Best for: teams that want maintained Playwright coverage in their repository.

Checksum generates end-to-end tests, integrates with CI and proposes repairs through pull requests. It also offers API testing and a managed service with engineer verification.

At a glance

	Checksum	Testmode
Test authoring	AI-generated Playwright tests	Free-form plain English
Scope	Web end-to-end, API	Web applications
What your team supplies	Access to your development workflow and someone to review generated tests	A running application and someone who knows the expected behaviour

Where Testmode fits better

Testmode fits teams that want to describe acceptance checks in plain English and run them against a web application, including software they did not build. It does not require source access or a CI pipeline.

Choose Checksum if you want Playwright tests in your repository and maintenance through your development workflow. Testmode fits when you want to describe and run browser checks without owning a coded suite.

What to evaluate

Budget for the workflows being maintained and agree who reviews coverage and repairs. Its repository and CI workflow needs engineering access.

Official product overview: Checksum. Product information checked on 17 September 2026. The fit and trade-offs above are our assessment.