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Alpine.js vs Blacksmith

Alpine.js logo

Alpine.js

Web Development

Lightweight JavaScript framework for composing dynamic behavior in HTML

From
Free
Free plan
Yes
Full reviewWebsite
Blacksmith logo

Blacksmith

Developer Tools

2x faster GitHub Actions with 60% cost savings

From
Free
Free plan
Yes
Full reviewWebsite

The short version

  • Each has a real cost: Alpine.js not suitable for complex single-page applications with heavy state management; Blacksmith per-minute pricing model requires estimating usage to predict costs
  • They diverge on capability: Alpine.js covers Declarative state, Blacksmith covers Bare metal runners.
  • Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which Alpine.js and Blacksmith actually diverge.

Attributes where Alpine.js and Blacksmith differ
AttributeAlpine.jsBlacksmith
Pricing modelopen-sourceUnknown
PlatformsWebGitHub Actions, Linux, Windows, macOS
CategoryWeb DevelopmentDeveloper Tools

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 Alpine.js

  • Declarative state
  • Two-way binding
  • Event handling
  • Conditional rendering
  • Loops
  • Transitions
  • DOM utilities

Only in Blacksmith

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

What people use each for

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

Alpine.js

  • Adding interactivity to server-rendered HTML templatesnot Blacksmith
  • Building progressive enhancement patterns with minimal JavaScriptnot Blacksmith
  • Creating interactive components without full-stack frameworksnot Blacksmith
  • Existing projects requiring lightweight JavaScript additionsnot Blacksmith

Blacksmith

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

Where each one falls short

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

Alpine.js

  • Not suitable for complex single-page applications with heavy state management
  • Limited ecosystem compared to larger frameworks like React or Vue
  • Smaller community means fewer tutorials and third-party libraries
  • Performance may suffer in highly interactive applications with frequent state updates

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

Pricing, plan by plan

Alpine.js

Free

No published plan breakdown. See the Alpine.js review.

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

Which should you pick?

Choose Alpine.js if

  • You need declarative state.
  • You want to start without paying.
  • You also want two-way binding.
Alpine.js review

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

Questions people ask

Is Alpine.js or Blacksmith better?
Neither clearly leads. Alpine.js starts at Free and Blacksmith at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Alpine.js or Blacksmith?
Alpine.js starts at Free and Blacksmith at Free.
Does Alpine.js or Blacksmith run on more platforms?
Alpine.js runs on Web. Blacksmith runs on GitHub Actions, Linux, Windows, macOS.
Can I use Alpine.js for free?
Both have a free tier, so you can try either at no cost before committing.
What is Alpine.js best used for?
Alpine.js is most often used for adding interactivity to server-rendered html templates, building progressive enhancement patterns with minimal javascript, creating interactive components without full-stack frameworks, existing projects requiring lightweight javascript additions. Of those, adding interactivity to server-rendered html templates and building progressive enhancement patterns with minimal javascript are not what Blacksmith is typically brought in for.
What can Alpine.js do that Blacksmith cannot?
Alpine.js covers Declarative state, Two-way binding, Event handling, Conditional rendering. Blacksmith covers Bare metal runners, Multiple OS support, ARM support, Docker layer caching.

Answered from the vendors’ own pages

Alpine.js: Is Alpine.js suitable for complex applications?

Alpine.js is designed for progressive enhancement and adding interactivity to server-rendered applications. Complex single-page applications are better served by full-featured frameworks.

Source
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
Alpine.js: How does Alpine.js compare to jQuery?

Alpine.js is the modern successor to jQuery, emphasizing declarative attributes for interactivity rather than imperative DOM manipulation.

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
Alpine.js: Can Alpine.js be used alongside other frameworks?

Yes, Alpine.js can be used to add interactivity to specific components within server-rendered applications without conflicts.

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
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