Elasticsearch Alternatives
Vector search and kNN queries built into the established Elasticsearch platform
Elasticsearch provides dense vector search and kNN queries as part of its search platform.
Explore 19 alternatives to Elasticsearch across 1 category. Each tool listed below shares at least one category with Elasticsearch.
Top Elasticsearch alternatives at a glance
- Supabase Vector. Open-source Postgres vector database and AI toolkit built on pgvector
- Redis. In-memory vector database for low-latency similarity search across AI applications
- Milvus. Vector database built for scalable similarity search.
- FAISS. Meta's open-source library for efficient similarity search and dense vector clustering
- Qdrant. Powering the next generation of AI applications with advanced and high-performant vector similarity search technology.
🗄️ Vector databases
Supabase Vector
Open-source Postgres vector database and AI toolkit built on pgvector
Redis
In-memory vector database for low-latency similarity search across AI applications
Milvus
Vector database built for scalable similarity search.
FAISS
Meta's open-source library for efficient similarity search and dense vector clustering
LanceDB
The hyper scalable, easy to use, embedded vector database.
Zilliz
A Widely-Adopted Vector Database.
Marqo
Use your data to increase relevance with vector search.
Frequently asked questions
What are the best alternatives to Elasticsearch?
Based on category overlap and popularity, the top alternatives to Elasticsearch include: Supabase Vector (Open-source Postgres vector database and AI toolkit built on pgvector); Redis (In-memory vector database for low-latency similarity search across AI applica...); Milvus (Vector database built for scalable similarity search.); FAISS (Meta's open-source library for efficient similarity search and dense vector c...); Qdrant (Powering the next generation of AI applications with advanced and high-perfor...). See all 19 alternatives compared on this page.
Is there a free alternative to Elasticsearch?
Yes. 14 alternatives to Elasticsearch offer a free tier or free trial: Supabase Vector, Redis, Milvus, FAISS, Qdrant, Weaviate, and more. Use the comparison above to find the best fit for your use case.
Are there open-source alternatives to Elasticsearch?
Yes. 13 open-source alternatives to Elasticsearch are listed here: Supabase Vector, Redis, Milvus, FAISS, Qdrant, chroma, and more. Open-source tools can be self-hosted for full control over data and infrastructure.
What is Elasticsearch?
Elasticsearch provides dense vector search and kNN queries as part of its search platform. Teams already using Elasticsearch can add vector similarity search for RAG and semantic search without adopting a separate vector database. Supports HNSW indexing, hybrid search combining BM25 with vector s... See 19 alternatives to Elasticsearch across 1 category.
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