# Apache Solr vs Coveo

| Attribute | Apache Solr | Coveo |
|---|---|---|
| **Vioscale score** | 53.6 (40% (low)) | 57 (61% (medium)) |
| activity.commits_last_30d | 100 | - |
| adoption.dependent_repos | 0 | - |
| adoption.github_stars | 1,667 | - |
| deployment.options | `{"self_hosted":true}` | `{"cloud":true,"hybrid":true}` |
| description.long | 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. | A cloud-based search and discovery platform powered by machine learning and generative AI. It indexes content across business systems and surfaces relevant information to employees, customers, and agents through conversational experiences, improving self-service, case deflection, and product discovery. |
| 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","multi_tenancy":true,"vector_search":"hybrid_fusion","realtime_indexing":"near_real_time"}` | `{"faceting":"yes","query_dsl":"API / proprietary","deployment":"managed","geo_search":true,"distributed":"sharded","index_engine":"custom","licence_class":"proprietary","log_analytics":true,"multi_tenancy":true,"pricing_model":"tiered_cloud_consumption","vector_search":"hybrid_fusion","typo_tolerance":"built_in","deployment_model":"managed_cloud_saas","relevance_tuning":"ranking_rules","realtime_indexing":"near_real_time","generative_ai_answer_synthesis_rag":true,"bring_your_own_llm_byo_model_support":true,"hipaa_compliance_for_medical_records":true,"multi_lingual_semantic_understanding":true,"source_system_rbac_permissions_mirroring":true,"hybrid_dense_and_sparse_lexical_reranking":true,"admin_dashboard_for_search_analytics_and_gaps":true,"personalization_based_on_user_department_context":true,"pre_built_native_crawlers_for_100_plus_saas_apps":true}` |
| integrations.count | 10 | 100 |
| 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":"Sitecore"},{"name":"Salesforce"},{"name":"SAP Commerce"},{"name":"SharePoint Online"},{"name":"Google Tag Manager"},{"name":"Snowflake"},{"name":"Confluence"},{"name":"Custom ML models"},{"name":"Sitemap"},{"name":"Web connectors"},{"name":"Qubit"},{"name":"ServiceNow"},{"name":"SAP Commerce Cloud"},{"name":"Adobe Experience Manager"},{"name":"Adobe Experience Cloud Exchange"},{"name":"Slack"},{"name":"Google Docs"},{"name":"Jira"},{"name":"On-premises connectors"},{"name":"Generic cloud connectors"}]` |
| language.primary | Java | - |
| license.spdx | Apache-2.0 | - |
| market.availability | - | `{"hqCountry":"CA","primaryMarkets":["US","CA"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"linux":true}` | `{"web":true}` |
| pricing | `{"type":"open_source","freeTier":true,"sourceUrl":"https://solr.apache.org","retrievedAt":"2026-08-14T21:34:00.435Z"}` | `{"type":"subscription","plans":[{"free":false,"name":"Pro+","summary":"Contact sales for pricing. 200K queries/month.","features":["Unified index","Sitecore connector + 2 cloud connectors","Multi-site architecture","Sitecore Hive UI integration","Rules engine","Model testing & configuration","Sandbox","Recommendations","Ranking editor in Sitecore","Sitecore xDB integration","5 indexing pipelines","10 query pipelines","Synonym detection","Query correction","Typo tolerance","Fuzzy search","Geolocation search","Multilingual search","Result ranking","A/B testing","Group & campaign management","Query suggestions","Automatic re-ranking","Dynamic faceting","Facet re-ranking","Facet auto-selection","Natural language processing","Pre-configured dashboards","Custom data explorers","Data export","Sitecore xConnect data sharing","Permission filters","Sitecore Launchpad integration","10 administrator users","Single sign-on","API access","Client libraries & SDK","3-month updates acceptance","99.9% uptime SLA","5 authorized contacts"],"commitment":"annual","description":"Site search engine designed to work right inside Sitecore.","contactSales":true,"includedLimits":{"queries_per_month":"200K","upgrades_available":"True"}},{"free":false,"name":"Enterprise+","summary":"Contact sales for volume-based pricing. 300K+ queries/month.","features":["Unified index","Sitecore connector + all cloud connectors","Multi-site architecture","Sitecore Hive UI integration","Rules engine","Deep learning for advanced search","Sandbox","Recommendations","Ranking editor in Sitecore","Sitecore xDB integration","Unlimited indexing pipelines","Unlimited query pipelines","Synonym detection","Query correction","Typo tolerance","Fuzzy search","Geolocation search","Multilingual search","Result ranking","Advanced ranking rules","A/B testing","Group & campaign management","Model configurability (advanced)","Model testing","Query suggestions","Automatic re-ranking","Dynamic faceting","Facet re-ranking","Facet auto-selection","Natural language processing","Question answering","Pre-configured dashboards","Custom data explorers","Data export","Sitecore xConnect data sharing","Snowflake reader account","Permission filters","Sitecore Launchpad integration","50 administrator users","Custom SSO"],"commitment":"annual","description":"Search and recommendations with Sitecore xDB personalization and volume-based pricing.","contactSales":true,"includedLimits":{"queries_per_month":"300K+","upgrades_available":"True"}}],"addOns":[{"name":"Data replication"},{"name":"HIPAA cloud"},{"name":"On-premises connectors"},{"name":"Ecommerce Extension"}],"summary":"Contact sales for pricing. Annual contracts, available in multiple currencies (CAD, EUR, GBP, AUD). 3-year contract terms standard.","currency":"USD","freeTier":false,"sourceUrl":"https://www.coveo.com/en/pricing/sitecore-integration","retrievedAt":"2026-08-14T08:35:06.103Z","billingPeriods":["year"]}` |
| pricing.free_tier | yes | no |
| pricing.model | commercial | quote |
| pricing.price_level | free | unknown |
| pricing.transparent | yes | no |
| reliability.sla_pct | - | 99.99 |
| reliability.status_page | - | yes |
| security.disclosure_policy | yes | yes |
| security.gdpr | - | yes |
| security.hipaa | - | yes |
| security.iso27001 | - | yes |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=helm&package_name=apache-solr%2Fsolr&per_page=100","last_12m":0,"max_severity":null}` | - |

## Capabilities (Search Engines)

| Capability | Apache Solr | Coveo |
|---|:--:|:--:|
| **Deployment** |  |  |
| Deployment | Self-hosted | Managed |
| **Architecture** |  |  |
| Index engine | Lucene | Custom |
| **Query** |  |  |
| Query DSL (JSON / SQL / params / GraphQL) | HTTP REST API with JSON/XML/CSV | API / proprietary |
| Faceting & filtering | Yes | Yes |
| Geo search | ✓ | ✓ |
| **Relevance** |  |  |
| Typo tolerance / fuzzy | - | Built-in |
| Relevance tuning | - | Ranking rules |
| **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 | Proprietary |

*Source: Vioscale. Generated 2026-09-01T17:25:54.943Z. "-" = undocumented, not absent.*