Vector DBs · week of Apr 13, 2026

Vector DBs leaderboard

Scores are shown as X/100 · #N of M. WoW delta compares this week to the previous completed run.

#BrandScoreWoW
1Weaviate
85.0/100
#1 of 5
—
2Pinecone
71.0/100
#2 of 5
—
3Qdrant
69.0/100
#3 of 5
—
4pgvector
66.0/100
#4 of 5
—
5Chroma
61.0/100
#5 of 5
—

Brand × engine breakdown

Each cell shows mention count in this category and average rank when present.

BrandPPLXGPTCLDGEMDSK
Weaviate3 · #2.75 · #1.85 · #2.84 · #1.55 · #2.0
Pinecone3 · #3.53 · #1.73 · #2.73 · #2.02 · #1.0
Qdrant4 · #1.01 · #2.04 · #3.82 · #2.54 · #3.5
pgvector3 · #5.01 · #1.05 · #4.63 · #2.72
Chroma2 · #4.53 · #4.33 · #4.31 · #3.04 · #3.5

Prompt wins and gaps

Winning prompts are 5/5 engine hits. Losing prompts are 0/5 (or lowest coverage fallback).

Weaviate

85.0/100 · #1 of 5
Winning prompts (5/5 engines)
  • Best vector database for a RAG application
  • Open-source vector database for self-hosting
  • Pinecone alternative with predictable pricing
Losing prompts (0/5 engines)
  • Vector search engine that integrates with Postgres
  • Serverless vector database for AI search at low cost
  • Best vector database for a RAG application

Pinecone

71.0/100 · #2 of 5
Winning prompts (5/5 engines)
  • Best vector database for a RAG application
  • Serverless vector database for AI search at low cost
Losing prompts (0/5 engines)
  • Pinecone alternative with predictable pricing

Qdrant

69.0/100 · #3 of 5
Winning prompts (5/5 engines)
  • Pinecone alternative with predictable pricing
Losing prompts (0/5 engines)
  • Vector search engine that integrates with Postgres

pgvector

66.0/100 · #4 of 5
Winning prompts (5/5 engines)
  • Vector search engine that integrates with Postgres
Losing prompts (0/5 engines)
  • Open-source vector database for self-hosting
  • Best vector database for a RAG application
  • Serverless vector database for AI search at low cost

Chroma

61.0/100 · #5 of 5
Winning prompts (5/5 engines)
  • Best vector database for a RAG application
Losing prompts (0/5 engines)
  • Vector search engine that integrates with Postgres