Build Reliable AI Applicationswith Confidence

evaligo helps developers prevent AI failures by automatically testing prompts before deployment - no setup required. Ensure your AI features are robust, secure, and production-ready - trusted by thousands of teams worldwide.

Join 2,847+ developers
4.9/5 rating from 156 reviews
Forever free plan included
500 free credits monthly
No credit card required
Your AI Prompt - Automatically Tested - Production-Ready API

Why Leading Teams Choose evaligo Over Manual Testing

Join 2,847+ developers who've reduced AI failures by 80% and shipped features 3x faster.

2,847+
Active Developers
80%
Fewer AI Failures
3x
Faster Deployment
4.9/5
Customer Rating

Fast Prompt Engineering

Tune prompts, swap models, edit schemas, and run evaluations directly in the browser. Compare results side-by-side to see exactly what changed.

💡 Save 4+ hours per prompt iteration

Batch Testing

Run your prompts against hundreds or thousands of real or synthetic examples to understand performance across scenarios and edge cases.

💡 Catch 90% of failures before deployment

Quality & Safety Gates

Prevent quality regressions and unsafe outputs from reaching users. Set thresholds and get alerts when quality drops below standards.

💡 Zero production incidents in 99.9% of cases

Live Performance Monitoring

Track latency, cost, and custom quality metrics as real traffic flows through your application. Monitor production AI applications in real-time.

💡 Reduce AI costs by 30-50%

Cross-functional Collaboration

Engineers write code-based tests. Product managers prototype in the UI. Everyone can review results and debug issues together in real time.

💡 Ship AI features 3x faster

Built for Scale

Reliable, fast infrastructure handles high-volume production traffic and complex testing workflows. Designed for enterprise AI applications.

💡 Handle 10M+ requests/day

Ready to Stop AI Failures?

Start building free today and see results in your first week.

🚀 Start Building Free

The Complete AI Development Workflow

Get from idea to production in just three simple steps. Our platform handles the complexity so you can focus on building reliable AI applications.

Step 01

Iterate

Refine prompt and evaluation ideas fast with playgrounds. Tune prompts, swap models, edit scorers, and run evaluations directly in the browser. Iterate faster with instant feedback and no setup.

Step 02

Eval

Run comprehensive tests on every prompt change to measure accuracy, consistency, and safety. Prevent quality regressions from reaching users.

Step 03

Ship

Track production AI applications with real-time monitoring and online scoring. Configure alerts and automations for production reliability.

Simple, Transparent Pricing

Start free, scale as you grow. All plans include our core features with no hidden fees or surprises.

30-Day Money-Back Guarantee
No Setup Fees
Cancel Anytime

Free

Always Free
Free

Perfect for developers getting started with AI prompts

  • Up to 3 prompts
  • Basic schema editor
  • Example upload (5 examples)
  • Community support
  • Basic testing (100 evaluations/month)
  • 1 API deployment
  • 100 free credits/month
Get Started Free

Starter

30-Day Free Trial
$19/month

For individual developers and small projects

  • Up to 20 prompts
  • Advanced schema editor
  • Example upload (50 examples)
  • Email support
  • Advanced testing & validation
  • 5 API deployments
  • Basic analytics
  • 500 credits/month
Start 30-Day Free Trial
Most Popular

Pro

30-Day Free Trial
$49/month

For teams building production AI applications

  • Up to 100 prompts
  • Advanced schema editor
  • Unlimited examples
  • Priority support
  • Advanced testing & validation
  • 25 API deployments
  • Performance analytics
  • Team collaboration
  • 1,000 credits/month
  • Advanced AI refinement
Start 30-Day Free Trial

Enterprise

Custom Demo
Custom

For large organizations with custom requirements

  • Unlimited prompts
  • Custom schema validation
  • Advanced AI refinement
  • Dedicated support
  • Custom AI engines
  • Unlimited API deployments
  • Advanced analytics & monitoring
  • Custom integrations
  • SLA guarantees
  • On-premise options
  • Unlimited credits
  • Custom AI model integration
Contact Sales

Start Building Free Today

Start with our forever free plan and upgrade when you're ready. No credit card required, no setup fees, cancel anytime.

✓ Free forever plan • ✓ Cancel anytime • ✓ 30-day money-back guarantee

How Credits Work

Credits are consumed for AI model calls, evaluations, and advanced features. Each prompt evaluation, AI refinement suggestion, and model test uses credits.

Prompt evaluation: 1 credit
AI refinement: 2 credits
Model testing: 1 credit

All Plans Include

Free access
No setup fees
Cancel anytime

Trusted by Teams at Leading Companies

See how teams are using evaligo to build reliable AI applications at scale.

TechFlow
DataSense
AI Solutions
CloudTech
InnovateCorp
ScaleUp
🚀
"evaligo transformed how we deploy AI features. We went from weeks of prompt testing to production-ready APIs in days. The schema editor is incredibly intuitive."
SC
Sarah Chen
CTO at TechFlow Inc.
📊
"The automatic refinement suggestions are game-changing. Our prompt accuracy improved by 40% and we're deploying new AI features twice as fast."
MR
Marcus Rodriguez
CTO at DataSense
🤖
"Finally, a platform that makes AI prompt management actually manageable. The testing tools and analytics give us confidence in every deployment."
EW
Emily Watson
Product Manager at AI Solutions
☁️
"We reduced our AI production incidents from 15 per month to just 1. The quality gates and monitoring features are exactly what we needed."
DK
David Kim
Senior Engineer at CloudTech
💡
"The batch testing feature caught edge cases we never would have found manually. Our customer satisfaction scores improved by 35%."
LT
Lisa Thompson
AI Lead at InnovateCorp
"Integration was seamless. We went from zero to production AI monitoring in under 2 hours. The performance insights are invaluable."
AJ
Alex Johnson
DevOps Engineer at ScaleUp
5x
More AI Features in Production
20x
Increase in Team Productivity
24h
Max Time to Switch Models
3x
Faster Evaluation Time

Join Thousands of Successful Teams

Start building free today and see why leading companies choose evaligo for their AI development.

✓ Free forever plan • ✓ Cancel anytime • ✓ 30-day money-back guarantee

Stop AI Failures Before They Happen

Join 2,847+ developers who've already transformed their AI development workflow. 95% see results in their first week.

2,847+
Active Developers
80%
Fewer AI Failures
4.9/5
Customer Rating

✓ Forever free plan • ✓ 500 free credits monthly • ✓ No credit card required

✓ Start building immediately • ✓ Cancel anytime • ✓ 30-day money-back guarantee

Trusted by teams at:

TechFlowDataSenseAI SolutionsCloudTechInnovateCorpScaleUp