A/B Test AI Prompts for Better Outputs
Create prompt templates with variables, run split tests across AI APIs, and identify winning variants using quality metrics and statistical significance.
Start Testing Prompts — $29/moCancel anytime. No credit card lock-in.
Multi-variant Tests
Run A/B/n tests across unlimited prompt variants simultaneously.
Quality Metrics
Score outputs by relevance, coherence, and task completion automatically.
Statistical Significance
Know when a winner is real — not just noise — with built-in stats.
Simple Pricing
Pro
$29
/month
- ✓ Unlimited prompt templates
- ✓ A/B/n split testing
- ✓ OpenAI & Anthropic integration
- ✓ Quality scoring dashboard
- ✓ Statistical significance reports
- ✓ CSV export
FAQ
Which AI providers are supported?
OpenAI (GPT-4o, GPT-4, GPT-3.5) and Anthropic (Claude 3.5, Claude 3) are supported out of the box. You bring your own API keys.
How is statistical significance calculated?
We use a two-proportion z-test on your chosen quality metric so you can confidently declare a winner at 95% confidence.
Can I cancel anytime?
Yes. Cancel from your billing portal at any time — no questions asked, no lock-in period.