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  5. Apache Solr

Apache Solr logo

Apache Solr Pricing

lucene.apache.org · Site Search · refreshed 2026-05-06
Site Search
Quick answer

Apache Solr offers a free tier; paid plans contact sales. 1 tier total including a free tier.

Page fetched 2026-05-09 · lucene.apache.org · Tier-based subscription
Apache Solr pricing page screenshot — https://lucene.apache.org/solr/
Source · live pricing page on 2026-05-06

lucene.apache.org/solr/

Open
Pricing
Apache Solr pricing
As of 2026-05-09 · lucene.apache.org/solr/
Free
Free
Open live pricing pageSee agent-readiness analysis
Frequently asked
Apache Solr pricing FAQ

Apache Solr is free to download and use with no paid plans; there is no monthly or annual charge.

Apache Solr's cheapest business-usable plan is Free at $0/mo. Open source software can be used at no cost.

Yes — Apache Solr publishes a free tier. Open source Apache License 2.0.

Yes — Apache Solr's purchase motion is self-serve. No demo is required.

xpay scored Apache Solr as agent-ready: every advertised plan is self-serve with public pricing. Apache Solr's pricing page did not render numeric tier data on the scoring date. No per-unit price was found on the page; an agent has no direct way to estimate the cost of a single task. All advertised paths route to a sales conversation rather than a self-serve checkout. No public API documentation URL was discovered. For the full purchase simulation see the linked Agent-Ready Index scorecard.

In the Site Search category, xpay's Agent-Ready Index lists alternatives ranked by their ability to support AI agent purchase. Visit the agent-readiness scorecard for Apache Solr to compare with 3 nearest peers.

Alternatives in Site Search
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Browse all Site Search alternatives →
AI agent readiness
Can an AI agent buy from Apache Solr?
Not Agent-Ready Yet

42

/ 100 in xpay's Agent-Ready SaaS Index

Apache Solr scores 42/100 on xpay's Agent-Ready Index v2: partial pricing visibility; checkout requires assistance; a free entry path exists.

See the full scorecardIncludes the 6-step agent purchase simulation, score breakdown across 7 dimensions, and the one-line fix that would lift Apache Solr into the Agent-Ready Verified band.
Quick facts
At a glance
Free access

Open source Apache License 2.0

Billing cycle

Not advertised

Lowest paid

Sales-led

Self-serve checkout

No

Tier count

1

Pricing model

Tier-based subscription

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Apache Solr pricing summary derived from a live read of https://lucene.apache.org/solr/ on 2026-05-06. For the agent-readiness assessment — including the 6-step purchase simulation and a per-dimension scorecard — see xpay's Agent-Ready SaaS Index entry for Apache Solr.

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