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Updated 1 week ago · Independent Analysis
MongoDB Atlas vs Redis Vector Store
Capability Overview
MongoDB Atlasvs Redis Vector Store
4.5G2+0.1 vs Redis Vector Store
Only in MongoDB Atlas
- ✦ Vector Search (Atlas Vector Search)
- ✦ Document Database (MongoDB)
- ✦ Full-Text Search (Lucene)
✓ Free planFrom $57/mo(cheaper)500k+ users · est. 2007
Redis Vector Storevs MongoDB Atlas
4.4G2-0.1 vs MongoDB Atlas
Only in Redis Vector Store
- ✦ HNSW vector index
- ✦ FLAT (exact) vector index
- ✦ Hybrid search (vector + filter)
✓ Free planFrom $200/mo(pricier)N/A users · est.
Quick VerdictIndependent Analysis
MongoDB Atlas and Redis Vector Store are both Vector Databases tools. MongoDB Atlas starts at $57/mo, Redis Vector Store at $200/mo. Compare features, pricing, and ratings below to find the best fit for your team.
When to Choose MongoDB Atlas vs Redis Vector Store
The question that matters: “In what situation will I regret choosing A over B after 3 months?”
Redis Vector Store Unique Strength
Real-time Semantic Search
Add vector search to an existing Redis deployment for product recommendations with sub-millisecond response times
→ Choose Redis Vector Store if this scenario applies to you. MongoDB Atlas doesn't offer a comparable solution.
Redis Vector Store Unique Strength
Chat History Retrieval
Store conversation embeddings in Redis and retrieve semantically similar past interactions for context-aware chatbot responses
→ Choose Redis Vector Store if this scenario applies to you. MongoDB Atlas doesn't offer a comparable solution.
Redis Vector Store Unique Strength
Fraud Detection
Compare transaction embeddings against known fraud patterns in real-time at low latency to flag suspicious activity during checkout
→ Choose Redis Vector Store if this scenario applies to you. MongoDB Atlas doesn't offer a comparable solution.
Redis Vector Store Unique Strength
Unified Cache and Vector Store
Combine Redis caching and vector search in one database, reducing infrastructure complexity for recommendation APIs
→ Choose Redis Vector Store if this scenario applies to you. MongoDB Atlas doesn't offer a comparable solution.
Pricing Comparison & PlansHigh· Verified May 30, 2026
MongoDB Atlas Plans
Free tier available
Free
FreeBest for: M0 shared cluster
- ✓For learning and exploring MongoDB in a cloud environment
- ✓Automatic patching
- ✓Single-click upgrades
- ✓Access to all of MongoDB's core features
View on vendor site
MOST POPULARDedicated
$57/moBest for: M10+ starting at $57/month
- ✓For production applications with sophisticated workload requirements
- ✓Fixed pricing for predictable workloads
- ✓High performance with WiredTiger storage engine
- ✓Automatic patching and single-click upgrades
- ✓Access to all of MongoDB's core features
View on vendor site
Flex
Contact Sales- ✓Pay for what you use
- ✓Granular billing for storage, compute, and IOPS
- ✓On-demand burst capacity for unpredictable traffic
- ✓Handles traffic bursts without additional fees
- ✓Automatic patching
View on vendor site
Redis Vector Store Plans
Free tier available
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
View on vendor site
MOST POPULARRedis 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)
View on vendor site
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
View on vendor site
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
View on vendor site
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
View on vendor site
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
View on vendor site
Capability Breakdown
2 differences found across 14 standardized features
Feature
MongoDB Atlas
Redis Vector Store
Open Source
✗
✓
Filtering
✓
✗
Total (raw)
16
14
MongoDB Atlas Features
- •Vector Search (Atlas Vector Search)
- •Document Database (MongoDB)
- •Full-Text Search (Lucene)
- •Hybrid Search (Vector + Text)
- •Charts & Analytics
- •Data API
- •Atlas Search
- •Triggers & Functions
- •Realm Sync
- •Global Clusters
- •ACID Transactions
- •Aggregation Pipeline
- •Change Streams
- •LangChain Integration
- •Time Series Collections
- •Multi-Cloud
Redis Vector Store 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
Strengths & Limitations
Evaluative strengths and weaknesses: not feature lists
Pros
- +Unified operational + vector database eliminates extra infrastructure
- +500k+ developers already familiar with MongoDB
- +Strong free tier and serverless option
- +Hybrid search combines vectors with full-text Lucene
Cons
- −I would say pricing is an area where MongoDB Atlas could improve.
- −There is nothing about MongoDB Atlas I would like to improve or any weak points at this time.
- −I am not an expert on what improvements could be made to MongoDB.
- −There is room for improvement in the cost of certain features like encryption.
- −From an improvement standpoint, MongoDB can improve security.
Pros
- +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
Cons
- −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.
At a Glance
User Rating
4.5/5vs4.4/5
MongoDB Atlas
▲
Redis Vector Store
Starting Price
$57/movs$200/mo
MongoDB Atlas
Redis Vector Store
▲
Feature Count
16 featuresvs14 features
MongoDB Atlas
▲
Redis Vector Store
User Base
500vs0
MongoDB Atlas
▲
Redis Vector Store
MongoDB Atlas · Price & Data SyncLast verified: May 28, 2026 · CE-DB-2026W23-EA1808 · ✓ Pricing updated May 28, 2026
Redis Vector Store · Price & Data SyncLast verified: May 30, 2026 · CE-DB-2026W23-3F94ED · ✓ Pricing updated May 30, 2026
Recent Price History
Redis Vector Store
Redis Vector Store removed the "Redis Cloud Flexible / Enterprise" plan
Plan removed · May 30, 2026
Redis Vector Store
Redis Vector Store added a new "Redis Cloud Essentials 250 MB" plan (Custom pricing)
Plan added · May 30, 2026
Redis Vector Store
Redis Vector Store removed the "Redis Cloud Fixed" plan
Plan removed · May 30, 2026
Redis Vector Store
Redis Vector Store added a new "Redis Cloud Essentials 12 GB" plan (Custom pricing)
Plan added · May 30, 2026
Redis Vector Store
Redis Vector Store removed the "Redis Stack (Self-Hosted)" plan
Plan removed · May 30, 2026
MongoDB Atlas
MongoDB Atlas added a new "Flex" plan (Custom pricing)
Plan added · May 28, 2026
MongoDB Atlas
MongoDB Atlas removed the "Serverless" plan
Plan removed · May 28, 2026
Frequently Asked Questions
Related Comparisons
MongoDB AtlasFree · from $57/mo
Redis Vector StoreFree · from $200/moSources & Data Trail · MongoDB Atlas
- 1.Official Pricing Page·Source of verified tiers(Checked: 2026-05-28)
- 2.Official Website·Official vendor website
- 3.G2·G2 verified reviews · 4.5/5 · 370 reviews
- 4.Capterra·Capterra verified reviews · 4.5/5
- 5.TrustRadius·TrustRadius verified reviews
- 6.PeerSpot·PeerSpot enterprise peer reviews
Sources & Data Trail · Redis Vector Store
- 1.Official Pricing Page·Source of verified tiers(Checked: 2026-05-30)
- 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