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Best OpenSearch Alternatives 2026

Published May 14, 2026 · Updated May 17, 2026 · 13 ranked

OpenSearch is great for AWS-maintained Apache 2.0 fork of Elasticsearch with full-text search, vector search, and analytics capabilities., but it's not the only option. We compared 13 databases tools to find the best alternatives.

View OpenSearch Full Review →

Top Alternatives Leaderboard

🥇
#1
DuckDB logo
DuckDB
In-process analytical database that runs inside Python, R, o...
Rating★ 4.7/5
Free✓ Free plan14 features
Full ReviewCompare
🥈
#2
PostgreSQL logo
PostgreSQL
Open-source relational database with JSONB, full-text search...
Rating★ 4.6/5
Free✓ Free plan16 features
Full ReviewCompare
🥉
#3
Redis logo
Redis
In-memory data structure store for caching, pub/sub, and lat...
Rating★ 4.5/5
$7/mo✓ Free plan16 features
Full ReviewCompare
#4
Snowflake logo
Snowflake
Pay-as-you-go
ReviewCompare
#5
TiDB logo
TiDB
Pay-as-you-go
ReviewCompare
#6
Databricks logo
Databricks
Pay-as-you-go
ReviewCompare
#7
ClickHouse logo
ClickHouse
Pay-as-you-go
ReviewCompare
#8
Elasticsearch logo
Elasticsearch
$95/mo
ReviewCompare
#9
MySQL logo
MySQL
$167/mo
ReviewCompare
#10
CockroachDB logo
CockroachDB
Pay-as-you-go
ReviewCompare
#11
Oracle Database 23ai logo
Oracle Database 23ai
Pay-as-you-go
ReviewCompare
#12
SurrealDB logo
SurrealDB
Free
ReviewCompare
#13
Turso logo
Turso
$29/mo
ReviewCompare

Detailed Reviews

Shared with OpenSearch
Unique Features
DuckDB logo

1. DuckDB

★ 4.7/5

In-process analytical database that runs inside Python, R, or any application, with no server required.

Different approach
In-process execution, Parquet/CSV/JSON direct query, S3 and GCS file access, SQL support
From: FreeFull Comparison →duckdb.org
PostgreSQL logo

2. PostgreSQL

★ 4.6/5

Open-source relational database with JSONB, full-text search, and extensions like pgvector and TimescaleDB.

Different approach
ACID Transactions, Advanced SQL, JSON/JSONB Support, Full-Text Search
From: FreeFull Comparison →postgresql.org
Redis logo

3. Redis

★ 4.5/5

In-memory data structure store for caching, pub/sub, and latency-sensitive workloads.

Different approach
In-Memory Storage, Persistent Storage (RDB/AOF), Pub/Sub Messaging, Streams
From: $7/moFull Comparison →redis.io
Snowflake logo

4. Snowflake

★ 4.5/5

Cloud data warehouse with separated storage and compute, multi-cloud support, and instant data sharing.

Different approach
Separation of Storage and Compute, Multi-Cluster Warehouses, Zero-Copy Cloning, Time Travel
From: Pay-as-you-goFull Comparison →snowflake.com
TiDB logo

5. TiDB

★ 4.5/5

Open-source distributed SQL database with MySQL compatibility for HTAP workloads.

Different approach
HTAP (Hybrid Transactional/Analytical), MySQL Wire Protocol, Horizontal Scaling, TiFlash (Columnar Engine)
From: Pay-as-you-goFull Comparison →pingcap.com
Databricks logo

6. Databricks

★ 4.5/5

Unified data and AI platform combining Delta Lake, SQL analytics, and ML training on a single platform.

Different approach
Delta Lake (Open Table Format), Apache Spark, MLflow (ML Tracking), Unity Catalog (Governance)
From: Pay-as-you-goFull Comparison →databricks.com
ClickHouse logo

7. ClickHouse

★ 4.5/5

Open-source column-oriented OLAP database that processes billions of rows per second for analytics workloads.

Different approach
Column-oriented storage, Vectorized query execution, Real-time ingestion, Kafka integration
From: Pay-as-you-goFull Comparison →clickhouse.com
Elasticsearch logo

8. Elasticsearch

★ 4.4/5

Distributed search and analytics engine built on Apache Lucene for full-text search and log analytics at scale.

Full-text search, Distributed sharding, REST API, Cross-cluster replication
Inverted index, JSON document storage, Aggregations, Geospatial queries
From: $95/moFull Comparison →elastic.co
MySQL logo

9. MySQL

★ 4.4/5

The most widely deployed open-source relational database, powering WordPress, Drupal, and most PHP apps.

Different approach
ACID Transactions (InnoDB), Replication, Full-Text Search, JSON Support
From: $167/moFull Comparison →mysql.com
CockroachDB logo

10. CockroachDB

★ 4.4/5

Distributed SQL with PostgreSQL compatibility, horizontal scaling, and strong consistency.

Different approach
Distributed SQL, PostgreSQL Wire Protocol, Multi-Region Replication, Serializable Isolation
From: Pay-as-you-goFull Comparison →cockroachlabs.com
Oracle Database 23ai logo

11. Oracle Database 23ai

★ 4.4/5

Oracle's enterprise relational database for mission-critical OLTP and data warehouse workloads.

Different approach
AI Vector Search, SQL & PL/SQL, Real Application Clusters (RAC), Multitenant Architecture
From: Pay-as-you-goFull Comparison →oracle.com
SurrealDB logo

12. SurrealDB

★ N/A/5

Multi-model database supporting graph, document, relational, and time-series data with SurrealQL.

REST API
Multi-Model (Document + Graph + Relational), SurrealQL (SQL-like Query Language), Real-Time Live Queries, Built-in Auth (JWT/Sessions)
From: FreeFull Comparison →surrealdb.com
Turso logo

13. Turso

★ N/A/5

Managed edge database service built on libSQL, an open-source SQLite fork for global deployments.

Different approach
SQLite Compatibility (libSQL fork), Edge Deployment (Global), Multi-Region Replication, Embedded Replicas
From: $29/moFull Comparison →turso.tech
Authored by Oleh KemExpert verified·Updated May 17, 2026·Our methodology
Price & Data Intelligence SyncLast verified: May 14, 2026 · CE-DB-2026W20-E942B0 · No changes detectedUp to date

Frequently Asked Questions

Related Pages

OpenSearch logo
OpenSearch Pricing →Best Databases Tools →
DuckDB logo
OpenSearch vs DuckDB →
PostgreSQL logo
OpenSearch vs PostgreSQL →
Redis logo
OpenSearch vs Redis →
Snowflake logo
OpenSearch vs Snowflake →

Sources

  1. 1.OpenSearch Official Website–Official product website
  2. 2.OpenSearch Official Pricing–Vendor pricing page