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Faiss vs Weaviate
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Free
Vector Databases
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Vector Databases
Overview
Focus
Vector Databases
Vector Databases
Product
Meta's library for efficient similarity search and clustering of dense vectors at billion-vector scale.
Weaviate is an open-source, AI-native vector database that provides vector search, hybrid search, and generative search capabilities for building context-aware AI applications at scale.
Headquarters
Menlo Park, California
Amsterdam, Netherlands
Company size
10,001+ employees
51-200 employees
Founded
2017
2019
Pricing details
Published rate
Free
Free options
Free plan
Free plan, Free trial
Source updated
Oct 29, 2026
Oct 29, 2026