$ ~/cicdcalculator

CircleCI vs GitHub Actions in 2026
./compare --circleci --actions --credits-vs-minutes

CircleCI and GitHub Actions sit on opposite sides of the metered-CI design space. Both charge per usage; both offer hosted runners; both have generous free tiers. The disagreement is on what to meter and how. GitHub Actions charges per minute on a small handful of runner sizes. CircleCI charges per credit, with credit cost varying by machine class. The credit model is more honest about underlying resource cost; the per-minute model is easier to budget. This page works through how the two pricing philosophies play out at real team sizes, where each one wins, and which one fits which team.

Prices come from the CircleCI pricing page and GitHub pricing page, verified May 2026.

How the credit model works

On CircleCI, every minute of build time consumes credits, and the credit rate varies by machine class. A Linux Medium (2 vCPU, 4 GB RAM) consumes 10 credits per minute. A Linux Large (4 vCPU, 8 GB RAM) consumes 20 credits per minute. macOS Medium (4 vCPU, 8 GB) consumes 50 credits per minute. Credits cost $0.0006 each on the Performance plan, so a Linux Medium minute costs $0.006 and a macOS Medium minute costs $0.030.

The Performance plan at $15 per user per month includes 25,000 credits per user per month, plus seats. A typical 25-developer team buying Performance gets 625,000 included credits monthly, equivalent to 62,500 Linux Medium minutes. That is a generous allowance for most team workloads. Overage credits cost $0.0006 each in 25,000-credit packs.

The credit model has two practical implications. First, larger machines are not necessarily more expensive in total dollars if they finish faster: a Linux Large at 20 credits per minute completing a build in 3 minutes (60 credits) costs less than a Linux Medium at 10 credits per minute taking 8 minutes (80 credits). Second, the per-resource-class accuracy makes optimisation work meaningful; tightening up cache or right-sizing the machine class translates directly into credit savings.

How the per-minute model works

On GitHub Actions, you pick a runner size (Linux 2-core, 4-core, 8-core, 16-core; Windows 2-core; macOS 3-core) and pay a fixed rate per minute. Linux 2-core is $0.008 plus a $0.002 platform fee added in March 2026, total $0.010 per minute. Linux 4-core is $0.018, Linux 8-core is $0.034. Windows is 2x Linux. macOS is roughly 8x Linux.

The Team plan includes 3,000 monthly Linux 2-core minutes per organisation. Larger runners consume the included minute pool at higher rates (a 4-core minute counts as 2 minutes against the allowance). Overage is direct: extra minutes are billed at the per-minute rate above. The mental model is simpler than CircleCI's credits but less honest about resource cost variations.

For a team that mostly runs one or two machine sizes, the per-minute model is easier to reason about. For a team running diverse workloads (small unit tests on Medium, large integration tests on X-Large, GPU jobs on dedicated hardware), the credit model maps better to actual compute cost.

Real monthly cost at three team sizes

Numbers below assume Linux Medium / 2-core, 7-minute average build, and Performance / Team plans on the respective platforms.

5-dev team
CircleCI
$75
Actions
$40

Actions cheaper at small scale because seat fees are smaller and free tier covers usage. CircleCI Performance seat at $15 lifts the floor.

25-dev team
CircleCI
$375
Actions
$370

Roughly equal. CircleCI included credit allowance absorbs all standard usage; Actions overage is small.

100-dev team
CircleCI
$1,800
Actions
$3,200

CircleCI's per-user credit pool is far more generous; Actions per-minute overage compounds harder at scale.

Parallelism economics

CircleCI's pricing model favours parallelism in a way GitHub Actions does not. On Actions, splitting a 30-minute test suite into 10 parallel jobs takes wall-clock time from 30 minutes to about 4 minutes but bills 40 minutes total (10 jobs at 4 minutes each), 33 percent more billable usage than the serial version.

On CircleCI, the same 10-way split consumes 10 times the credits-per-minute for 4 minutes (400 credits) versus 30 minutes serially (300 credits). Still 33 percent more in absolute terms. But CircleCI's included-credit allowance is so generous that most teams stay within it even with aggressive parallelism, whereas Actions' included minutes deplete fast. Practically, parallelism feels free on CircleCI within the bundled allowance and feels expensive on Actions because the per-minute charges are visible in real time.

The other half of the parallelism story is test-splitting tooling. CircleCI's CLI has native commands for distributing test files across parallel workers using historical timing data, which produces optimal balance. Actions requires building this yourself via matrix builds and either custom sharding logic or third-party orbs. For teams that run large test suites where wall-clock matters, this is the strongest CircleCI advantage.

Where each one fits

Choose GitHub Actions if you are on GitHub for source, your pipelines are mostly sequential, and you value ecosystem and time-to-first-pipeline. Most teams should default here.

Choose CircleCI if you run heavy parallel test suites, if you care about per-test timing data and automatic test rebalancing, or if you have an existing CircleCI investment with shared library configs (orbs) that would be expensive to migrate. CircleCI is also a strong choice for teams with diverse machine-class requirements; the credit model handles a mixed fleet cleanly.

For mobile-heavy teams, neither is the optimal final answer. macOS pricing on both is high; teams shipping iOS at any meaningful volume migrate to Bitrise or self-hosted Mac minis on Buildkite.

Related comparisons

CircleCI deep diveGitHub Actions deep diveBuildkite vs CircleCIActions vs GitLab CIcompare allcost calculator

Frequently Asked Questions

# click any question to expand

Which has the simpler pricing model?>
GitHub Actions, by a fair margin. Pricing is seat fee plus per-minute compute, similar to how a phone bill works. CircleCI uses credits: each minute on a machine class consumes a different number of credits, and credits are bought in bulk. The credit model is more accurate at reflecting actual resource cost (larger machines fairly cost more credits per minute) but it adds mental overhead when budgeting. Most teams take a week to internalise the credit math; after that it stops feeling foreign.
When does CircleCI become cheaper?>
When you run heavy parallelism on small machines. CircleCI's credit cost scales with machine class but a Small Linux instance at 5 credits per minute is cheaper than the equivalent on GitHub Actions when you split a test suite across 10-20 parallel jobs. The same parallelism on GitHub Actions bills 10-20 times the per-minute compute rate. CircleCI also wins on test-splitting workloads where the SDK natively rebalances tests across parallel workers.
When does GitHub Actions become cheaper?>
For most non-parallel workloads, at most team sizes. Actions Team plan at $4 per user with 3,000 included Linux minutes covers most small-team usage at almost zero overage. CircleCI Performance at $15 per user with 25,000 included credits is more expensive at small scale unless you actually use the credit allowance. The crossover varies but for typical web or backend pipelines with low parallelism, Actions is cheaper at every team size up to 50 developers.
What is CircleCI's killer feature?>
Test splitting via the CircleCI CLI is genuinely best-in-class. The platform tracks per-test execution times and rebalances test files across parallel workers to minimise total wall-clock time. A test suite that takes 25 minutes single-threaded routinely runs in 4-5 minutes split 8-way on CircleCI. The same suite on GitHub Actions requires manual sharding configuration via matrix builds, which works but is more brittle and less optimal.
How does macOS pricing compare?>
Both expensive. CircleCI's macOS Large (8-core M1) consumes 100 credits per minute, equivalent to $0.060 per minute. GitHub Actions macOS 3-core is $0.082 per minute including the platform fee. CircleCI has the edge on the larger M1 macOS classes; both pale next to self-hosted Mac minis. For iOS-heavy teams, the macOS cost dominates platform choice on either platform, and self-hosted is the only real answer above moderate volume.
What is CircleCI Cloud Convoy / Scale plan?>
The Scale plan is CircleCI's enterprise-tier offering, formerly priced sales-led only and now exposing list pricing around $2,000 per month base with significant credit allowances. It is targeted at teams with consistent six-figure annual spend on CI/CD. Convoy is CircleCI's solution-architect engagement model included with Scale, providing dedicated technical advisory. Most teams reaching Scale are at 100+ developers with $25,000+ annual CI spend.
Can I self-host CircleCI?>
Yes via CircleCI Server, the on-prem distribution. Pricing for Server is sales-led, typically starting around $50,000 per year for a small Kubernetes cluster running the platform. The on-prem variant is mostly used by regulated industries that cannot adopt CircleCI Cloud due to data-residency rules. For everyone else, CircleCI Cloud's pricing is competitive enough that Server is overkill.