Comparison

Coveo vs OpenSearch

No clear leader: OpenSearch (54.3) and Coveo (51.7) 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.

Coveo full profile →OpenSearch full profile →

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.

Coveo52

OpenSearch54

Attribute comparison across 2 tools
Attribute	Coveo	OpenSearch
vioscaleAI score	52 / 100medium · 59%	54 / 100low · 47%
Pricing
Free tierpricing.free_tier	✗	✓
Modelpricing.model	quote	open_source
Price levelpricing.price_level	unknown	free
Transparentpricing.transparent	✗	✓
Integrations
Countintegrations.count	4	1
Security
Disclosure policysecurity.disclosure_policy	✓	✓
Gdprsecurity.gdpr	✓	-
Hipaasecurity.hipaa	✓	-
Iso27001security.iso27001	✓	-
Trust centersecurity.trust_center	https://www.coveo.com/en/company/careers/open-positions/administration/finances/manager-financial-reporting-compliance/8602505002	-
Vulnerabilitiessecurity.vulnerabilities	-	Count: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=maven&package_name=org.opensearch.client%3Aopensearch-rest-high-level-client&per_page=100 · Last 12m: 0
Reliability
Sla pctreliability.sla_pct	99.99	-
Status pagereliability.status_page	✓	-
Adoption
Dependent reposadoption.dependent_repos	-	223
Github starsadoption.github_stars	-	13,873
Activity
Commits last 30dactivity.commits_last_30d	-	100
Release
Cadence daysrelease.cadence_days	-	29
Historyrelease.history	-	20 items
License
Spdxlicense.spdx	-	Apache-2.0
Language
Primarylanguage.primary	-	Java
Market
Availabilitymarket.availability	Available worldwide	-
Content
Faqcontent.faq	6 items	5 items

Score

vioscaleAI score

Coveo52 / 100medium · 59%

OpenSearch54 / 100low · 47%

Pricing

Free tier

Coveo✗

OpenSearch✓

Model

Coveoquote

OpenSearchopen_source

Price level

Coveounknown

OpenSearchfree

Transparent

Coveo✗

OpenSearch✓

Integrations

Count

Coveo4

OpenSearch1

Security

Disclosure policy

Coveo✓

OpenSearch✓

Gdpr

Coveo✓

OpenSearch–

Hipaa

Coveo✓

OpenSearch–

Iso27001

Coveo✓

OpenSearch–

Trust center

Coveohttps://www.coveo.com/en/company/careers/open-positions/administration/finances/manager-financial-reporting-compliance/8602505002

OpenSearch–

Vulnerabilities

Coveo–

OpenSearchCount: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=maven&package_name=org.opensearch.client%3Aopensearch-rest-high-level-client&per_page=100 · Last 12m: 0

Reliability

Sla pct

Coveo99.99

OpenSearch–

Status page

Coveo✓

OpenSearch–

Adoption

Dependent repos

Coveo–

OpenSearch223

Github stars

Coveo–

OpenSearch13,873

Activity

Commits last 30d

Coveo–

OpenSearch100

Release

Cadence days

Coveo–

OpenSearch29

History

Coveo–

OpenSearch20 items

License

Spdx

Coveo–

OpenSearchApache-2.0

Language

Primary

Coveo–

OpenSearchJava

Market

Availability

CoveoAvailable worldwide

OpenSearch–

Content

Faq

Coveo6 items

OpenSearch5 items

Capabilities

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

Capability comparison for Search Engines
Capability	Coveo	OpenSearch
Deployment
Deployment	Managed	Self-hosted
Architecture
Index engine	Custom	-
Query
Query DSL (JSON / SQL / params / GraphQL)	API / proprietary	SQL, PPL
Faceting & filtering	Yes	-
Geo search	✓	✗
Relevance
Typo tolerance / fuzzy	Built-in	-
Relevance tuning	Ranking rules	BM25 only
Vector
Vector / hybrid search	Dense + lexical fusion	Dense + lexical fusion
Scale
Distributed / horizontal scale	Sharded	Sharded
Multi-tenancy (indexes / collections / tenants)	✓	✓
Ingest
Real-time indexing	Near-real-time	Near-real-time
Workload
Log / analytics workload	✓	✓
Licensing
Licence class	Proprietary	Source-available (SSPL / Elastic)

Deployment

CoveoManaged

OpenSearchSelf-hosted

Architecture

Index engine

CoveoCustom

OpenSearch-

Query

Query DSL (JSON / SQL / params / GraphQL)

CoveoAPI / proprietary

OpenSearchSQL, PPL

Faceting & filtering

CoveoYes

OpenSearch-

Geo search

Coveo✓

OpenSearch✗

Relevance

Typo tolerance / fuzzy

CoveoBuilt-in

OpenSearch-

Relevance tuning

CoveoRanking rules

OpenSearchBM25 only

Vector

Vector / hybrid search

CoveoDense + lexical fusion

OpenSearchDense + lexical fusion

Scale

Distributed / horizontal scale

CoveoSharded

OpenSearchSharded

Multi-tenancy (indexes / collections / tenants)

Coveo✓

OpenSearch✓

Ingest

Real-time indexing

CoveoNear-real-time

OpenSearchNear-real-time

Workload

Log / analytics workload

Coveo✓

OpenSearch✓

Licensing

Licence class

CoveoProprietary

OpenSearchSource-available (SSPL / Elastic)

What each one is

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

Coveo

A search and discovery platform that uses machine learning to understand user intent, personalize search results, and deliver content recommendations. It integrates with content management systems and AI assistants through hosted services.

Independently observed

OpenSearch

An Apache 2.0-licensed, vendor-neutral search and analytics platform that enables indexing, searching, visualization, and analysis of data across applications and infrastructure.

Independently observed

Pricing

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

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 2026-08-14verify ↗

OpenSearch

Open source

as of 2026-10-15verify ↗

Platform & deployment

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

Platform and deployment support comparison
Supports	Coveo	OpenSearch
WebPlatforms	✓	✓
Cloud / SaaSDeployment	✓	✗
Self-hostedDeployment	✗	✓

Platforms

Web

Coveo✓

OpenSearch✓

Deployment

Cloud / SaaS

Coveo✓

OpenSearch✗

Self-hosted

Coveo✗

OpenSearch✓

Integrations

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

Coveo

23 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
ChatGPT
Claude
Copilot

Independently observed

OpenSearch

1 total

Data Prepper

Independently observed

Still deciding?

Coveo or OpenSearch: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

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