Side by side

Harness CI vs Trunk Flaky Tests

Both stand on ci failure analysis and flaky test tools. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Harness CI

Free plan Web

Choose Harness CI if you need web-based CI with hosted or self-hosted runner options and pull request checks.

Visit Harness CI

Trunk Flaky Tests combines failure analysis, automatic quarantine, and test-run analytics, with a free tier for small teams. Check the plan limits and the stated on-premise status if either is important to your deployment.

Visit Trunk Flaky Tests

The facts

	Harness CI	Trunk Flaky Tests
Free plan	Yes	Yes
Open source	Not published	Not published
Runs on	Web	Self-hosted, Web
Lowest paid plan	Free or on request	Free or on request
Plans published	3	3
Maker	Not published	Not published
Website	harness.io	trunk.io
On ci failure analysis and flaky test tools	#15 of 21	#11 of 21

Harness CI: what it does well

Free Plan costs nothing.
Includes Harness Open Source and Litmus Chaos.
Supports hosted use and self-hosted runners.
Offers pull request checks and artifact or dependency caching.
Essentials bundles CI, CD, IaC, and security.

What to know first

Free Plan support is community support.

Trunk Flaky Tests: what it does well

Automatic quarantine needs no code changes
Tracks flake rates and failure reasons
Supports a broad range of CI providers
Free plan includes up to five million monthly test spans
Slack alerts and webhooks report test events

What to know first

Free plan is limited to five repo committers
Free plan has a monthly test-span limit
On-premise availability is described as a private preview

Alternatives to Harness CI Alternatives to Trunk Flaky Tests The whole list