# Apache Solr vs Elasticsearch

**Leader by vioscaleAI score:** Elasticsearch

| Attribute | Apache Solr | Elasticsearch |
|---|---|---|
| **vioscaleAI score** | 48.6 (34% (low)) | 73 (58% (medium)) |
| activity.commits_last_30d | 100 | 100 |
| adoption.dependent_repos | 0 | 18,551 |
| adoption.github_stars | 1,685 | 78,195 |
| content.faq | `[{"answer":"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. It is indexed under Search Engines.","source":"https://solr.apache.org","question":"What is Apache Solr?","confidence":0.6},{"answer":"Apache Solr is open source, so it can be self-hosted and used at no licence cost. It is released under the Apache-2.0 licence. Pricing changes often, so verify at source before relying on it.","source":"https://solr.apache.org","question":"Is Apache Solr free to use?","confidence":0.6},{"answer":"Apache Solr supports Linux and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://solr.apache.org","question":"What platforms does Apache Solr support?","confidence":0.6},{"answer":"Yes. Apache Solr can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://solr.apache.org","question":"Can Apache Solr be self-hosted?","confidence":0.6},{"answer":"We have confirmed 10 integrations for Apache Solr, including Apache Lucene, Apache Zookeeper, Apache Tika, Docker, Kubernetes, Apache ManifoldCF, Apache Spark and Apache Nutch, plus 2 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://solr.apache.org","question":"What does Apache Solr integrate with?","confidence":0.6},{"answer":"Yes. Apache Solr is published under the Apache-2.0 licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/apache/solr","question":"Is Apache Solr open source?","confidence":0.95}]` | `[{"answer":"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. It is indexed under Search Engines.","source":"https://www.elastic.co/pricing/cloud-hosted","question":"What is Elasticsearch?","confidence":0.6},{"answer":"Elasticsearch is a paid product; published pricing starts at $99 per month. It is sold across 4 plans (Standard, Gold, Platinum and Enterprise). There is no free tier. Prices are published openly on the vendor's own pricing page. Pricing changes often, so verify at source before relying on it.","source":"https://www.elastic.co/pricing/cloud-hosted","question":"How much does Elasticsearch cost?","confidence":0.6},{"answer":"Elasticsearch supports the web, Windows, macOS, Linux and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://www.elastic.co/pricing/cloud-hosted","question":"What platforms does Elasticsearch support?","confidence":0.6},{"answer":"Yes. Elasticsearch can be deployed cloud / SaaS, on-premise and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://www.elastic.co/pricing/cloud-hosted","question":"Can Elasticsearch be self-hosted?","confidence":0.6},{"answer":"We have confirmed 32 integrations for Elasticsearch, including Slack, Jira, ServiceNow, PagerDuty, Microsoft Teams, IBM Resilient, xMatters and GitHub, plus 24 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://www.elastic.co/pricing/cloud-hosted","question":"What does Elasticsearch integrate with?","confidence":0.6},{"answer":"We have independently confirmed GDPR for Elasticsearch. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Elasticsearch not holding them. Always confirm compliance directly before you rely on it.","source":"https://www.elastic.co/trust/ai-data-faq","question":"What security certifications does Elasticsearch have?","confidence":0.7},{"answer":"Elasticsearch is available worldwide. Its primary market is the United States.","source":"https://www.elastic.co/pricing/cloud-hosted","question":"Where is Elasticsearch available?","confidence":0.75}]` |
| deployment.options | `{"cloud":true,"self_hosted":true}` | `{"cloud":true,"self_hosted":true}` |
| description.long | Apache Solr is a distributed, open-source search engine providing scalable indexing and querying with support for full-text, vector, and geospatial search. It offers features like faceting, analytics, replication, and automated failover, with deployment options including containerization via Docker and Kubernetes. | A search platform that distributes data across multiple nodes to handle large-scale indexing and retrieval through standard web APIs. |
| features.capabilities | `{"faceting":"yes","query_dsl":"HTTP REST API with JSON/XML/CSV","deployment":"self_hosted","geo_search":true,"distributed":"clustered","index_engine":"lucene","licence_class":"permissive_oss","log_analytics":true,"multi_tenancy":true,"vector_search":"hybrid_fusion","realtime_indexing":"near_real_time"}` | `{"hosting":"both","faceting":"yes","query_dsl":"ES|QL","data_model":"document","deployment":"self_hosted","geo_search":true,"distributed":"sharded","replication":true,"sql_support":true,"index_engine":"lucene","licence_class":"source_available","log_analytics":true,"managed_cloud":true,"multi_tenancy":true,"vector_search":"hybrid_fusion","typo_tolerance":"built_in","full_text_search":true,"relevance_tuning":"ltr","realtime_indexing":"near_real_time","horizontal_scaling":true}` |
| integrations.count | 10 | 350 |
| integrations.list | `[{"name":"Apache Lucene"},{"name":"Apache Zookeeper"},{"name":"Apache Tika"},{"name":"Docker"},{"name":"Kubernetes"},{"name":"Apache ManifoldCF"},{"name":"Apache Spark"},{"name":"Apache Nutch"},{"name":"Apache Zeppelin"},{"name":"Apache OpenNLP"}]` | `[{"name":"Slack"},{"name":"Jira"},{"name":"ServiceNow"},{"name":"PagerDuty"},{"name":"Microsoft Teams"},{"name":"IBM Resilient"},{"name":"xMatters"},{"name":"GitHub"},{"name":"Jina AI"},{"name":"NVIDIA AI"},{"name":"Prometheus"},{"name":"Grafana"},{"name":"AWS Bedrock"},{"name":"Sarvam AI"},{"name":"Google ADK"},{"name":"LlamaParse"},{"name":"Mistral"},{"name":"Elastic Agent"},{"name":"Beats"},{"name":"Logstash"},{"name":"Filebeat"},{"name":"Metricbeat"},{"name":"Heartbeat"},{"name":"Webhooks"},{"name":"S3"},{"name":"OpenAI","native":true,"category":"ai","direction":"bidirectional"},{"name":"Amazon Bedrock","native":true,"category":"ai","direction":"bidirectional"},{"name":"Azure OpenAI Service","native":true,"category":"ai","direction":"bidirectional"},{"name":"NVIDIA","native":true,"category":"ai","direction":"bidirectional"},{"name":"Okta","native":true,"category":"auth","direction":"inbound"},{"name":"Auth0","native":true,"category":"auth","direction":"inbound"},{"name":"AWS S3","native":true,"category":"storage","direction":"bidirectional"},{"name":"Kubernetes","native":true,"category":"infrastructure","direction":"bidirectional"},{"name":"Terraform","native":true,"category":"infrastructure","direction":"outbound"},{"name":"GitHub Copilot","native":true,"category":"ai","direction":"bidirectional"},{"name":"Anthropic","native":false,"category":"ai","direction":"bidirectional"},{"name":"LlamaIndex","category":"ai"},{"name":"Red Hat","category":"infrastructure"},{"name":"Alibaba Cloud","category":"cloud"},{"name":"IBM watsonx","category":"ai"},{"name":"Cohere","category":"ai"},{"name":"LangChain","category":"ai"},{"name":"Claude","category":"ai"}]` |
| language.primary | Java | Java |
| license.spdx | Apache-2.0 | - |
| market.availability | - | `{"primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"mac":true,"web":true,"linux":true,"windows":true}` | `{"cli":true,"mac":true,"web":true,"linux":true,"windows":true}` |
| pricing | `{"type":"open_source","sourceUrl":"https://solr.apache.org","retrievedAt":"2026-10-13T15:11:24.445Z"}` | `{"type":"subscription","plans":[{"free":false,"name":"Standard","summary":"$99/month","features":["Distributed Elasticsearch across AWS, Azure, GCP","ES|QL query language and APIs","Default monitoring and AutoOps","Alerting with detection engine","Malware prevention","Cloud security posture management","APM, logging, metrics","Synthetic monitoring (limited)","Universal Profiling","LLM observability","Limited support (3-business day response)"],"components":[{"kind":"fixed","amount":99,"period":"month","currency":"USD"}],"description":"Entry-level plan with distributed Elasticsearch across cloud providers, API access, monitoring, security alerts, and observability basics.","contactSales":false},{"free":false,"name":"Gold","summary":"$114/month","features":["All Standard features","Reporting","Third-party alerting actions","Watcher","Multi-stack monitoring","Enterprise Search","External detection notifications","Base support (business hours, 1-day response for high)"],"components":[{"kind":"fixed","amount":114,"period":"month","currency":"USD"}],"description":"Includes Standard features plus reporting, enterprise search, advanced security, and base support with business hours availability.","contactSales":false},{"free":false,"name":"Platinum","summary":"$131/month with SLA","features":["All Gold features","Machine learning (anomaly detection, supervised learning)","Vector search with ELSER and e5 models","Cross-cluster replication","Log categorization","Service maps, tail-based sampling","APM correlations","ML-powered SIEM rules","Enhanced support (24/7, 1-hour urgent response)","99.95% uptime SLA"],"components":[{"kind":"fixed","amount":131,"period":"month","currency":"USD"}],"description":"Includes Gold features plus machine learning, advanced security, vector search with ML models, semantic reranking, and 24/7 support.","contactSales":false},{"free":false,"name":"Enterprise","summary":"$184/month","features":["All Platinum features","Searchable snapshots in cold/frozen tiers","Elastic Maps Server","Cross-cluster search with ES|QL","ES|QL Data Federation (query S3 directly)","GPU inference with Elastic Inference Service","Elastic Agent Builder with LLM","AI-powered dashboard creation","Elastic Workflows (automation)","SAML SSO","AI Playground for RAG","Inference Service Management","Semantic reranking with ML models","Learn-to-Rank personalization","Storage optimization (DiskBBQ)","Attack Discovery with agentic investigation","Premium support (30-minute urgent response)","Cloud workload protection"],"components":[{"kind":"fixed","amount":184,"period":"month","currency":"USD"}],"description":"Includes Platinum features plus searchable snapshots, GPU inference, AI-driven workflows, agent building, data federation, and premium support.","contactSales":false}],"addOns":[{"name":"Synthetic Monitoring - Browser Tests","components":[{"per":{"qty":1,"unit":"test run"},"kind":"metered","amount":0.0123,"currency":"USD"}]},{"name":"Synthetic Monitoring - Lightweight Tests","components":[{"kind":"fixed","amount":28,"period":"month","currency":"USD"}]}],"summary":"From $99/month. Free 14-day trial available.","currency":"USD","freeTier":false,"sourceUrl":"https://www.elastic.co/pricing/cloud-hosted","retrievedAt":"2026-09-07T13:11:22.839Z","freeTrialDays":14,"startingPrice":{"amount":99,"period":"month","currency":"USD"},"billingPeriods":["month"]}` |
| pricing.free_tier | yes | no |
| pricing.model | open_source | commercial |
| pricing.price_level | free | high |
| pricing.starting_price | - | `{"amount":99,"currency":"USD"}` |
| pricing.transparent | yes | yes |
| release.cadence_days | - | 1 |
| release.history | - | `[{"url":"https://github.com/elastic/elasticsearch/releases/tag/v8.19.22","date":"2026-09-23T15:20:20Z","type":"stable","version":"v8.19.22"},{"url":"https://github.com/elastic/elasticsearch/releases/tag/v9.5.4","date":"2026-09-15T18:19:18Z","type":"stable","version":"v9.5.4"},{"url":"https://github.com/elastic/elasticsearch/releases/tag/v9.4.7","date":"2026-09-15T18:19:34Z","type":"stable","version":"v9.4.7"},{"url":"https://github.com/elastic/elasticsearch/releases/tag/v9.5.3","date":"2026-09-03T10:08:41Z","type":"stable","version":"v9.5.3"},{"url":"https://github.com/elastic/elasticsearch/releases/tag/v9.4.6","date":"2026-09-01T12:51:12Z","type":"stable","version":"v9.4.6"},{"url":"https://github.com/elastic/elasticsearch/releases/tag/v8.19.21","date":"2026-09-01T12:53:43Z","type":"stable","version":"v8.19.21"},{"url":"https://github.com/elastic/elasticsearch/releases/tag/v9.5.2","date":"2026-08-20T16:44:04Z","type":"stable","version":"v9.5.2"},{"url":"https://github.com/elastic/elasticsearch/releases/tag/v9.5.1","date":"2026-08-11T17:58:01Z","type":"stable","version":"v9.5.1"},{"url":"https://github.com/elastic/elasticsearch/releases/tag/v9.4.5","date":"2026-08-11T17:57:54Z","type":"stable","version":"v9.4.5"},{"url":"https://github.com/elastic/elasticsearch/releases/tag/v8.19.20","date":"2026-08-11T18:24:43Z","type":"stable","version":"v8.19.20"},{"url":"https://github.com/elastic/elasticsearch/releases/tag/v9.5.0","date":"2026-08-04T11:46:37Z","type":"stable","version":"v9.5.0"},{"url":"https://github.com/elastic/elasticsearch/releases/tag/v9.4.4","date":"2026-07-21T12:56:20Z","type":"stable","version":"v9.4.4"},{"url":"https://github.com/elastic/elasticsearch/releases/tag/v9.3.8","date":"2026-07-21T12:56:46Z","type":"stable","version":"v9.3.8"},{"url":"https://github.com/elastic/elasticsearch/releases/tag/v8.19.19","date":"2026-07-21T13:28:17Z","type":"stable","version":"v8.19.19"},{"url":"https://github.com/elastic/elasticsearch/releases/tag/v8.19.18","date":"2026-06-30T16:43:41Z","type":"stable","version":"v8.19.18"},{"url":"https://github.com/elastic/elasticsearch/releases/tag/v9.3.7","date":"2026-06-30T16:47:02Z","type":"stable","version":"v9.3.7"},{"url":"https://github.com/elastic/elasticsearch/releases/tag/v9.4.3","date":"2026-06-30T14:30:13Z","type":"stable","version":"v9.4.3"},{"url":"https://github.com/elastic/elasticsearch/releases/tag/v8.19.17","date":"2026-06-23T13:59:04Z","type":"stable","version":"v8.19.17"},{"url":"https://github.com/elastic/elasticsearch/releases/tag/v9.3.6","date":"2026-06-23T14:09:56Z","type":"stable","version":"v9.3.6"},{"url":"https://github.com/elastic/elasticsearch/releases/tag/v9.4.2","date":"2026-05-28T14:59:44Z","type":"stable","version":"v9.4.2"}]` |
| reliability.sla_pct | - | 99.95 |
| reliability.status_page | - | yes |
| security.disclosure_policy | yes | - |
| security.gdpr | - | yes |
| security.scorecard | - | 6.4 |
| security.trust_center | https://solr.apache.org/security.html | https://www.elastic.co/legal/trade-compliance |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fapache%2Fsolr&per_page=100","last_12m":0,"max_severity":null}` | `{"count":45,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=maven&package_name=org.elasticsearch%3Aelasticsearch&per_page=100","last_12m":2,"max_severity":"HIGH"}` |

## Capabilities (Search Engines)

| Capability | Apache Solr | Elasticsearch |
|---|:--:|:--:|
| **Deployment** |  |  |
| Deployment | Self-hosted | Self-hosted |
| **Architecture** |  |  |
| Index engine | Lucene | Lucene |
| **Query** |  |  |
| Query DSL (JSON / SQL / params / GraphQL) | HTTP REST API with JSON/XML/CSV | ES|QL |
| Faceting & filtering | Yes | Yes |
| Geo search | ✓ | ✓ |
| **Relevance** |  |  |
| Typo tolerance / fuzzy | - | Built-in |
| Relevance tuning | - | Learning-to-rank |
| **Vector** |  |  |
| Vector / hybrid search | Dense + lexical fusion | Dense + lexical fusion |
| **Scale** |  |  |
| Distributed / horizontal scale | Clustered | Sharded |
| Multi-tenancy (indexes / collections / tenants) | ✓ | ✓ |
| **Ingest** |  |  |
| Real-time indexing | Near-real-time | Near-real-time |
| **Workload** |  |  |
| Log / analytics workload | ✓ | ✓ |
| **Licensing** |  |  |
| Licence class | Permissive OSS | Source-available (SSPL / Elastic) |

*Source: vioscaleAI. Generated 2026-10-24T17:04:43.155Z. "-" = undocumented, not absent.*