Qdrant vs Weaviate

Side-by-side comparison of two AI agent tools

Short answer

  • Qdrant is growing faster: +796 GitHub stars in the last 30 days vs +152 for Weaviate.
  • Pick Qdrant for: vector similarity search engine and database written in Rust, with payload filtering and managed cloud service. Pick Weaviate for: open-source cloud-native vector database for semantic search, filtering, RAG, and reranking.

From GitHub data refreshed daily.

Qdrantopen-source

Vector similarity search engine and database written in Rust, with payload filtering and managed cloud service

Weaviateopen-source

Open-source cloud-native vector database for semantic search, filtering, RAG, and reranking

Metrics

QdrantWeaviate
Stars34.9k16.9k
Star velocity /mo796.031746031746152.06349206349208
Commits (90d)7543.8k
Releases (6m)610
Overall score0.73936321898977250.7963911805875209

Pros

  • +High-performance Rust implementation delivers fast vector operations and reliable performance under heavy loads with proven benchmarks
  • +Advanced filtering capabilities allow complex queries combining vector similarity with metadata filtering for sophisticated search scenarios
  • +Production-ready with both self-hosted and managed cloud options, including comprehensive APIs and client libraries for easy integration
  • +Unified query interface that combines vector similarity search with structured filtering and RAG capabilities
  • +Multiple deployment options including Docker, Kubernetes, cloud services, and major cloud marketplaces (AWS, GCP)
  • +Enterprise-ready with built-in multi-tenancy, replication, RBAC authorization, and integration with popular ML model providers

Cons

  • -Specialized focus on vector operations means additional tools needed for traditional database operations and non-vector data storage
  • -Requires understanding of vector embeddings and similarity search concepts, creating a learning curve for teams new to vector databases
  • -Requires understanding of vector embeddings and semantic search concepts for optimal implementation
  • -May involve complexity overhead for simple use cases that don't require vector search capabilities

Use Cases

  • •Semantic search applications that need to find similar documents, images, or content based on meaning rather than exact keywords
  • •Recommendation systems that match user preferences with product catalogs or content libraries using neural network embeddings
  • •Neural network-based matching for applications like duplicate detection, content classification, or similarity-based grouping
  • •Building RAG (Retrieval-Augmented Generation) systems for AI chatbots and knowledge bases
  • •Implementing semantic and image search functionality for content discovery applications
  • •Creating recommendation engines that understand content similarity beyond keyword matching

FAQ

Which is more popular, Qdrant or Weaviate?
Qdrant has more GitHub stars (34,908 vs 16,861).
Which is more actively developed, Qdrant or Weaviate?
Weaviate had more commits in the last 90 days (3,786 vs 754).
Should I use Qdrant or Weaviate?
Compare their capabilities, limitations and "best for" notes above. Both are open source, so trying each on a small task is the fastest way to decide.