Serverless Vector Search

VectorDB

Store and search vector embeddings at scale. Build RAG applications, semantic search, and recommendation systems.

RAG Applications

Augment LLMs with your data

Semantic Search

Search by meaning, not keywords

Recommendations

Find similar items instantly

Image Search

Reverse image lookup

Blazing Fast

Sub-millisecond queries at any scale. HNSW indexing for optimal performance.

Auto-scaling

Scales from 100K to billions of vectors automatically. No capacity planning.

Metadata Filtering

Filter results by metadata. Combine vector similarity with structured queries.

Easy Integration

Works with OpenAI, Cohere, BGE, and any embedding model.

Namespaces

Organize vectors by namespace. Multi-tenant by design.

Hybrid Search

Combine vector search with keyword search for best results.

Simple API

Upsert Vectors
import { VectorDB } from '@hostscience/vectordb';

const db = new VectorDB('your-api-key');

// Upsert with OpenAI embeddings
await db.upsert({
  namespace: 'docs',
  vectors: [
    {
      id: 'doc-1',
      values: await openai.embed(text),
      metadata: { title: 'Getting Started', url: '/docs/start' }
    }
  ]
});
Query Vectors
// Semantic search
const results = await db.query({
  namespace: 'docs',
  vector: await openai.embed(userQuery),
  topK: 10,
  filter: { category: 'tutorials' },
  includeMetadata: true
});

// Use results for RAG
const context = results.matches.map(m => m.metadata.content);

Pricing

VectorDB Starter

For AI prototypes

Free
  • 100,000 vectors
  • 100,000 queries/mo
  • OpenAI embeddings
  • REST API
  • Metadata filtering
Start Free
Most Popular

VectorDB Pro

Production vector search

$49.0/mo
  • 1,000,000 vectors
  • 1,000,000 queries/mo
  • 1M vectors
  • Multiple indexes
  • Hybrid search
  • SDK support
Get Started

VectorDB Enterprise

Enterprise AI infrastructure

$249.0/mo
  • Unlimited vectors
  • Unlimited queries/mo
  • Unlimited vectors
  • Dedicated cluster
  • SOC 2
  • SLA 99.99%
Get Started

Build AI-Powered Search

100K vectors free. No credit card required.

Create Your First Index