Understanding Prompt Design Methods and Parameters Vertext AI GCP

June 10, 2025

Core Prompt Design Methods

  1. Zero-shot prompting
  2. One-shot prompting
  3. Few-shot prompting

Detailed Explanation

Method Description Example Use Case
Zero-shot Direct task description without examples Simple question answering
One-shot Single example with task description Poetry generation
Few-shot Multiple examples with task description News article writing

Key Parameters

  • Temperature (0-2 range)
    • 0: Most predictable output
    • 1: Default balanced setting
    • 2: Maximum creativity
  • Token Limit
    • Controls output length
    • ~4 characters per token
    • Adjustable based on needs

Best Practices

  • Match method to task complexity
  • Use lower temperature for factual responses
  • Increase temperature for creative tasks
  • Monitor token usage for efficiency
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