Comparison

Apache Solr vs Elasticsearch

On the evidence we track, Elasticsearch leads this comparison with a composite score of 60/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsJSONMarkdownGraphQLor send Accept: application/json
Apache Solr54
Elasticsearch60
Score
Vioscale score
Apache Solr54 / 100low · 40%
Elasticsearch60 / 100medium · 50%
Pricing
Free tier
Apache Solr
Elasticsearch
Model
Apache Solrcommercial
Elasticsearchcommercial
Price level
Apache Solrfree
Elasticsearchlow
Transparent
Apache Solr
Elasticsearch
Integrations
Count
Apache Solr10
Elasticsearch25
Reliability
Status page
Apache Solr
Elasticsearch
Adoption
Dependent repos
Apache Solr0
Elasticsearch18,551
Github stars
Apache Solr1,667
Elasticsearch77,862
Activity
Commits last 30d
Apache Solr100
Elasticsearch100
Release
History
Apache Solr
Elasticsearch20 items
License
Spdx
Apache SolrApache-2.0
Elasticsearch
Language
Primary
Apache SolrJava
ElasticsearchJava
Market
Availability
Apache Solr

Capabilities

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

Deployment
Deployment
Apache SolrSelf-hosted
ElasticsearchSelf-hosted
Architecture
Index engine
Apache SolrLucene
ElasticsearchLucene
Query
Query DSL (JSON / SQL / params / GraphQL)
Apache SolrHTTP REST API with JSON/XML/CSV
ElasticsearchES|QL
Faceting & filtering
Apache SolrYes
ElasticsearchYes
Geo search
Apache Solr
Elasticsearch
Relevance
Typo tolerance / fuzzy
Apache Solr-
ElasticsearchBuilt-in
Relevance tuning
Apache Solr-
ElasticsearchLearning-to-rank
Vector
Vector / hybrid search
Apache SolrDense + lexical fusion
ElasticsearchDense + lexical fusion
Scale
Distributed / horizontal scale
Apache SolrClustered
ElasticsearchSharded
Multi-tenancy (indexes / collections / tenants)
Apache Solr
Elasticsearch
Ingest
Real-time indexing
Apache SolrNear-real-time
ElasticsearchNear-real-time
Workload
Log / analytics workload
Apache Solr-
Elasticsearch
Licensing
Licence class
Apache SolrPermissive OSS
ElasticsearchSource-available (SSPL / Elastic)

What each one is

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

Apache Solr

Apache Solr is a server-based search platform built on Apache Lucene, enabling full-text, vector, and geospatial search through HTTP REST APIs. It supports distributed indexing, fault-tolerant replication, and near real-time query processing with multi-tenant support.

Independently observed

Elasticsearch

Leader

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

Pricing

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

Apache Solr

Open sourceFree tier
as of verify ↗

Elasticsearch

Leader
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 ↗

Platform & deployment

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

Platforms
Web
Apache Solr
Elasticsearch
Linux
Apache Solr
Elasticsearch
CLI
Apache Solr
Elasticsearch
Deployment
Cloud / SaaS
Apache Solr
Elasticsearch
Self-hosted
Apache Solr
Elasticsearch
On-premise
Apache Solr
Elasticsearch
Air-gapped
Apache Solr
Elasticsearch

Integrations

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

Apache Solr

10 total
  • Apache Lucene
  • Apache Zookeeper
  • Apache Tika
  • Docker
  • Kubernetes
  • Apache ManifoldCF
  • Apache Spark
  • Apache Nutch
  • Apache Zeppelin
  • Apache OpenNLP
Independently observed

Elasticsearch

Leader
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

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