vector embeddings with structured time-series data. It supports hybrid search, multimodal retrieval, and real-time analytics for generative AI and RAG applications.

Independently observed

Weaviate

Leader

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

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 ↗

Weaviate

Leader
HybridFree tier
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–
Weaviate✓
Deployment
Cloud / SaaS
KDB.AI✓
Weaviate✓
Self-hosted
KDB.AI✗
Weaviate✓
On-premise
KDB.AI✓
Weaviate✗

Integrations

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

KDB.AI

8 total
  • Hugging Face
  • NVIDIA cuVS
  • LlamaIndex
  • Langchain
  • Voyage AI
  • TwelveLabs
  • Google Colab
  • HuggingFace
Independently observed

Weaviate

Leader

Not documented yet.

Still deciding?

KDB.AI or Weaviate: 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.