Redis Vector Store vs Weaviate

- ✦ HNSW vector index
- ✦ FLAT (exact) vector index
- ✦ Hybrid search (vector + filter)

- ✦ Open Source (Apache 2.0)
- ✦ Hybrid Search (BM25 + Vector)
- ✦ Multimodal Support
Redis Vector Store and Weaviate are both Vector Databases tools. Redis Vector Store starts at $200/mo, Weaviate at $45/mo. Compare features, pricing, and ratings below to find the best fit for your team.
When to Choose Redis Vector Store vs Weaviate
The question that matters: “In what situation will I regret choosing A over B after 3 months?”
Add vector search to an existing Redis deployment for product recommendations with sub-millisecond response times
Weaviate's multi2vec module indexes text and image objects in the same collection, enabling cross-modal search where a text query returns images and vice versa without separate pipelines.
Combine Redis caching and vector search in one database, reducing infrastructure complexity for recommendation APIs
Weaviate's structured schema enforces data types on vector objects, enabling filtered vector search that combines nearest neighbor with exact property matches and reducing false positives in metadata-sensitive retrieval.
Store conversation embeddings in Redis and retrieve semantically similar past interactions for context-aware chatbot responses
Compare transaction embeddings against known fraud patterns in real-time at low latency to flag suspicious activity during checkout
Weaviate's Generative Search module passes retrieved objects directly to an LLM within the same query, cutting latency by eliminating a separate LLM API call for RAG retrieval-generation pipelines.
Pricing Comparison & PlansHigh· Verified Jul 8, 2026
Redis Cloud Free
FreeBest for: Ideal for testing, development, and small projects to explore Redis capabilities without cost.
- ✓Learning and building test projects
- ✓Enough space to learn Redis concepts
- ✓Develop application prototypes
- ✓Cost-efficient for low-throughput scenarios
Redis Cloud Pro
$200/moBest for: Starting at $200/mo, this plan offers advanced features, high availability, and scalability for production-grade workloads.
- ✓Dedicated VPC infrastructure
- ✓Multi-AZ high availability (optional)
- ✓99.999% uptime SLA
- ✓Active-Active replication (CRDT-based multi-region writes across up to 10 regions)
- ✓Auto-tiering (automatic hot/cold data separation to SSD storage)
Redis Cloud Essentials 250 MB
Contact SalesBest for: Suitable for small-scale applications requiring dedicated resources and predictable performance
- ✓High availability
- ✓Daily backups
- ✓Instant backups
- ✓Suitable for bigger projects or production environments
- ✓Cost-efficient for low-throughput scenarios
Redis Cloud Essentials 1 GB
Contact SalesBest for: Good for growing applications needing more memory and dedicated resources
- ✓High availability
- ✓Daily backups
- ✓Instant backups
- ✓Suitable for bigger projects or production environments
- ✓Cost-efficient for low-throughput scenarios
Redis Cloud Essentials 2.5 GB
Contact SalesBest for: Designed for medium-sized applications with moderate data storage and performance requirements
- ✓High availability
- ✓Daily backups
- ✓Instant backups
- ✓Suitable for bigger projects or production environments
- ✓Cost-efficient for low-throughput scenarios
Redis Cloud Essentials 5 GB
Contact SalesBest for: A robust option for larger applications demanding significant memory and consistent performance
- ✓High availability
- ✓Daily backups
- ✓Instant backups
- ✓Suitable for bigger projects or production environments
- ✓Cost-efficient for low-throughput scenarios
Open-Source
Open SourceBest for: Good for self-hosting and full control over your vector database
- ✓Full feature access
- ✓Control over infrastructure
- ✓Self-hosted deployment
- ✓BSD-3 license
Sandbox
FreeBest for: Ideal for testing and development without commitment
- ✓Managed cloud
- ✓Learning and prototyping
- ✓2,000 requests/day limit
- ✓14-day trial
Flex
$45/moBest for: Prototypes, pilots, small use cases
- ✓Entry-level managed tier
- ✓Shared multi-tenant infrastructure
- ✓Pay-as-you-go pricing
- ✓99.5% SLA
- ✓Self-service scaling
Capability Breakdown
3 differences found across 14 standardized features
- •HNSW vector index
- •FLAT (exact) vector index
- •Hybrid search (vector + filter)
- •In-memory storage
- •Sub-millisecond latency
- •Redis Cloud managed service
- •Python/Node.js/Java SDKs
- •LangChain/LlamaIndex integration
- •Horizontal scaling via Redis Cluster
- •RDB and AOF persistence
- •Multi-tenancy via keyspaces
- •REST API (Redis Cloud)
- •Vector distance metrics (L2, IP, Cosine)
- •Metadata filtering
- •Open Source (Apache 2.0)
- •Hybrid Search (BM25 + Vector)
- •Multimodal Support
- •GraphQL API
- •REST API
- •gRPC API
- •Built-in Vectorizers (OpenAI, Cohere, etc.)
- •Generative Search
- •Multi-tenancy
- •Modules Architecture
- •Kubernetes Deployment
- •Schema Management
- •Batch Import
- •Cross-References (Graph)
- •Python/JS/Go SDKs
- •LangChain Integration
Strengths & Limitations
Evaluative strengths and weaknesses: not feature lists
- +Sub-millisecond vector search latency for applications already using Redis
- +No new database to manage if Redis is already in your stack
- +HNSW index delivers high recall with low query latency at moderate scale
- −There are some points where I feel Redis can be improved.
- −There are a few areas where Redis could improve.
- −Redis could improve its efficiency in handling locally stored data, not just Amazon Cloud or Google Cloud.
- −Redis presents a single point of failure and lacks fault tolerance.
- −The product's main purpose is caching, even though the vendor says we can also use it as a persistent database.
- +Open source with managed cloud option gives deployment flexibility
- +Built-in vectorizers reduce pipeline complexity
- +Knowledge graph cross-references unique in category
- +Active community and excellent documentation
- −GraphQL API has steeper learning curve
- −Performance benchmarks trail Qdrant at very high scale
At a Glance
Recent Price History
Redis Vector Store removed the "Redis Cloud Flexible / Enterprise" plan
Plan removed · May 30, 2026
Redis Vector Store added a new "Redis Cloud Essentials 250 MB" plan (Custom pricing)
Plan added · May 30, 2026
Redis Vector Store removed the "Redis Cloud Fixed" plan
Plan removed · May 30, 2026
Redis Vector Store added a new "Redis Cloud Essentials 12 GB" plan (Custom pricing)
Plan added · May 30, 2026
Redis Vector Store removed the "Redis Stack (Self-Hosted)" plan
Plan removed · May 30, 2026
Frequently Asked Questions
Related Comparisons
Sources & Data Trail · Redis Vector Store
- 1.Official Pricing Page·Source of verified tiers(Checked: 2026-07-08)
- 2.Official Website·Official vendor website
- 3.G2·G2 verified reviews · 4.4/5
- 4.TrustRadius·TrustRadius verified reviews
- 5.PeerSpot·PeerSpot enterprise peer reviews
Sources & Data Trail · Weaviate
- 1.Official Pricing Page·Source of verified tiers(Checked: 2026-07-08)
- 2.Official Website·Official vendor website
- 3.G2·G2 verified reviews · 4.6/5 · 29 reviews
- 4.TrustRadius·TrustRadius verified reviews
- 5.PeerSpot·PeerSpot enterprise peer reviews
