Tool overview
Stably is listed under Programming AI tools.
What is Stably?
Stably adds AI-assisted authoring, execution, repair, and review to Playwright. Teams can create tests in a web editor or CLI, run them locally, in CI, or in cloud browsers, and receive reviewable fixes when application behavior changes.
Best for
Software teams creating and maintaining reliable Playwright end-to-end coverage
Who is it for?
Decision note
Suitable for evaluation after confirming final commercial terms, permissions, data handling, lifecycle status, and edit-screen aliases. Keep Needs Review enabled until a human verifies the published profile.
Key features
Plain-language test planning and generation
Full compatibility with standard Playwright tests
Web editor and interactive CLI workflows
Parallel cloud browsers and local CI execution
AI-assisted autofix with reviewable changes
Git-native test versioning and reporting
Use cases
Creating Playwright tests faster
Maintaining end-to-end test suites
Running tests in cloud browsers
Repairing tests after product changes
Reviewing failures with traces and recordings
Pros
- Ongoing free Hobby plan is available
- Tests remain standard Playwright code
- Unlimited team members on published plans
- Usage costs are visible and auditable
Limitations
Stably can generate incomplete tests or repair symptoms instead of root causes. Teams should review assertions, browser permissions, generated code, test data, usage costs, and every proposed fix before acceptance.
Pricing details
Billing options
Pricing note
Hobby is $0 per month with included credits. The lowest paid plan is Team at $60 per month, followed by Growth at $250 and custom Enterprise. Credits cover AI tokens and cloud-browser time; official docs also reference trial access.
Supported programming languages
- TypeScript
- JavaScript
Integrations
Playwright
GitHub
GitLab
Jira
Notion
Google Drive
PostHog
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