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Redis Vector

Redis Vector

TraditionalIn-Memory

Sub-millisecond vector search in memory

CategorytraditionalLanguageCLicenseRedis Source Available LicenseWebsiteredis.io

About Redis Vector

Redis Vector extends Redis with vector similarity search capabilities, enabling real-time semantic search with extremely low latency. Because Redis operates in memory, it provides fast query performance suitable for latency-sensitive applications such as AI assistants, recommendation engines, and real-time personalization. Redis Vector integrates vector search with Redis's existing data structures, allowing developers to build fast, scalable AI applications.

Key features

Sub-millisecond latency
In-memory vector index
HNSW & FLAT algorithms
Hybrid vector + tag filtering
Redis Stack modules
Redis Enterprise Cloud

Pricing

Open SourceFree
Redis Stack
Cloud (Free)$0
30MB
Cloud (Essentials)From $5/mo
 
EnterpriseCustom
 

Common use cases

Real-time recommendations
Chatbot session memory
Low-latency semantic search
Caching + similarity

Common questions about Redis Vector

How do I add vector search to Redis Vector?

Redis Vector includes vector search capabilities through extensions or built-in features. Check the official documentation for installation and configuration instructions.

Should I use Redis Vector for vector search?

If you're already using Redis Vector, adding vector search can be simpler than introducing a new database. However, dedicated vector databases may offer better performance and features at scale.

What are the main use cases for Redis Vector?

Redis Vector is commonly used for real-time recommendations, chatbot session memory, low-latency semantic search, and similar applications requiring semantic similarity search.

Does Redis Vector integrate with popular AI tools?

Most vector databases integrate with LangChain, LlamaIndex, and popular embedding providers. Check the Redis Vector documentation for specific integration guides and examples.

Comparisons featuring Redis Vector

Not sure if Redis Vector is right for you?

Compare it side-by-side with other vector databases to find the best fit for your project.