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Pinecone vs. Milvus: Picking the Right Vector Database for You

ยท 3 min read

The rise of machine learning applications has created a demand for efficient storage and retrieval of high-dimensional data called vectors. Vector databases address this need by enabling lightning-fast similarity searches, crucial for tasks like image retrieval and recommendation systems.

Pinecone and Milvus are two leading vector databases, each catering to different user preferences. This article explores their key differences to help you make an informed decision.

Key Differences

Here's a table summarizing the key features of Pinecone, Milvus, and a newcomer, SvectorDB:

FeatureMilvusPineconeSvectorDB
Open SourceYesNoNo
Deployment OptionsSelf-hosted, ManagedManaged, ServerlessServerless
PricingPer ServerPer Server, Data ScannedPer Query
Data ConsistencyEventualEventualStrong (Immediate)
Framework IntegrationStrongStrongLimited
Best Use CaseSelf-hosting, Fixed Costs"Enterprise" FeaturesFrequent Updates, Cost-Effective Production APIs

Let's dive deeper:

  • Deployment: Milvus offers both self-hosted and managed deployment options, giving you control if needed but also allowing for a managed approach. Pinecone and SvectorDB are serverless, eliminating infrastructure management burdens.

  • Pricing: Milvus charges per server, making it ideal for fixed workloads. Pinecone has a hybrid model, charging based on pods or data scanned, which might be better for bursty workloads. SvectorDB charges per query, a great option for applications with variable query volume.

  • Data Consistency: Milvus and Pinecone offer eventual consistency, meaning updates might not be reflected immediately. SvectorDB provides strong consistency, guaranteeing immediate updates.

  • Framework Integration: Milvus and Pinecone have wider community support for popular frameworks, simplifying integration.

Choosing the Right Tool

  • Milvus: Ideal for control over deployment, predictable workloads, or fixed cost needs.
  • Pinecone: Choose Pinecone for ease of use, "enterprise-grade" features, or bursty workloads.
  • SvectorDB: Opt for SvectorDB if you need real-time data consistency, frequent updates, or a cost-effective solution for production APIs with variable query volume.

Ultimately, the best vector search engine depends on your specific needs. This comparison table and breakdown should help you narrow down your options and choose the one that best aligns with your project requirements and priorities.

Price Comparison Calculator

Queries per month

Writes per month

Vector Dimension

Vectors Stored

SvectorDB

$7.25/m

Pinecone

$83.44/m

SvectorDB calculations
FeatureAmountUnitsCostTotal
Queries1m1 Read Operation$5 / million$5.00
Writes100k1 Write Operation$20 / million$2.00
Storage500k vectors~1.018 GB$0.25 / GB$0.25
$7.25
Pinecone calculations
FeatureAmountUnitsCostTotal
Queries*1m10 Read Units$8.25 / million$82.50
Writes100k3 Write Units$2.00 / million$0.60
Storage500k vectors~1.018 GB$0.33 / GB$0.34
$83.44

* Fetching 32 nearest neighbours and returning metadata

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