A/B Test AI Prompts with Cost Tracking
Split test different prompt variations, track performance metrics and token costs to optimize AI spending. Built for AI product teams and developers.
Prompt Variations
Define multiple prompt templates and run them side-by-side against your dataset.
Token Cost Tracking
See exact token usage and dollar costs per variation across GPT-4, Claude, and more.
Analytics Dashboard
Compare win rates, latency, and cost-per-output to pick the best prompt every time.
Simple Pricing
Pro
Everything you need to optimize AI costs
- ✓Unlimited A/B experiments
- ✓Multi-provider cost tracking (OpenAI, Anthropic, Gemini)
- ✓Dataset management & versioning
- ✓Analytics dashboard & CSV export
- ✓Team collaboration (up to 5 seats)
- ✓Priority email support
FAQ
Which AI providers are supported?
We support OpenAI (GPT-3.5, GPT-4, GPT-4o), Anthropic (Claude 3 family), and Google Gemini. More providers are added regularly.
How does cost tracking work?
We capture token counts from each API response and apply current provider pricing to give you real-time cost breakdowns per prompt variation and per experiment run.
Can I cancel anytime?
Yes. Cancel anytime from your billing portal with no questions asked. You keep access until the end of your billing period.