# Couchbase Vector Search

> NoSQL database with vector search capabilities through Search Vector Indexes. Couchbase 8.0 introduces Hyperscale Vector Index for billion+ scale searches. This is a commercial database with free community edition.

- **URL:** https://www.couchbase.com/products/vector-search/
- **Category:** Multi Model & Hybrid Databases
- **Tags:** Commercial, nosql, Hybrid Search
- **Updated:** 2026-03-06 18:05
- **Canonical page:** https://vectordb.ever.works/items/couchbase-vector-search

## Details

## Overview

Couchbase provides enterprise-level vector search capabilities integrated into its NoSQL document database. Version 8.0 introduces significant enhancements for billion-scale vector search with flexible indexing.

## Couchbase 8.0 Vector Features

### Hyperscale Vector Index
- Powers searches across 1+ billion vector index records
- Scalable architecture for massive datasets
- Optimized performance at extreme scale

### Composite Vector Index
- Enables searches across different data types
- Unified indexing for multi-modal data
- Flexible query capabilities

### Search Vector Index
- Hybrid search combining vectors and traditional queries
- Full-text search integration
- Geo-spatial capabilities

## Key Features

- **Multi-Model Database**: Documents, key-value, and vectors in one platform
- **Distributed Architecture**: Multi-node clusters for scale and availability
- **Hybrid Search**: Vectors + full-text + geo + structured queries
- **Mobile Support**: Couchbase Lite with vector search
- **Edge to Cloud**: Consistent experience across deployment models

## Pricing

### Couchbase Capella (Managed DBaaS)

#### Free Tier
- Get started with Capella for free
- Includes search functionalities (vector, full-text, geo)
- 1 node, 8GB memory
- Forum support

#### Basic Tier
- **Starting at**: $0.15/hour per node
- Vector search included
- Standard support

#### Advanced Tier
- **Starting at**: $0.35/hour per node
- Billion-scale vector search
- Flexible indexing
- 99.5% uptime SLA

#### Enterprise Tier
- **Starting at**: $0.49/hour per node
- Minimum 3-node cluster
- 99.99% uptime SLA
- Premium support

### AI Services

#### Developer Pro AI
- Enhanced AI capabilities
- Starting at higher rate

#### Enterprise AI
- **Starting at**: $5.36/hour per node
- Agent Catalog access
- NVIDIA enterprise support
- Advanced AI features

### Couchbase Server (Self-Managed)
- Community Edition: Free
- Enterprise Edition: Commercial licensing
- Perpetual or subscription models

## Use Cases

- E-commerce product search and recommendations
- Content management with semantic search
- Mobile applications with offline AI
- User personalization at scale
- Multi-modal search applications
- Edge AI deployments

## Technical Capabilities

- Multiple vector similarity metrics
- Real-time index updates
- Distributed query processing
- ACID transactions
- Mobile sync with vector data
- Multi-datacenter replication

## SDK Support

- Java, .NET, Node.js, Python, Go, PHP
- Mobile SDKs (iOS, Android)
- REST API
- Query language (N1QL)

## Deployment Options

### Couchbase Capella
- Fully managed cloud service
- AWS, Azure, GCP
- Automatic scaling and updates

### Couchbase Server
- On-premises deployment
- Private cloud
- Hybrid cloud architectures

### Couchbase Lite
- Embedded database for mobile/edge
- Offline-first with sync
- Vector search on device

## Integration

- LangChain vector store
- LlamaIndex support
- Major AI/ML frameworks
- Data pipelines and ETL tools

## Performance

- Sub-millisecond queries for cached data
- Billion-scale vector search capability
- Horizontal scalability
- Multi-dimensional scaling (compute, storage, services)

## Enterprise Features

- Multi-datacenter replication
- Cross-datacenter conflict resolution
- Role-based access control
- Encryption at rest and in transit
- Audit logging
- 24/7 support options

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