Apache Solr

Input—per 1M tokens

Output—per 1M tokens

Context—tokens

WeightsClosed

About

Apache Solr is ranked #9 of 31 in spatial databases on Inferse. It runs on API, Linux, macOS, Self-hosted, Windows. There is a free plan.

Compared on spatial databases

Free plan: Yessolr.apache.org
Primary search mode: hybridsolr.apache.org
Vector search: Yessolr.apache.org
Faceted search: Yessolr.apache.org
Deployment: self-hostedsolr.apache.org
Query interface: RESTsolr.apache.org

Facts

Search platform: Solr is an open-source, multimodal search platform built on Apache Lucene’s full-text, vector, and geospatial search capabilities.solr.apache.org · 4 Oct 2026
Indexing and queries: Solr accepts documents as JSON, XML, CSV, or binary over HTTP and returns query results in those formats.solr.apache.org · 4 Oct 2026
Full-text search: Solr supports matching capabilities including phrases, wildcards, joins, and grouping.solr.apache.org · 4 Oct 2026
Distributed scale: Solr provides distributed indexing, replication, load-balanced querying, automated failover, and recovery.solr.apache.org · 4 Oct 2026
Discovery features: Solr supports faceting, autocomplete, spelling suggestions, hit highlighting, and search results clustering.solr.apache.org · 4 Oct 2026
Rich content: Solr integrates Apache Tika to extract and process rich content such as PDF and Microsoft Word documents.solr.apache.org · 4 Oct 2026
Administration: Solr includes a responsive administrative interface for controlling instances and inspecting cluster state, logs, threads, and metrics.solr.apache.org · 4 Oct 2026
Security features: Solr lists SSL, authentication, and role-based authorization as built-in security capabilities.solr.apache.org · 4 Oct 2026
Downloads and support limits: Solr releases are not scheduled in advance; older versions below 9.10 are end of life and will not receive further updates.solr.apache.org · 4 Oct 2026
Community support: The Solr community provides free user support through its users mailing list and other listed channels.solr.apache.org · 4 Oct 2026
Intended users: The project describes Solr as suitable for global enterprises and weekend projects, and says it powers heavily trafficked websites and applications.solr.apache.org · 4 Oct 2026
License: Apache Solr is licensed under the Apache License, Version 2.0.solr.apache.org · 4 Oct 2026