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Billing and cost

Are GitHub Actions free for open source?

Quick answer

Yes, on GitHub-hosted standard runners for public repositories, with no minute charge.

The detail that matters

Larger runners and macOS are not always included, and self-hosted runners on public repositories carry a real security risk because forks can propose workflow changes.

Your next build could be twice as fast, at half the price

Start free. Migrating away is the same one line, and we publish that diff too.