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 24 alternatives to OpenSearch across 1 category. Updated September 2026.
Top OpenSearch alternatives at a glance
- Elasticsearch. Distributed full-text search and analytics engine with built-in vector and hybrid search
- Meilisearch. Open-source search engine in Rust with full-text, semantic, and hybrid search
- Azure AI Search. Microsoft managed search service with vector, hybrid, and agentic retrieval for RAG
- 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
Compare OpenSearch with its alternatives
| Product | Pricing Model | Free Tier | Open Source | Hosting | HQ |
|---|---|---|---|---|---|
| OpenSearch | Free | ✓ | ✓ | Cloud + Self-hosted | ๐บ๐ธ United States |
| Elasticsearch | Freemium | ✓ | ✓ | Cloud + Self-hosted | ๐บ๐ธ United States |
| Meilisearch | Freemium | ✓ | ✓ | Cloud + Self-hosted | ๐ซ๐ท France |
| Azure AI Search | Pay-per-use | ✓ | — | Cloud | ๐บ๐ธ United States |
| Typesense | Freemium | ✓ | ✓ | Cloud + Self-hosted | ๐บ๐ธ United States |
| Supabase Vector | Freemium | ✓ | ✓ APACHE-2.0 | Cloud + Self-hosted | ๐ธ๐ฌ Singapore |
| Redis | Freemium | ✓ | ✓ AGPL-3.0 | Cloud + Self-hosted | ๐บ๐ธ United States |
| Milvus | Freemium | ✓ | ✓ APACHE2 | Cloud + Self-hosted | ๐บ๐ธ United States |
| FAISS | Free | ✓ | ✓ | Self-hosted | ๐บ๐ธ United States |
| Qdrant | Freemium | ✓ | ✓ APACHE2 | Cloud + Self-hosted | ๐ฉ๐ช Germany |
| Chroma | Pay-per-use | — | ✓ APACHE2 | Cloud + Self-hosted | ๐บ๐ธ United States |
| pgvector | Free | ✓ | ✓ | Self-hosted | ๐บ๐ธ United States |
| Weaviate | Pay-per-use | ✓ | ✓ BSD3 | Cloud + Self-hosted | ๐ณ๐ฑ Netherlands |
| LanceDB | Freemium | ✓ | ✓ APACHE2 | Cloud + Self-hosted | ๐บ๐ธ United States |
| Vespa | Freemium | ✓ | ✓ APACHE-2.0 | Cloud + Self-hosted | ๐ณ๐ด Norway |
| TopK | Pay-per-use | — | ✓ MIT | Cloud | ๐บ๐ธ United States |
๐๏ธ 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.
Browse all 25 Vector databases products
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