AI Testing Tool

A/B Test AI Prompts
Across Every Major Model

Run the same prompt against GPT-4, Claude, and Gemini simultaneously. Compare quality scores, latency, and cost — all in one dashboard.

Start Testing — $25/mo

No credit card required for 7-day trial.

GPT-4Claude 3Gemini 1.5Cost TrackingQuality ScoresExport CSV

Pro Plan

$25

/month · cancel anytime

  • ✓Unlimited A/B test runs
  • ✓GPT-4, Claude 3, Gemini 1.5
  • ✓Quality score dashboard
  • ✓Cost breakdown per model
  • ✓CSV export
  • ✓Priority support
Get Started

Frequently Asked Questions

Which AI models are supported?

GPT-4, Claude 3 Opus, and Gemini 1.5 Pro out of the box. More models added regularly.

How is the quality score calculated?

Scores combine latency, token cost, and an optional human rating you provide per response.

Can I cancel anytime?

Yes. Cancel from your billing portal with one click — no questions asked.