Flexible pricing
Advanced AI testing that fits your budget.
Start small and scale as you grow.
Start small and scale as you grow.
Starter
$39/month
Covers your core user flows. Perfect for getting started.
Features
Max 8 parallel test executions
Includes 20,000 cached Playwright actions, 3,000 AI actions
Pay-as-you-go afterwards
🚀 MOST POPULAR
Growth
$249/month
Comprehensive coverage for expanding features and growing team.
Everything in Starter, plus:
Unlimited parallel test executions
Includes 200,000 cached Playwright actions, 20,000 AI actions
Dedicated customer support on Slack
Pay-as-you-go afterwards
Cancel anytime • Unlimited team members
Tranparent Pricing
Pay only for what you use. Pricing varies by action type.
Action Type
Cost
Cached Playwright Actions
$0.0005 / action
AI Action
AI browsing actions
$0.01 / action
AI assertions
additional options
$0.01 / assertion
AI extractionsNew
$0.02 / extraction
Cached Playwright Actions
$0.0005/ action
AI Action
AI browsing actions
$0.01/ action
AI assertions
additional options
$0.01/ assertion
AI extractionsNew
$0.02/ extraction
Frequently Asked Questions
Everything you need to know about our transparent pricing
Still have questions?
Our team is here to help you find the perfect plan for your testing needs.
Contact SupportOur wall of love

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.

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, MontereyWith Stably's tests in place, I'm confident our users won't encounter critical bugs anymore.

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.

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, 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.