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Apache Solr vs OpenSearch

The best value in each numeric row is marked. Sponsorship has no effect on any of them.

Comparison of Apache Solr vs OpenSearch
Criteria Apache Solr
191 51.2 =
OpenSearch
143 82.0 =
Score 51.2 82.0 (best)
Release freshness 48.7 94.9 (best)
Adoption signals 53.7 69.0 (best)
Release freshness
Stale: 202 days without a release
Updated 47 days ago
Latest version 10.0.0 · 2026-03-033.8.0 · 2026-08-05
Pricing FreeFree
License Open sourceOpen source
Platforms
Linux ✓ ✓
API only ✓ ✓
Features
Integrations
Rank receipt: Apache Solr
#191 overall · #4 in category
51.2/100
  1. Release freshness +24.4 48.7 × 50%
  2. Adoption signals +26.9 53.7 × 50%
Data from GitHub Last sync Computed on Sponsorship weight 0%, never counted Read the full formula
Rank receipt: OpenSearch
#143 overall · #2 in category
82.0/100
  1. Release freshness +47.5 94.9 × 50%
  2. Adoption signals +34.5 69.0 × 50%
Data from GitHub Last sync Computed on Sponsorship weight 0%, never counted Read the full formula

Component values are before weighting. Read the full formula