Choose Blacksmith if you need
- Ubuntu, Windows or macOS. We haven't found them on CircleCI's website.
- Integration with GitHub Actions or Docker. We haven't found them on CircleCI's website.
At a glance
- Both have a free plan.
- Blacksmith's lowest paid plan is macOS M4 at $0.08 per minute, as of October 28, 2026.
- CircleCI's lowest paid plan is Performance at $15 per month, starting at, as of October 23, 2026.
- Only Blacksmith lists Ubuntu, Windows and macOS.
- Only CircleCI lists CLI and API.
- They list no integrations in common.
- CircleCI lists SOC 2 and SSO. We haven't confirmed any of these for Blacksmith.
- CircleCI has a public API. We haven't confirmed one for Blacksmith.
- CircleCI can be self-hosted. We haven't confirmed that for Blacksmith.
From each tool's own website, checked on the dates below, and from published reviews.
Which to choose
From the facts checked for both tools, not from opinion. A fact we haven't confirmed for one of them is never counted.
Choose CircleCI if you need
- CLI or API. We haven't found them on Blacksmith's website.
- Integration with GitHub, GitLab or Bitbucket. We haven't found them on Blacksmith's website.
Blacksmith
Nobody has reviewed Blacksmith yet. Its rating shows once it has 3 reviews.
Review Blacksmith
CircleCI
Nobody has reviewed CircleCI yet. Its rating shows once it has 3 reviews.
Review CircleCIThe facts
- What it does
- BlacksmithA drop-in replacement for GitHub runners that runs your GitHub Actions faster and costs less.
- CircleCIValidate before you push. Spend less. Ship more
- Free plan
- BlacksmithYes
- CircleCIYes
- Pricing
- BlacksmithNot confirmed
- CircleCIUsage-based
- Paid plans from
- Blacksmith
What they share
From the platforms and integrations each website lists.
Platforms
BothNone in common
Only Blacksmith
- Ubuntu
- Windows
- macOS
Only CircleCI
- CLI
- API
Integrations
BothNone in common
Only Blacksmith
- GitHub Actions
People who switched
Reviewers who say they used one of these before the other.
No reviewer has said they moved between Blacksmith and CircleCI yet.
Used either of them?
Your review makes this comparison better for the next person. Review Blacksmith or review CircleCI.