OpenSearch Alternatives
Open-source search and analytics suite with full-text, vector, and hybrid search
OpenSearch is a distributed, Apache 2.0-licensed search and analytics suite built on Apache Lucene, forked from Elasticsearch in 2021.
Explore 23 alternatives to OpenSearch across 1 category. Each tool listed below shares at least one category with OpenSearch.
Top OpenSearch alternatives at a glance
- Elasticsearch. Distributed full-text search and analytics engine with built-in vector and hybrid search
- Azure AI Search. Microsoft managed search service with vector, hybrid, and agentic retrieval for RAG
- Meilisearch. Open-source search engine in Rust with full-text, semantic, and hybrid search
- Typesense. Open-source typo-tolerant search engine with built-in vector and hybrid search
- Supabase Vector. Open-source Postgres vector database and AI toolkit built on pgvector
🗄️ Vector databases
Meilisearch
Open-source search engine in Rust with full-text, semantic, and hybrid search
Typesense
Open-source typo-tolerant search engine with built-in vector and hybrid search
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 OpenSearch?
Based on category overlap and popularity, the top alternatives to OpenSearch include: Elasticsearch (Distributed full-text search and analytics engine with built-in vector and hy...); Azure AI Search (Microsoft managed search service with vector, hybrid, and agentic retrieval f...); Meilisearch (Open-source search engine in Rust with full-text, semantic, and hybrid search); Typesense (Open-source typo-tolerant search engine with built-in vector and hybrid search); Supabase Vector (Open-source Postgres vector database and AI toolkit built on pgvector). See all 23 alternatives compared on this page.
Is there a free alternative to OpenSearch?
Yes. 18 alternatives to OpenSearch offer a free tier or free trial: Elasticsearch, Azure AI Search, Meilisearch, Typesense, Supabase Vector, Redis, and more. Use the comparison above to find the best fit for your use case.
Are there open-source alternatives to OpenSearch?
Yes. 16 open-source alternatives to OpenSearch are listed here: Elasticsearch, Meilisearch, Typesense, Supabase Vector, Redis, Milvus, and more. Open-source tools can be self-hosted for full control over data and infrastructure.
What is OpenSearch?
OpenSearch is a distributed, Apache 2.0-licensed search and analytics suite built on Apache Lucene, forked from Elasticsearch in 2021. It does full-text (BM25) keyword search, k-NN vector search via its vector engine, and hybrid search combining the two, plus a built-in observability and dashboar... See 23 alternatives to OpenSearch across 1 category.
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