Apache Solr vs Elasticsearch
Apache Solr vs Elasticsearch, compared side by side on 14 data points: what each one does, how big it is, what it has raised, the tech running each site, and what users report. We score both out of 100 on traction, team and visibility: Apache Solr is on 17/100 and Elasticsearch on 85/100.
Where each one leads
Apache Solr
Leads on none of the measures we hold for both companies.
Elasticsearch
- our overall score: 85/100 against 17/100
- agent readiness: 38/100 against 27/100
At a glance
| Measure | Apache Solr | Elasticsearch |
|---|---|---|
| What it is | Open-source enterprise search platform built on Apache Lucene for full-text, vector, and geospatial search. | Open-source search and analytics engine for data exploration and real-time insights. |
| Category | Enterprise Search, Search Platform, Open Source, Big Data | Search Engine, Data Analytics, Log Management, Observability |
| Sells toBusiness model | B2B | B2B |
| Offering | Software | Platform |
| Founded | 2004 | 2012 |
| Headquarters | Wakefield, United States | Amsterdam, Netherlands |
| Status | Active | Active |
Size, funding and growth
| Measure | Apache Solr | Elasticsearch |
|---|---|---|
| Employees | Not published | 5,066 |
| Total funding | Not published | $104M |
| Latest round | Not published | Series C |
| LinkedIn followers | Not published | 533,425 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Apache Solr | Elasticsearch |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 17/100 | 85/100 |
| Team | 30/100 | Not published |
| Search visibility | 20/100 | Not published |
| Agent readinessHow well an AI agent can read and act on the site | F (27/100) | F (38/100) |
| Domain ratingLink authority, 0-100 | 93/100 | 90/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Apache Solr | Elasticsearch |
|---|---|---|
| Hosting | Self Managed | Google Cloud |
| CMS | Not detected | Ghost |
| Frameworks | Not detected | Next.js, Tailwind CSS, Bootstrap |
| Analytics | Matomo | Google Tag Manager |
| Open source | Yes | Yes |
| Self-hostable | Yes | Yes |
Apache Solr vs Elasticsearch: common questions
Which is better, Apache Solr or Elasticsearch?
On our 0-100 score Elasticsearch rates higher (85/100 against 17/100). The score weights traction, team, visibility and profile completeness, so it reflects company strength rather than which product suits you. We compare the two on 14 data points above: read the rows that match what you are buying for.
How do Apache Solr and Elasticsearch compare on the numbers?
Elasticsearch leads on our overall score (85/100 against 17/100), agent readiness (38/100 against 27/100).
Read the full Apache Solr review and pricing or the Elasticsearch review and pricing. You can also browse other Apache Solr alternatives we track.

