A/B Test AI Prompts Across Multiple Models

Stop Guessing Which AI Model
Performs Best for Your Prompts

Send the same prompt to GPT-4, Claude, and Gemini simultaneously. Get automated quality scores, cost breakdowns, and data-driven insights to optimize your AI spending.

Start Comparing — $39/mo

Cancel anytime. No credit card lock-in.

3
AI Models Compared
Real-time
Cost Analytics
Auto
Quality Scoring

Simple, Transparent Pricing

Pro Plan
$39
/month
  • ✓Unlimited A/B prompt experiments
  • ✓GPT-4, Claude 3, Gemini Pro support
  • ✓Automated quality scoring
  • ✓Cost-per-token breakdown
  • ✓Experiment history & analytics
  • ✓CSV export of results
Get Started Now

Frequently Asked Questions

Which AI models can I compare?
You can run experiments across OpenAI GPT-4, Anthropic Claude 3, and Google Gemini Pro simultaneously from a single dashboard.
How is quality scoring calculated?
Responses are evaluated on relevance, coherence, and completeness using automated metrics. You can also add custom scoring criteria for your use case.
Do I need to bring my own API keys?
Yes — you connect your own OpenAI, Anthropic, and Google API keys. This keeps your data private and gives you full control over usage and billing.