Choose GitLab if you need
- Integration with Claude Code, Cursor or Codex. We haven't found them on Harness CI's website.
Side by side, from each tool's own website. A tool's rating shows once it has 3 reviews.
From each tool's own website, checked on the dates below, and from published reviews.
From the facts checked for both tools, not from opinion. A fact we haven't confirmed for one of them is never counted.

Nobody has reviewed GitLab yet. Its rating shows once it has 3 reviews.
Review GitLab
Nobody has reviewed Harness CI yet. Its rating shows once it has 3 reviews.
Review Harness CIFrom the platforms and integrations each website lists.
Reviewers who say they used one of these before the other.
No reviewer has said they moved between GitLab and Harness CI yet.
Your review makes this comparison better for the next person. Review GitLab or review Harness CI.
GitLab: Facts from about.gitlab.com, checked October 28, 2026. Sources: about.gitlab.com, about.gitlab.com/pricing, about.gitlab.com/whats-new, about.gitlab.com/solutions/aerospace.
Harness CI: Facts from harness.io, checked October 23, 2026. Sources: harness.io/products/continuous-integration, harness.io/pricing, harness.io/open-source, apidocs.harness.io.
Prices change, so confirm on their sites.