Zilliz Cloud vs. OpenSearch
Compare Zilliz Cloud vs. OpenSearch by the following set of capabilities. We want you to choose the best database for you, even if it’s not us.
Zilliz Cloud vs. OpenSearch on Scalability
Yes.
Yes. At the component level (which provides more fine-grained scalability)
Yes.
Dynamic segment placement
Both
Zilliz Cloud
Zilliz Cloud is a managed vector database service powered by Milvus. Its cloud-native architecture dynamically scales to 10B+ vectors, maintaining high performance and cost-efficiency without the need for new clusters or data sharding.
OpenSearch
OpenSearch supports horizontal scaling, cluster management optimizations, and efficient shard allocation, making it suitable for handling large datasets and high query loads effectively.
Zilliz Cloud vs. OpenSearch on Functionality
Yes, Hybrid sparse and dense search, hybrid keyword and vector search, hybrid vector search and scalar filtering, multimodal search
yes, vector search & keyword search & scalar filtered search
Yes.
Cardinal (The world's first AI-based Autoindex mechanism that selects the best search strategy and index for each dataset, eliminating the need for manual tuning.), closed-source.
ANN
Zilliz Cloud
Zilliz Cloud is a managed vector database service powered by Milvus. It uses the world's first AI-based Autoindex mechanism that selects the best search strategy and index for each dataset, eliminating the need for manual tuning. It offers intelligent resource management and tiered storage capabilities to minimize expenses while maintaining superior query speeds, ensuring you never compromise performance.
OpenSearch
OpenSearch supports:
- Vectors with up to 16,000 dimensions.
- Vector generation through external libraries or directly within OpenSearch.
- Both binary and dense vectors.
- Cosine Similarity, Inner Product, and L2 Distance (Euclidean).
- Integration with multiple engines, including NMSLIB, Faiss, and Lucene, to facilitate vector indexing and searching.
Zilliz Cloud vs. OpenSearch on Purpose-built
No. Vector search is an add-on to OpenSearch.
Python, Java, JavaScript, Go, C++, and Node.js SDKs Fully supported
Java, Python, JavaScript, Go, and .Net
Zilliz Cloud vs. OpenSearch: what’s right for me?
Zilliz Cloud
Zilliz Cloud is a fully managed vector database powered by the open-source Milvus vector database.
SaaS
OpenSearch
OpenSearch is an open-source software suite for search, analytics, security monitoring, and observability applications. It is not purpose-built for vector storage and search workloads but introduces a vector search plugin to provide this capability. Amazon OpenSearch Service is an AWS-managed service for OpenSearch.
Apache 2.0