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Vector Database
Methodology

Qdrant vs pgvector

QDQdrantvsPGpgvector
Qdrantpgvector
36%
64%

Leading: pgvector (63.6%)

Insufficient data
This matchup has 11 decisive cases (minimum 30 required for publication).

Statistics

MetricValue
Qdrant wins4
pgvector wins7
Abstains (no tool)1
Other tool chosen281
Decisive cases11
Qdrant win rate (unweighted)36.4%
95% CI15.2% - 64.6%
Qdrant win rate (weighted)36.4%

Comments

Qdrant

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pgvector

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Per-model breakdown

ModelTierQdrantpgvectorNoneOtherA rate
Claude Opus 4.8Frontier150917%
Mistral Small 4Mid02070%
DeepSeek V4 FlashMid10014100%
DeepSeek V4 ProFrontier10014100%
GPT 5.4 MiniMid10014100%
Claude Haiku 4.5Small00015n/a
Claude Sonnet 4.6Frontier00015n/a
DeepSeek R1 0528Frontier00114n/a
Devstral 2 2512Mid00015n/a
Gemini 2.5 ProFrontier00015n/a
Gemini 3.5 FlashSmall00015n/a
GLM 5.2Frontier00014n/a
GPT 5.3 CodexFrontier00015n/a
GPT 5.5Frontier00015n/a
Kimi K2.7 CodeFrontier00015n/a
Llama 4 MaverickFrontier00015n/a
Llama 4 ScoutSmall00015n/a
MiMo V2.5 ProFrontier00015n/a
MiniMax M3Frontier00015n/a
Qwen3 Coder NextMid00015n/a

Per-prompt breakdown

PromptTierQdrantpgvectorNoneOtherA rate
ai-agent-applicationAdvanced2508929%
ai-agent-applicationIntermediate2119367%
ai-agent-applicationBeginner010990%