Vespa
Open-source AI search platform combining vector search, keyword retrieval, structured filtering, and ML ranking. Powers applications at Spotify, Yahoo, and Wix with sub-100ms response times. This is an OSS platform under Apache 2.0 with managed cloud option.
About this tool
Overview
Vespa is a fully open-source AI search platform for developing and operating large-scale applications that combine big data, vector search, machine-learned ranking, and real-time inference. Used by major enterprises including Spotify, Yahoo, and Wix.
Key Features
- Unified Platform: Combines vector search, keyword retrieval, structured filtering, and ML ranking
- Real-Time: Sub-100ms response times for thousands of queries per second
- Scalable: Handles billions of data items
- Machine Learning: Built-in support for ML model inference
- High Availability: Enterprise-grade reliability
- Flexible Schema: Dynamic document types and fields
Vector Search Capabilities
- Native vector similarity search
- Approximate nearest neighbor (ANN) algorithms
- Hybrid search combining vectors with keywords
- Metadata filtering with vector search
- Multiple distance metrics
- Real-time vector indexing
Performance
- Throughput: Thousands of queries per second
- Latency: Sub-100ms response times
- Scale: Billions of documents
- Concurrent Users: High concurrency support
- Real-Time: Immediate visibility of new data
Deployment Options
Open Source (Apache 2.0)
- Self-hosted on your infrastructure
- Complete feature set
- Full source code available
- Community support
Vespa Cloud (Managed Service)
- Fully managed infrastructure
- Auto-scaling and optimization
- Expert performance tuning available
- Enterprise support and SLA
- Resource usage optimization tools
Use Cases
- Semantic search at scale
- Recommendation engines
- Personalized content delivery
- Real-time analytics dashboards
- E-commerce product search
- Enterprise knowledge search
Enterprise Adoption
Spotify
- Powers music recommendation
- Handles massive scale search
Yahoo
- News and content delivery
- Advertising platform
Wix
- Website search
- Content management
Architecture
- Distributed system design
- Elastic scaling
- Built-in redundancy
- Automatic failover
- Stateful serving with search and recommendation
Machine Learning Integration
- Deploy ML models directly in Vespa
- Real-time model inference during queries
- ONNX model support
- Feature computation at query time
- A/B testing and experimentation
Community and Ecosystem
- Active open-source community
- Comprehensive documentation
- Sample applications and tutorials
- Regular releases and updates
- Enterprise consulting available
Pricing
Open Source
Free under Apache 2.0 license. No licensing costs.
Vespa Cloud
Usage-based pricing:
- Starts free for small projects
- Scales with usage
- Resource-based billing
- Enterprise plans with SLA and dedicated support
- Cost optimization tools included
Detailed pricing at: vespa.ai/pricing
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