CircleCI

YES

Replaceable in one session with an AI coding agent.

Hosted continuous integration: pipelines defined in a file, parallel jobs, caching and machines of several sizes, including ones with more memory than a free runner.

Promptfree, for everyone, and the only version there is

Run your pipeline where your code already lives, or on your own runner.

THE FIRST QUESTION
- Are you on GitHub or GitLab? Their included minutes cover most projects at no extra cost

IF THE FREE RUNNERS ARE TOO SMALL
- A self-hosted runner on a machine you rent is usually far cheaper than paid minutes
- One always-on server with a fast disk beats several small hosted runners for a test suite

MAKING IT FAST
- Cache the dependency directory keyed on the lockfile hash, not on a branch
- Split the test suite by timing data, not alphabetically
- Run the fastest checks first and fail early

SELF-HOSTED RUNNER SAFETY
- Never run a self-hosted runner on pull requests from forks. That is arbitrary code execution on your machine

Include the workflow file, the cache keys and the fork rule.

What you lose

Larger machines and higher parallelism than free tiers offer, which is what a big test suite needs
Caching and artefact storage tuned for build speed
Support when a build breaks in a way you cannot reproduce

If you would rather not build

A self-hosted runner on a rented server

The escape hatch

open source · no votes, no paid placement

Woodpecker CI

A small self-hosted CI engine driven by a pipeline file.

woodpecker-ci/woodpeckerfree · open source

act

Runs GitHub Actions workflows locally, which shortens the feedback loop.

nektos/actfree · open source

Why this verdict

our own opinion · changed only by a person

76/100

Verdict yes at 76. Included CI minutes cover most projects, and a self-hosted runner is cheaper than paid minutes above that. The fork rule is a security matter.

History

tracked since 10 Aug 2026 · nothing is ever overwritten

Interest · last 30 days

Nothing recorded yet. This chart fills in once the page has visitors, votes or prompt copies — it will not draw a flat line to look busy.

Questions about CircleCI

answered from the record above

Is CircleCI free?

No — the plan we track is $15 a month. Performance from around $15/month billed monthly plus credits for compute.

Can you replace CircleCI by building your own?

YES. Replaceable in one session with an AI coding agent. Replacement score 76 out of 100, build time one session. Read what you lose before you decide.

How much does CircleCI cost?

$15 a month on Performance — $180 a year. Recorded 10 Aug 2026.

What do you lose by replacing CircleCI?

Larger machines and higher parallelism than free tiers offer, which is what a big test suite needs; Caching and artefact storage tuned for build speed; Support when a build breaks in a way you cannot reproduce. If any of those carry weight for you, keep paying.

Is there an open-source alternative to CircleCI?

Yes: Woodpecker CI, act. The prompt on this page is for when you want it your way instead.

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