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
243 53.7 =
OpenSearch
183 73.8 =
Score 53.7 73.8 (best)
Release freshness 35.2 81.5 (best)
Adoption signals 53.7 69.0 (best)
Release freshness
Stale: 247 days without a release
No release for 92 days
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
#243 overall · #4 in category
53.7/100
  1. Platform readiness +28.0 70.0 × 40%
  2. Release freshness +12.3 35.2 × 35%
  3. Adoption signals +13.4 53.7 × 25%
Data from GitHub Last sync Computed on Sponsorship weight 0%, never counted Read the full formula
Rank receipt: OpenSearch
#183 overall · #2 in category
73.8/100
  1. Platform readiness +28.0 70.0 × 40%
  2. Release freshness +28.5 81.5 × 35%
  3. Adoption signals +17.2 69.0 × 25%
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