Trusted by fast-growing companies
Extend Playwright with AI Actions
Stably SDK gives your Playwright tests the ability to assert anything and handle any dynamic UI. Fully compatible with your suites.
drinkstore.com/smoothies
Berry Blast
Mixed berries
$4
Tropical Mango
Fresh & fruity
$5
Test with Plain English
Stably's No-Code Editor allows you to create tests by describing flows in natural language.
Plain English Prompt
Writing the test scenario...
Fully Autonomous Testing
Stably Bot reviews your PR, generates AI-powered tests, updates your existing test suites, and is fully autonomous.
Fix checkout rounding (#248)
feature/checkout-totalinto mainUpdated 4 minutes ago
ConversationCommitsChecksFiles changed
stably-aibotleft an automated review • 3 minutes agoApproved
Stably generated 3 AI-powered tests from this PR and executed them in 6m 14s. Checkout rounding, taxes, and refunds all work as expected.
Generated Tests3 scenarios • 27 assertions passed
tests/playwright/checkout-smoke.spec.ts • 12 assertions
tests/playwright/taxes.spec.ts • 9 assertions
tests/playwright/refunds.spec.ts • 6 assertions
Merge queue: position 1
Stably Bot auto-updates checks on new commits
Best-in-Class AI
Stably outperforms general-purpose AI by training on proprietary datasets, achieving state-of-the-art results.
Stably Benchmark (AI Explore and Assert)
Dataset: QA-AI-Explore-And-Assert-500
Browsing Benchmark
1
stably-browsing-06-28
0.02
openai-operator
0.03
claude-sonnet-4-20250514
0.04
browser-use
0.0How Stably Compares
See how Stably compares to traditional frameworks and competitors
| Feature | Legacy Framework | Stably | Competitor |
|---|---|---|---|
| AI-Powered Testing | 1/3 | 3/3 | 2/3 |
| AI Extract | |||
| AI Assert | |||
| Playwright Compatible | |||
| Test Creation | 1/4 | 4/4 | 3/4 |
| Write Tests in English | |||
| Auto Test Generation from PRs | |||
| No-Code Test Editor | |||
| Test Recorder | |||
| Test Maintenance | 0/3 | 3/3 | 1/3 |
| Locator Healing | |||
| UI Changes Healing | |||
| User Flow Healing | |||
| Test Execution | 4/5 | 5/5 | 4/5 |
| Local Testing | |||
| CI/CD Integration | |||
| Test Scheduling | |||
| Slack/Email Notifications | |||
| Parallel Testing |
Enterprise Ready
Built for Current and Future Enterprise
Stably provides enterprise-grade security, full testing control, and high-volume tiers with DPAs, SLAs, and unlimited parallel runs.
Configurable data handling
Encrypt data at rest and in transit, configure retention windows, and opt out of model training without losing observability.
SOC 2 aligned controls
SOC 2 compliant processes with audit logging, vulnerability management, and paper-ready DPAs and SLAs for procurement teams.
Single Sign-On (SAML)
Integrate with Okta, Azure AD, Google Workspace, and more so every teammate can access Stably with your existing identity provider.
After comparing all AI testing solutions, Stably stands leagues ahead. Its ease of use and advanced handling of complex flows is unmatched in the market.
Lucas Del YerroSenior Test Automation Engineer, Curebase
Don't take our word for it
See what our users have to say about us
Tom Alexander
Engineering Manager, ClickHouseStably is awesome!
Andrew Shield
Senior Engineer, TofuWe actually enjoy writing tests with Stably — something I never thought I'd say. We're migrating all our Playwright tests over.
Gustavo Silva
CTO, OriginWe compared many AI QA tools. Stably is the one that actually works.
Tom Alexander
Engineering Manager, ClickHouseStably is awesome!
Andrew Shield
Senior Engineer, TofuWe actually enjoy writing tests with Stably — something I never thought I'd say. We're migrating all our Playwright tests over.
Gustavo Silva
CTO, OriginWe compared many AI QA tools. Stably is the one that actually works.
Tom Alexander
Engineering Manager, ClickHouseStably is awesome!
Andrew Shield
Senior Engineer, TofuWe actually enjoy writing tests with Stably — something I never thought I'd say. We're migrating all our Playwright tests over.
Gustavo Silva
CTO, OriginWe compared many AI QA tools. Stably is the one that actually works.
Tom Alexander
Engineering Manager, ClickHouseStably is awesome!
Andrew Shield
Senior Engineer, TofuWe actually enjoy writing tests with Stably — something I never thought I'd say. We're migrating all our Playwright tests over.
Gustavo Silva
CTO, OriginWe compared many AI QA tools. Stably is the one that actually works.
Lucas Del Yerro
Senior Test Automation Engineer, Curebase
After comparing all AI testing solutions, Stably stands leagues ahead. Its ease of use and advanced handling of complex flows is unmatched in the market.
Siddhi Mittal
Co-founder, YhangryBest investment our team has made. Stably dramatically increased our user conversion rates by eliminating bugs.
Ben Kramer
CTO, Monterey
With Stably's tests in place, I'm confident our users won't encounter critical bugs anymore.
Lucas Del Yerro
Senior Test Automation Engineer, CurebaseAfter comparing all AI testing solutions, Stably stands leagues ahead. Its ease of use and advanced handling of complex flows is unmatched in the market.
Siddhi Mittal
Co-founder, YhangryBest investment our team has made. Stably dramatically increased our user conversion rates by eliminating bugs.
Ben Kramer
CTO, MontereyWith Stably's tests in place, I'm confident our users won't encounter critical bugs anymore.
Lucas Del Yerro
Senior Test Automation Engineer, CurebaseAfter comparing all AI testing solutions, Stably stands leagues ahead. Its ease of use and advanced handling of complex flows is unmatched in the market.
Siddhi Mittal
Co-founder, YhangryBest investment our team has made. Stably dramatically increased our user conversion rates by eliminating bugs.
Ben Kramer
CTO, MontereyWith Stably's tests in place, I'm confident our users won't encounter critical bugs anymore.
Lucas Del Yerro
Senior Test Automation Engineer, CurebaseAfter comparing all AI testing solutions, Stably stands leagues ahead. Its ease of use and advanced handling of complex flows is unmatched in the market.
Siddhi Mittal
Co-founder, YhangryBest investment our team has made. Stably dramatically increased our user conversion rates by eliminating bugs.
Ben Kramer
CTO, MontereyWith Stably's tests in place, I'm confident our users won't encounter critical bugs anymore.
Vikas Vair
CPO, OpenLayer
Stably's AI makes UI testing effortless while actually simulating real user flows. Our CI/CD pipeline has already caught several critical bugs that would have impacted users.
Shuangling Yin
CTO, InspectMind
Stably helps us catch bugs before production without manual testing or maintaining complex tests.
Mike Wang
CTO, Avina
Stably is a game-changer for us. It has transformed our testing process, enabling us to catch bugs before they reach production. Highly recommend!
Vikas Vair
CPO, OpenLayerStably's AI makes UI testing effortless while actually simulating real user flows. Our CI/CD pipeline has already caught several critical bugs that would have impacted users.
Shuangling Yin
CTO, InspectMindStably helps us catch bugs before production without manual testing or maintaining complex tests.
Mike Wang
CTO, AvinaStably is a game-changer for us. It has transformed our testing process, enabling us to catch bugs before they reach production. Highly recommend!
Vikas Vair
CPO, OpenLayerStably's AI makes UI testing effortless while actually simulating real user flows. Our CI/CD pipeline has already caught several critical bugs that would have impacted users.
Shuangling Yin
CTO, InspectMindStably helps us catch bugs before production without manual testing or maintaining complex tests.
Mike Wang
CTO, AvinaStably is a game-changer for us. It has transformed our testing process, enabling us to catch bugs before they reach production. Highly recommend!
Vikas Vair
CPO, OpenLayerStably's AI makes UI testing effortless while actually simulating real user flows. Our CI/CD pipeline has already caught several critical bugs that would have impacted users.
Shuangling Yin
CTO, InspectMindStably helps us catch bugs before production without manual testing or maintaining complex tests.
Mike Wang
CTO, AvinaStably is a game-changer for us. It has transformed our testing process, enabling us to catch bugs before they reach production. Highly recommend!
Frequently Asked Questions
Answers to common questions about Stably AI and its features. If you have any other questions, please don't hesitate to contact us.
General
Features & Capabilities
Integration & Support
Ship Faster. Test Smarter.
Cancel anytime, no questions asked