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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
163 51.4 =
OpenSearch
125 82.1 =
Score 51.4 82.1 (best)
Release freshness 49.0 95.2 (best)
Adoption signals 53.7 69.0 (best)
Release freshness
Stale: 201 days without a release
Updated 46 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
#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
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

Component values are before weighting. Read the full formula