Eval your AI Prompts

Tell us what are you expecting your AI to do, and we will evaluate it for you.

Claude Anthropic key

Your key is never stored anywhere; it is only used to generate your test cases and evaluations. Get one from Claude.

Try an example

Prompt

Use {{variable}} for parts that should change per test case.

Detected variables

None yet — add {{...}} to your prompt.

Number of test cases

Preview

No test cases yet. Fill in the prompt on the left and generate some.