A/B Test AI Prompts for Better Outputs
Run split tests on AI prompts, track output quality metrics, and find the best performing variations — all in one dashboard built for prompt engineers.
10x
Faster iteration
40%
Better output quality
100%
Data-driven decisions
⚡
Side-by-side Testing
Run prompt variants simultaneously against the same inputs.
📊
Quality Metrics
Score outputs on relevance, tone, accuracy, and custom criteria.
🏆
Winner Detection
Automatically surface the best-performing prompt variation.
Simple Pricing
One plan. Everything included.
$29/mo
Cancel anytime
- ✓Unlimited A/B prompt tests
- ✓Connect any OpenAI-compatible API
- ✓Output quality scoring dashboard
- ✓Test history & version control
- ✓CSV export of results
- ✓Email support
FAQ
Which AI APIs are supported?
Any OpenAI-compatible API endpoint works — including OpenAI, Anthropic (via proxy), Mistral, Together AI, and self-hosted models.
How are output quality metrics calculated?
You define scoring criteria per test. The app uses an LLM judge to rate each output, and you can also add manual scores. All results are aggregated in the dashboard.
Can I cancel my subscription anytime?
Yes. Cancel with one click from your billing portal. You keep access until the end of your billing period with no questions asked.