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OpenSearch vs Apache Solr

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

Comparison of OpenSearch vs Apache Solr
Criteria OpenSearch
143 82.0 =
Apache Solr
191 51.2 =
Score 82.0 (best) 51.2
Release freshness 94.9 (best) 48.7
Adoption signals 69.0 (best) 53.7
Release freshness
Updated 47 days ago
Stale: 202 days without a release
Latest version 3.8.0 · 2026-08-0510.0.0 · 2026-03-03
Pricing FreeFree
License Open sourceOpen source
Platforms
Linux ✓ ✓
API only ✓ ✓
Features
Integrations
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
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

Component values are before weighting. Read the full formula