Keywords AI
Compare Elasticsearch and Neon side by side. Both are tools in the Vector Databases category.
| Category | Vector Databases | Vector Databases |
| Pricing | — | freemium |
| Best For | — | Developers wanting serverless Postgres with vector search |
| Website | elastic.co | neon.tech |
| Key Features | — |
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Key criteria to evaluate when comparing Vector Databases solutions:
Elasticsearch has added k-NN vector search capabilities to its distributed search and analytics engine. Teams can combine vector similarity search with Elasticsearch's powerful full-text search, filtering, and aggregation features in a single platform, making it ideal for hybrid search applications at enterprise scale.
Serverless Postgres with pgvector support. Scales to zero, branching for dev workflows.
Purpose-built databases for storing, indexing, and querying high-dimensional vector embeddings used in semantic search, RAG, and recommendation systems.
Browse all Vector Databases tools →A vector database stores high-dimensional numerical representations (embeddings) of data like text, images, or audio, and enables fast similarity search across millions or billions of vectors using approximate nearest neighbor algorithms.
For small to medium datasets (under 10 million vectors), pgvector in PostgreSQL works well and avoids adding another service. For larger datasets or when you need advanced features like hybrid search and real-time indexing, a dedicated vector database is recommended.
Match the embedding model to your use case. For general text search, models like OpenAI text-embedding-3 or Cohere embed-v3 work well. For domain-specific applications, consider fine-tuned models. Always benchmark with your actual data.