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Databases · head to head

SingleStore vs Vespa

SingleStore logo

SingleStore

Databases

The real-time distributed SQL database for data-intensive applications

From
Free
Rated
-
Full reviewWebsite
Vespa logo

Vespa

Databases

Distributed AI search platform for retrieval, ranking, and inference

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: SingleStore high licensing costs that increase with data scale and cluster size; Vespa pricing not publicly listed, requires contacting sales
  • They diverge on capability: SingleStore covers Real-time Analytics, Vespa covers Vector search.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which SingleStore and Vespa actually diverge.

Attributes where SingleStore and Vespa differ
AttributeSingleStoreVespa
Pricing modelUnknowncontact-sales
PlatformsCloud (SingleStoreDB Cloud), Self-ManagedCloud, Self-hosted
Founded20112023

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Databases).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in SingleStore

  • Real-time Analytics
  • Fast Data Ingest
  • In-memory Processing
  • Distributed Architecture
  • MySQL Compatible
  • Columnar Storage
  • Vector Search
  • Kafka

Only in Vespa

  • Vector search
  • Text and structured search
  • Machine-learned ranking
  • Real-time serving
  • SQL interface
  • Automatic scaling
  • Open-source

What people use each for

The jobs each tool is most often brought in to do.

SingleStore

  • Transaction processingnot Vespa
  • Data storagenot Vespa
  • Application backendnot Vespa
  • Reportingnot Vespa
  • Data analyticsnot Vespa

Vespa

  • Build RAG systems with semantic search over documentsnot SingleStore
  • Power e-commerce search with ML rankingnot SingleStore
  • Create recommendation engines for personalizationnot SingleStore
  • Implement real-time search for news or feedsnot SingleStore
  • Deploy private semantic search over sensitive datanot SingleStore

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

SingleStore

  • High licensing costs that increase with data scale and cluster size
  • Eventual consistency in replication: secondary replicas may lag during high write loads
  • Complex operational setup requiring specialized knowledge for optimization
  • Vendor lock-in due to proprietary technology without open-source alternatives
  • Disorganized documentation and lack of online training resources

Vespa

  • Pricing not publicly listed, requires contacting sales
  • Steeper learning curve compared to simpler search tools
  • Operational complexity for self-hosted deployments
  • Smaller ecosystem compared to cloud-native alternatives

Pricing, plan by plan

SingleStore

Free
  • Free Tier$0.99/month
    • Usage-based pricing
    • Limited resources

Vespa

Free

No published plan breakdown. See the Vespa review.

Which should you pick?

Choose SingleStore if

  • You need real-time analytics.
  • You want to start without paying.
  • You work on Cloud (SingleStoreDB Cloud), Self-Managed.
  • You also want fast data ingest.
SingleStore review

Choose Vespa if

  • You need vector search.
  • You want to start without paying.
  • You work on Cloud, Self-hosted.
  • You also want text and structured search.
Vespa review

Questions people ask

Is SingleStore or Vespa better?
Neither clearly leads. SingleStore starts at Free and Vespa at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, SingleStore or Vespa?
SingleStore starts at Free and Vespa at Free.
Does SingleStore or Vespa run on more platforms?
SingleStore runs on Cloud (SingleStoreDB Cloud), Self-Managed. Vespa runs on Cloud, Self-hosted.
Can I use SingleStore for free?
Both have a free tier, so you can try either at no cost before committing.
What is SingleStore best used for?
SingleStore is most often used for transaction processing, data storage, application backend, reporting. Of those, transaction processing and data storage are not what Vespa is typically brought in for.
What can SingleStore do that Vespa cannot?
SingleStore covers Real-time Analytics, Fast Data Ingest, In-memory Processing, Distributed Architecture. Vespa covers Vector search, Text and structured search, Machine-learned ranking, Real-time serving.

Answered from the vendors’ own pages

SingleStore: Does SingleStore offer a free tier?

Yes, SingleStore offers a free tier starting from $0.99/month with usage-based pricing. The free tier allows developers to evaluate the platform with limited resources before scaling to production workloads.

Source
Vespa: Is Vespa open-source?

Yes, Vespa is open-source under the Apache 2.0 license. The code is available on GitHub, and you can self-host or use the managed cloud service.

Source
SingleStore: Can SingleStore handle both transactional and analytical workloads?

Yes, SingleStore is a hybrid transactional/analytical processing (HTAP) database that combines operational (OLTP) and analytical (OLAP) workloads in a single unified engine, eliminating the need for separate systems.

Source
Vespa: What latency can Vespa achieve?

Vespa is designed for sub-100 millisecond latencies with thousands of queries per second, suitable for real-time search and recommendation applications.

Source
SingleStore: Does SingleStore integrate with Apache Spark?

Yes, SingleStore provides the Spark Connector 3.0 for bidirectional data integration with Apache Spark. The connector supports SQL, Python, Scala, Java, and R for data loading and extraction.

Source
Vespa: Does Vespa support vector search?

Yes, Vespa provides native vector search capabilities alongside text, structured data, and tensor operations for building comprehensive search and AI applications.

Source
SingleStore: Can SingleStore ingest data from Kafka?

Yes, SingleStore supports high-throughput streaming ingestion from Apache Kafka and other sources, enabling millions of events per second without requiring ETL pipelines or data movement.

Source
Vespa: What is the pricing model for Vespa Cloud?

Vespa Cloud pricing is not publicly listed and requires contacting their sales team to discuss your specific use case and scale requirements.

Source
SingleStore: Is SingleStore available as cloud or self-managed?

SingleStore offers both deployment options: SingleStoreDB Cloud (managed service) and SingleStore Self-Managed for on-premises or private cloud deployments. The managed service handles infrastructure, scaling, and maintenance automatically.

Source
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