Qdrant vs Zilliz

Side-by-side comparison of Qdrant and Zilliz: pricing, features, API access, and community ratings.

AI comparison summary

TL;DR: Qdrant prioritizes raw performance through Rust-based architecture and advanced memory optimization (up to 64x compression), making it ideal for resource-constrained or latency-critical deployments. Zilliz focuses on massive scale (hundred-billion vectors) with a unique "lakebase" architecture that separates storage from compute using S3, delivering significant cost savings for extremely large datasets while supporting broader analytics workflows beyond pure search. Choose Qdrant for performance-first applications or Zilliz when managing enormous vector collections where storage costs dominate.

Qdrant
Qdrant

High-performance vector search engine built for production-grade AI retrieval at any scale

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Zilliz
Zilliz

The Vector Lakebase for AI — real-time serving, iterative discovery, and batch analytics at hundred-billion scale

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Category
Vector databases
Vector databases
Pricing
Freemium
Freemium
Starting price
Free tier
Audience
Technical
All audiences
API available
Open source
Self-hostable
Model provider
Founded
2020
2017
Headquarters
San Francisco, USA
San Francisco, USA
Key strengths
  • ·Built entirely in Rust with SIMD for high performance
  • ·Native hybrid search (dense + sparse vectors, BM25, SPLADE++)
  • ·Efficient one-stage filtering during HNSW traversal
  • ·Advanced quantization (scalar, binary, asymmetric) reducing memory up to 64x
  • ·Billion-scale vector similarity search
  • ·Fully managed Vector Lakebase (real-time serving, iterative discovery, batch analytics)
  • ·Lake-native storage on S3 with up to 90% cost reduction
  • ·Full-spectrum search (vector, full-text, JSON, geospatial, hybrid retrieval)