vioscale
Comparison

Elasticsearch vs OpenSearch

No clear leader: OpenSearch (60.6) and Elasticsearch (60.0) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

Elasticsearch full profile →OpenSearch full profile →
Machine formatsJSONMarkdownGraphQLor send Accept: application/json
Elasticsearch60
OpenSearch61
Score
Vioscale score
Elasticsearch60 / 100medium · 50%
OpenSearch61 / 100medium · 50%
Pricing
Free tier
Elasticsearch✓
OpenSearch✓
Model
Elasticsearchcommercial
OpenSearchcommercial
Price level
Elasticsearchlow
OpenSearchfree
Transparent
Elasticsearch✗
OpenSearch✓
Integrations
Count
Elasticsearch25
OpenSearch1
Security
Disclosure policy
Elasticsearch–
OpenSearch✓
Scorecard
Elasticsearch6.9
OpenSearch–
Vulnerabilities
Reliability
Status page
Elasticsearch✓
OpenSearch–
Adoption
Dependent repos
Elasticsearch18,551
OpenSearch223
Github stars
Elasticsearch77,862
OpenSearch13,581
Activity
Commits last 30d
Elasticsearch100
OpenSearch85
Release
Cadence days
Elasticsearch–
OpenSearch29
History
Elasticsearch20 items
OpenSearch20 items
License
Spdx
Elasticsearch–
OpenSearchApache-2.0
Language
Primary
ElasticsearchJava
OpenSearchJava
Market
Availability
ElasticsearchAvailable worldwide · Popular in US
OpenSearch–

Capabilities

Feature-by-feature on the axes that matter for search engines. “-” means undocumented, not absent.

Deployment
Deployment
ElasticsearchSelf-hosted
OpenSearchSelf-hosted
Architecture
Index engine
ElasticsearchLucene
OpenSearch-
Query
Query DSL (JSON / SQL / params / GraphQL)
ElasticsearchES|QL
OpenSearch-
Faceting & filtering
ElasticsearchYes
OpenSearch-
Geo search
Elasticsearch✓
OpenSearch✗
Relevance
Typo tolerance / fuzzy
ElasticsearchBuilt-in
OpenSearch-
Relevance tuning
ElasticsearchLearning-to-rank
OpenSearchBM25 only
Vector
Vector / hybrid search
ElasticsearchDense + lexical fusion
OpenSearchDense + lexical fusion
Scale
Distributed / horizontal scale
ElasticsearchSharded
OpenSearchSharded
Multi-tenancy (indexes / collections / tenants)
Elasticsearch✓
OpenSearch✓
Ingest
Real-time indexing
ElasticsearchNear-real-time
OpenSearchNear-real-time
Workload
Log / analytics workload
Elasticsearch✓
OpenSearch✓
Licensing
Licence class
ElasticsearchSource-available (SSPL / Elastic)
OpenSearchSource-available (SSPL / Elastic)

What each one is

The product in its own terms, so the numbers below have context.

Elasticsearch

A search and analytics platform that ingests, stores, and searches structured, unstructured, and vector data in real time. Supports full-text search, vector search, observability analytics, and security event analysis through a unified REST API and query language.

Independently observed

OpenSearch

An open-source search and observability suite that enables enterprises to search, analyze, and monitor unstructured data. It combines full-text search, machine learning, real-time log analysis, and security analytics capabilities in an integrated platform.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Elasticsearch

free|open_source|quoteFree tier14-day trial

Free open-source tier; Platinum and Enterprise tiers available on request

  • Free and OpenFree
    • Distributed vector and search engine
    • Full-text, semantic, and vector search
    • Kibana interface for querying and visualization
    • Native authentication and TLS encryption
    • Basic monitoring via Stack Monitoring
    • +3 more
  • PlatinumContact sales
    • Everything in Free plus:
    • Single sign-on (SSO), LDAP/Active Directory
    • Field and document-level security
    • Audit logging
    • Machine learning anomaly detection
    • +4 more
  • EnterpriseContact sales
    • Everything in Platinum plus:
    • Searchable snapshots on low-cost object storage (up to 80% cost reduction)
    • Attack Discovery (GenAI security)
    • Universal Profiling for application performance
    • Cross-cluster search with advanced API-key security
    • +6 more
as of verify ↗

OpenSearch

Open sourceFree tier

Open source and free to use

as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
Elasticsearch✓
OpenSearch✓
CLI
Elasticsearch✓
OpenSearch✓
Deployment
Cloud / SaaS
Elasticsearch✓
OpenSearch✗
Self-hosted
Elasticsearch✓
OpenSearch✓
On-premise
Elasticsearch✓
OpenSearch✓
Air-gapped
Elasticsearch✓
OpenSearch✗

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Elasticsearch

25 total
  • Slack
  • Jira
  • ServiceNow
  • PagerDuty
  • Microsoft Teams
  • IBM Resilient
  • xMatters
  • GitHub
  • Jina AI
  • NVIDIA AI
  • Prometheus
  • Grafana
  • AWS Bedrock
  • Sarvam AI
  • Google ADK
  • LlamaParse
  • Mistral
  • Elastic Agent
  • Beats
  • Logstash
  • Filebeat
  • Metricbeat
  • Heartbeat
  • Webhooks
  • +1 more
Independently observed

OpenSearch

1 total
  • Data Prepper
Independently observed

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.