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Paste your prompt. Get model recommendations. Copy an optimized version.One bar → three good answers.
System Preface
Adds role-based context (e.g., “You are a senior developer”). Auto-enabled for troubleshooting and spec tasks.
Web vs API Mode
Web mode shows models as they appear in ChatGPT (GPT-5.2, etc.). API mode shows actual API model names (gpt-4o, etc.) for developers.
Ready when you are
Paste a prompt above to see model recommendations and an optimized version.