AI Prompt Tester

Compare and debug prompts across multiple AI models (BYOK).

Please enter OpenAI API Key (BYOK Mode)
Instructs behavior
Your input

Model Config

Comparison Mode
0.7
Precise (0)Creative (2)
2000

Tip:

Use System Prompt to define the persona. Use Temperature to control randomness.

Lightning Fast

Processed locally in browser or instantly in cloud

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Files are deleted automatically after processing

Forever Free

Unlimited usage, no registration required

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Tools.prompt-tester.article.intro

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Tools.prompt-tester.article.benefits.title

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Tools.prompt-tester.article.conclusion.title

Tools.prompt-tester.article.conclusion.desc