Pyyan / Compare / Vespa vs Weaviate
Vespa vs Weaviate
2 of 5Vector Databases · verified 13 Aug 2026
VespaVespa.aicurrent
WeaviateWeaviatecurrent| Specification | Vespa | Weaviate |
|---|---|---|
| Summary | Search engine first, vector store second. | Hybrid search with batteries included. |
| Index | HNSW plus inverted | HNSW |
| Hybrid search | Yes, native | Yes, native |
| Hosting | Self-host and managed | Self-host and managed |
| Licence | Apache 2.0 | BSD-3 |
| p50 latency | ~10ms | ~12ms |
| Category | Vector Databases | Vector Databases |
| Official | Vespa.ai ↗ | Weaviate ↗ |
Highlighted rows are where these differ.
Vespa
- Yahoo's engine, open sourced; runs enormous production workloads
- Steep learning curve, unmatched ranking control
Best for complex ranking at very large scale.
Weaviate
- Vector, BM25 and metadata filters in one query
- Modules for embedding generation built in
Best for hybrid keyword and semantic search.