Softwr

Developer Tools · head to head

Namespace vs Vespa

Namespace logo

Namespace

Developer Tools

The dev platform for the next 100 billion commits

From
Free
Free plan
Yes
Visit NamespaceFull review
Vespa logo

Vespa

Databases

Distributed AI search platform for retrieval, ranking, and inference

From
Free
Free plan
Yes
Visit VespaFull review

The short version

  • Namespace is a developer infrastructure platform; Vespa is an open-source distributed serving engine.
  • Vespa is free; Namespace starts at $100/mo.
  • Only Namespace lists GitHub Actions runners; only Vespa lists vector search.
  • Where Namespace falls short: developer plan is pay-as-you-go only; minimum usage unclear.
  • Where Vespa falls short: pricing not publicly listed, requires contacting sales.
  • Prices and features on this page were last checked on 29 August 2026.

Where they differ

Only the attributes on which Namespace and Vespa actually diverge.

Attributes where Namespace and Vespa differ
AttributeNamespaceVespa
PlatformsWeb, macOS, Windows, LinuxWeb, Self-hosted
CategoryDeveloper ToolsDatabases

Identical on both: starting price (Free), free tier (Yes).

Not yet recorded: pricing model for Namespace, founded for Namespace.

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 Namespace

  • Devboxes
  • GitHub Actions runners
  • Docker builds
  • Cross-invocation caching
  • NVMe storage
  • High-speed networking
  • Multiple OS support
  • Bazel and Turborepo support

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.

Namespace

  • Providing AI coding agents with cloud-based development environmentsnot Vespa
  • Accelerating CI builds with faster GitHub Actions runnersnot Vespa
  • Distributing builds across teams with managed infrastructurenot Vespa
  • Scaling development velocity for monorepo organizationsnot Vespa

Vespa

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

Where each one falls short

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

Namespace

  • Developer plan is pay-as-you-go only; minimum usage unclear
  • Team plan $100/mo is competitive but usage limits may be tight
  • Devbox pricing separate at $0.004/minute could add up quickly
  • Enterprise plan requires custom sales conversation

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

Namespace

Free
  • DeveloperFree
    • Pay-as-you-go
    • On-demand compute
    • Docker builds
  • Team$100/mo
    • 100,000 unit minutes
    • 1,000 Docker builds
    • Everything in Developer
  • Business$250/mo
    • 250,000 unit minutes
    • 2,500 Docker builds
    • Everything in Team
  • EnterpriseOn request
    • Custom compute/Docker build limits
    • Audit log export
    • Enterprise SSO

Vespa

Free

No published plan breakdown. See the Vespa review.

Which should you pick?

Choose Namespace if

  • You need devboxes.
  • You want to start without paying.
  • You work on Web, macOS, Windows, Linux.
  • You also want github actions runners.
Namespace review

Choose Vespa if

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

Questions people ask

Is Namespace or Vespa better?
Neither clearly leads. Namespace 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, Namespace or Vespa?
Namespace starts at Free and Vespa at Free.
Does Namespace or Vespa run on more platforms?
Namespace runs on Web, macOS, Windows, Linux. Vespa runs on Web, Self-hosted.
Can I use Namespace for free?
Both have a free tier, so you can try either at no cost before committing.
What is Namespace best used for?
Namespace is most often used for providing ai coding agents with cloud-based development environments, accelerating ci builds with faster github actions runners, distributing builds across teams with managed infrastructure, scaling development velocity for monorepo organizations. Of those, providing ai coding agents with cloud-based development environments and accelerating ci builds with faster github actions runners are not what Vespa is typically brought in for.
What can Namespace do that Vespa cannot?
Namespace covers Devboxes, GitHub Actions runners, Docker builds, Cross-invocation caching. Vespa covers Vector search, Text and structured search, Machine-learned ranking, Real-time serving.

Answered from the vendors’ own pages

Namespace: How is compute usage metered on the Developer plan?

Developer plan uses pay-as-you-go billing. Devboxes bill at $0.004 per minute. Storage and caching services have separate usage-based fees. A 30-day free trial is available to test usage patterns.

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
Namespace: What is the difference between Team and Business plans?

Team ($100/mo) includes 100,000 unit minutes and 1,000 Docker builds with email support. Business ($250/mo) includes 250,000 unit minutes, 2,500 Docker builds, and high concurrency with a dedicated Slack channel.

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
Namespace: Can Namespace support AI coding agents?

Yes, Namespace Devboxes are specifically designed as feature-rich development environments for AI coding agents, with full tooling and performance optimization.

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
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
Share

Related pages

More on Namespace

More on Vespa

Keep looking

Other head to heads