Pricing
Pricing
Upgrade for more intelligence, control, and security.
Signup Credit
$1.00
Free on registration
Monthly Free Credits
$1.00
Refreshed every month — unused credits expire
Platform Commission
20%
Of each solve — authors keep the rest
Free
Get started with $1.00 free on signup, no commitment.
- $1.00 one-time signup credit
- $1.00 monthly free credits (refreshed every month)
- Per-model pricing — rates set by each model creator
- Access to all marketplace models
- REST API access
- Community support
- Usage analytics dashboard
Pay-As-You-Go
Top up your wallet anytime — pay only for what you use.
- Everything in Free
- Per-model pricing — pay the rate set by each model
- No monthly commitment
- Custom model training
- Priority API queue
- Email & chat support
Enterprise
Volume deals, custom SLAs, and dedicated support for high-volume usage.
- Everything in Pay-As-You-Go
- Volume discounts on credits
- Custom SLA agreement
- Dedicated account manager
- Private model hosting
- SSO & team management
- Invoice billing
Used by teams at leading companies
Features in all
Everything you need, in every plan.
Sub-3s Solve Time
AI-powered inference runs in under 3 seconds on average, regardless of plan.
Encrypted by Default
All API calls and stored data are encrypted with TLS 1.3 and AES-256.
Real-time Analytics
Track every solve, success rate, and credit usage live from your dashboard.
Testimonials
Validated by developers worldwide
FAQ
Got any questions?
Find answers to common questions about Stirling below.
Take control of your captchas.
Join thousands of developers already solving captchas at scale.