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Elasticsearch vs OpenSearch(2026)

Elasticsearch is better for teams that need battle-tested at massive scale. OpenSearch is the stronger choice if truly open source (apache 2). Elasticsearch is freemium (from $95/month (Elastic Cloud)) and OpenSearch is open-source.

Full feature breakdown, pricing details, and pros & cons below.

By Bikram Nath

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Elasticsearch logo

Elasticsearch

freemium

Elasticsearch is a distributed search and analytics engine powering full-text search, log analytics, and observability at scale.

Starting at $95/month (Elastic Cloud)

Visit Elasticsearch
OpenSearch logo

OpenSearch

open-source

OpenSearch is an AWS-backed open source fork of Elasticsearch and Kibana, fully compatible with the Elasticsearch API.

Visit OpenSearch

How Do Elasticsearch and OpenSearch Compare on Features?

FeatureElasticsearchOpenSearch
Pricing modelfreemiumopen-source
Starting price$95/month (Elastic Cloud)Free
Full-text search✓—
Aggregations & analytics✓—
Vector search✓✓
Log analytics✓—
APM✓—
Geo search✓—
Elasticsearch-compatible API—✓
OpenSearch Dashboards—✓
Managed on AWS—✓
Security plugin—✓
Alerting—✓

Elasticsearch Pros and Cons vs OpenSearch

E

Elasticsearch

+Battle-tested at massive scale
+Extremely flexible
+Strong analytics
+Vector search support
−Complex to operate
−Memory-hungry
−Expensive at scale
−Steep learning curve
O

OpenSearch

+Truly open source (Apache 2)
+AWS managed option
+Drop-in Elasticsearch replacement
+Free self-hosted
−Less community momentum than Elasticsearch
−AWS-centric ecosystem
−Slower feature updates

Should You Use Elasticsearch or OpenSearch?

For most teams, OpenSearch is the better default: it offers truly open source (apache 2) and is open-source. Choose Elasticsearch instead if battle-tested at massive scale matters more than less community momentum than elasticsearch. There is no universal winner — the right pick depends on your budget, team size, and whether you value battle-tested at massive scale or truly open source (apache 2) more.

Choose Elasticsearch if…

  • •Battle-tested at massive scale
  • •Extremely flexible
  • •Strong analytics

Choose OpenSearch if…

  • •Truly open source (Apache 2)
  • •AWS managed option
  • •Drop-in Elasticsearch replacement

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