AI Prompt Management

Detect when AI prompt changes
break existing outputs

Automatically test prompt modifications against historical inputs to catch regressions, performance drops, and output format changes before deployment.

Start Detecting Regressions — $39/mo

No lock-in. Cancel anytime.

Simple Pricing

Pro
$39
/month
  • ✓ Unlimited prompt versions
  • ✓ Unlimited test cases
  • ✓ OpenAI & Anthropic support
  • ✓ Side-by-side diff visualization
  • ✓ Background async test runs
  • ✓ Email alerts on regressions
  • ✓ PostgreSQL-backed history
Get Started

Frequently Asked Questions

Which AI providers are supported?
OpenAI (GPT-4, GPT-3.5) and Anthropic (Claude 3) are fully supported, with more providers on the roadmap.
How does regression detection work?
You store prompt versions and test cases. When you modify a prompt, the tool reruns all historical inputs and diffs the outputs so you can spot breaking changes instantly.
Can I cancel anytime?
Yes. Cancel anytime from your billing dashboard — no questions asked, no lock-in.