Comparison

Apache Solr vs Coveo

No clear leader: Coveo (57.0) and Apache Solr (53.6) 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.

Machine formatsJSONMarkdownGraphQLor send Accept: application/json
Apache Solr54
Coveo57
Score
Vioscale score
Apache Solr54 / 100low · 40%
Coveo57 / 100medium · 61%
Pricing
Free tier
Apache Solr
Coveo
Model
Apache Solrcommercial
Coveoquote
Price level
Apache Solrfree
Coveounknown
Transparent
Apache Solr
Coveo
Integrations
Count
Apache Solr10
Coveo100
Security
Disclosure policy
Apache Solr
Coveo
Gdpr
Apache Solr
Coveo
Hipaa
Apache Solr
Coveo
Iso27001
Apache Solr
Coveo
Reliability
Sla pct
Apache Solr
Coveo99.99
Status page
Apache Solr
Coveo
Adoption
Dependent repos
Apache Solr0
Coveo
Github stars
Apache Solr1,667
Coveo
Activity
Commits last 30d
Apache Solr100
Coveo
License
Spdx
Apache SolrApache-2.0
Coveo
Language
Primary
Apache SolrJava
Coveo
Market

Capabilities

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

Deployment
Deployment
Apache SolrSelf-hosted
CoveoManaged
Architecture
Index engine
Apache SolrLucene
CoveoCustom
Query
Query DSL (JSON / SQL / params / GraphQL)
Apache SolrHTTP REST API with JSON/XML/CSV
CoveoAPI / proprietary
Faceting & filtering
Apache SolrYes
CoveoYes
Geo search
Apache Solr
Coveo
Relevance
Typo tolerance / fuzzy
Apache Solr-
CoveoBuilt-in
Relevance tuning
Apache Solr-
CoveoRanking rules
Vector
Vector / hybrid search
Apache SolrDense + lexical fusion
CoveoDense + lexical fusion
Scale
Distributed / horizontal scale
Apache SolrClustered
CoveoSharded
Multi-tenancy (indexes / collections / tenants)
Apache Solr
Coveo
Ingest
Real-time indexing
Apache SolrNear-real-time
CoveoNear-real-time
Workload
Log / analytics workload
Apache Solr-
Coveo
Licensing
Licence class
Apache SolrPermissive OSS
CoveoProprietary

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

Coveo

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.

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 ↗

Coveo

Subscription

Contact sales for pricing. Annual contracts, available in multiple currencies (CAD, EUR, GBP, AUD). 3-year contract terms standard.

  • Pro+Contact sales
    • Unified index
    • Sitecore connector + 2 cloud connectors
    • Multi-site architecture
    • Sitecore Hive UI integration
    • Rules engine
    • +35 more
  • Enterprise+Contact sales
    • Unified index
    • Sitecore connector + all cloud connectors
    • Multi-site architecture
    • Sitecore Hive UI integration
    • Rules engine
    • +35 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
Coveo
Linux
Apache Solr
Coveo
CLI
Apache Solr
Coveo
Deployment
Cloud / SaaS
Apache Solr
Coveo
Self-hosted
Apache Solr
Coveo
Hybrid
Apache Solr
Coveo

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

Coveo

20 total
  • Sitecore
  • Salesforce
  • SAP Commerce
  • SharePoint Online
  • Google Tag Manager
  • Snowflake
  • Confluence
  • Custom ML models
  • Sitemap
  • Web connectors
  • Qubit
  • ServiceNow
  • SAP Commerce Cloud
  • Adobe Experience Manager
  • Adobe Experience Cloud Exchange
  • Slack
  • Google Docs
  • Jira
  • On-premises connectors
  • Generic cloud connectors
Independently observed

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