Past Tests

Test a Prompt

Run your prompt 3 times and see if it gives reliable outputs — or drifts in ways that would break automation.

Load an example

0 chars · 0 words

0 — deterministic2 — wild
3

Fast check · 3 is usually enough to spot variance

2 — quick10 — thorough

LLMs are probabilistic — PromptProbe helps you detect variance, not guarantee outcomes.