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pgvector vs Chroma

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

Comparison of pgvector vs Chroma
Criteria pgvector
117 82.9 =
Chroma
149 71.2 =
Score 82.9 (best) 71.2
Release freshness 93.1 (best) 67.8
Adoption signals 72.7 74.5 (best)
Release freshness
Updated 53 days ago
No release for 138 days
Latest version v0.8.6 · 2026-07-291.5.9 · 2026-05-05
Pricing FreeFree
License Open sourceOpen source
Platforms
Linux ✓ ✓
macOS ✓ ✓
Windows ✓ ✓
API only ✓ ✓
Features
Integrations
Rank receipt: pgvector
#117 overall · #3 in category
82.9/100
  1. Release freshness +46.5 93.1 × 50%
  2. Adoption signals +36.4 72.7 × 50%
Data from GitHub Last sync Computed on Sponsorship weight 0%, never counted Read the full formula
Rank receipt: Chroma
#149 overall · #4 in category
71.2/100
  1. Release freshness +33.9 67.8 × 50%
  2. Adoption signals +37.2 74.5 × 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