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Blacksmith vs React

Blacksmith logo

Blacksmith

Developer Tools

2x faster GitHub Actions with 60% cost savings

From
Free
Free plan
Yes
Full reviewWebsite
React logo

React

Web Development

A JavaScript library for building user interfaces

From
Free
Free plan
Yes
Full reviewWebsite

The short version

  • Each has a real cost: Blacksmith per-minute pricing model requires estimating usage to predict costs; React jSX requires a build step using Webpack, Babel, or other transpilers to convert to browser-executable JavaScript
  • They diverge on capability: Blacksmith covers Bare metal runners, React covers Component-based architecture.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Blacksmith and React actually diverge.

Attributes where Blacksmith and React differ
AttributeBlacksmithReact
Pricing modelUnknownfree
PlatformsGitHub Actions, Linux, Windows, macOSWeb, Mobile
CategoryDeveloper ToolsWeb Development
FoundedUnknown2013

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

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 Blacksmith

  • Bare metal runners
  • Multiple OS support
  • ARM support
  • Docker layer caching
  • Sticky disks
  • GitHub Actions observability
  • Free tier
  • Static IPs

Only in React

  • Component-based architecture
  • Virtual DOM
  • JSX syntax
  • Unidirectional data flow
  • React Hooks
  • Server-side rendering
  • Hot reloading
  • Developer tools

What people use each for

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

Blacksmith

  • Replacing GitHub Actions runners with faster, cheaper infrastructurenot React
  • Accelerating CI build times for organizations with heavy CI loadnot React
  • Reducing cloud spend on GitHub Actions by 60% or morenot React
  • Supporting ARM architecture builds without GitHub runnersnot React

React

  • Web application developmentnot Blacksmith
  • Single-page applicationsnot Blacksmith
  • Interactive user interfacesnot Blacksmith
  • Mobile app developmentnot Blacksmith
  • Component librariesnot Blacksmith

Where each one falls short

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

Blacksmith

  • Per-minute pricing model requires estimating usage to predict costs
  • macOS M4 pricing ($0.08/min) is significantly higher than GitHub Actions
  • Docker layer caching and sticky disks are paid add-ons at $0.50/GB/mo
  • Static IP add-on costs $100/IP/mo

React

  • JSX requires a build step using Webpack, Babel, or other transpilers to convert to browser-executable JavaScript
  • Routing and state management are separate dependencies, not included in core library
  • Configuration complexity for advanced features like server-side rendering without a meta-framework
  • Requires choosing and configuring build tools and development environment setup

Pricing, plan by plan

Blacksmith

Free
  • Ubuntu x64$0.004/minute
    • 3,000 free minutes per month
    • 2x faster hardware
    • 4x faster cache downloads
  • Ubuntu ARM$0.0025/minute
    • 3,000 free minutes per month
    • 2x faster hardware
    • 4x faster cache downloads
  • Windows x64$0.008/minute
    • 3,000 free minutes per month
    • 2x faster hardware
    • 4x faster cache downloads
  • macOS M4$0.08/minute
    • 3,000 free minutes per month
    • 2x faster hardware
    • 4x faster cache downloads

React

Free
  • Open SourceFree
    • Component-based architecture
    • Virtual DOM
    • JSX syntax

Which should you pick?

Choose Blacksmith if

  • You need bare metal runners.
  • You want to start without paying.
  • You work on GitHub Actions, Linux, Windows, macOS.
  • You also want multiple os support.
Blacksmith review

Choose React if

  • You need component-based architecture.
  • You want to start without paying.
  • You work on Web, Mobile.
  • You also want virtual dom.
React review

Questions people ask

Is Blacksmith or React better?
Neither clearly leads. Blacksmith starts at Free and React at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Blacksmith or React?
Blacksmith starts at Free and React at Free.
Does Blacksmith or React run on more platforms?
Blacksmith runs on GitHub Actions, Linux, Windows, macOS. React runs on Web, Mobile.
Can I use Blacksmith for free?
Both have a free tier, so you can try either at no cost before committing.
What is Blacksmith best used for?
Blacksmith is most often used for replacing github actions runners with faster, cheaper infrastructure, accelerating ci build times for organizations with heavy ci load, reducing cloud spend on github actions by 60% or more, supporting arm architecture builds without github runners. Of those, replacing github actions runners with faster, cheaper infrastructure and accelerating ci build times for organizations with heavy ci load are not what React is typically brought in for.
What can Blacksmith do that React cannot?
Blacksmith covers Bare metal runners, Multiple OS support, ARM support, Docker layer caching. React covers Component-based architecture, Virtual DOM, JSX syntax, Unidirectional data flow.

Answered from the vendors’ own pages

Blacksmith: How much do Blacksmith runners cost compared to GitHub Actions?

Blacksmith offers 60-75% cost savings depending on OS. Ubuntu x64 costs $0.004/min vs GitHub at $0.012/min. All plans include 3,000 free minutes monthly.

Source
React: Is React free to use commercially?

Yes. React is distributed under the MIT open-source license, which permits free usage for both personal and commercial projects without licensing fees or restrictions.

Source
Blacksmith: Can I use Docker layer caching with Blacksmith?

Yes, Docker layer caching is available as an add-on at $0.50/GB/mo. Managed Docker layer persistence is included with the base service.

Source
React: Does React support TypeScript?

Yes. React works seamlessly with TypeScript for type-safe component development. TypeScript provides static type checking for React components, props, and state, improving code reliability and developer experience.

Source
Blacksmith: What is the SLA for Enterprise plans?

Enterprise Blacksmith plans include a 99.9% SLA guarantee along with 24/7 priority support, dedicated Slack channels, white-glove onboarding, and CI optimization support.

Source
React: Do I need a build step to use React?

If you use JSX, yes. JSX requires transpilation by a build tool like Webpack and Babel before browsers can execute it. However, React can be used without JSX by calling React.createElement directly, which does not require a build step.

Source
React: Can I build offline-capable applications with React?

Yes. React supports building Progressive Web Apps (PWAs) with service workers and IndexedDB for offline functionality. Create React App includes service worker setup, though it must be manually enabled for production use.

Source
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