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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
125 82.1 =
Apache Solr
163 51.4 =
Score 82.1 (best) 51.4
Release freshness 95.2 (best) 49.0
Adoption signals 69.0 (best) 53.7
Release freshness
Updated 46 days ago
Stale: 201 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
#125 overall · #2 in category
82.1/100
  1. Release freshness +47.6 95.2 × 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
#163 overall · #4 in category
51.4/100
  1. Release freshness +24.5 49.0 × 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