Flexible pricing
Start free, then scale as you grow.
Credits cover AI and browser usage — pay only for what you use.
Credits cover AI and browser usage — pay only for what you use.
Hobby
Try AI testing with no commitment. Perfect for side projects.
$0/monthly
Get Started Free- $10/month included credits
- Run 1 parallel test
- Basic agent access
- Pay-as-you-go afterwards
Team
For small teams ready to ship with confidence.
$60/monthly
Get Started- $60/month included credits
- Run up to 50 parallel tests
- Full agent access
- Priority support
Growth
Most popularFor growing teams with demanding test suites.
$250/monthly
Get Started- $250/month included credits
- Run up to 150 parallel tests
- Dedicated support
Enterprise
Volume discounts for teams spending over $1k/month.
Custom
Contact Us- Steeper volume discounts
- SAML / Enterprise SSO
- SLAs
- 24/7 support
Cancel anytime • Unlimited team members • Credits cover AI tokens + browser time
What Credits Cover
Your monthly credits cover all AI and browser usage. Here's how costs break down.
Usage Type
Rate
Browser Time
$0.01 / minute
AI TokensVaries by model (Claude, GPT-4o, Gemini, etc.)
$0.30 - $15 / million tokens
Browser Time
$0.01/ minute
AI TokensVaries by model
$0.30 - $15/ million tokens
Example: A typical test run uses ~2 minutes of browser time and ~50,000 tokens, costing roughly $0.05-0.15 in credits depending on the AI model used.
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, ClickHouse
Stably is awesome!
Andrew Shield
Senior Engineer, Tofu
We actually enjoy writing tests with Stably — something I never thought I'd say. We're migrating all our Playwright tests over.
Gustavo Silva
CTO, Origin
We 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, Yhangry
Best 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!