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Which Prompt Gets Claude to Create Better Workout Plans?

Direct vs Vague Prompts for Claude Fitness Plan Generation?

See why a specific prompt like “Create a 30-minute workout plan for beginners” outperforms vague questions for Claude API, delivering precise fitness outputs every time.

Question

You want Claude to create a workout plan. Which opening line works better?

A. Create a 30-minute workout plan for beginners
B. Do you know anything about exercise?
C. I was wondering about workouts and fitness stuff
D. What kind of workout should I do?

Answer

A. Create a 30-minute workout plan for beginners

Explanation

Direct, specific prompts like “Create a 30-minute workout plan for beginners” outperform vague or conversational openers in the Claude API because they provide clear instructions, constraints, and goals, enabling the model to generate focused, relevant outputs without ambiguity or off-topic tangents.

Option B tests knowledge unnecessarily, C rambles without direction, and D leaves choices open-ended, often yielding generic advice rather than a concrete plan—Claude excels with precise task definitions that minimize interpretation, aligning with core prompting best practices for reliable results.