Skip to main content
Back to Library
Prompt Engineering Guide

Mastering Summarize document
on Gemini 2.0 Flash

Stop guessing. See how professional prompt engineering transforms Gemini 2.0 Flash's output for specific technical tasks.

The "Vibe" Prompt

"Summarize this document for me. Make it concise."
Low specificity, inconsistent output

Optimized Version

STABLE
Instruction: Summarize the provided document comprehensively and concisely. Your summary should capture the main arguments, key findings, and overarching conclusions. Ensure clarity and coherence. Identify the document's purpose and its target audience. Do not introduce new information. Document: [Insert Document Here] Thought Process: 1. **Understand Document Type & Purpose:** Quickly scan headers, introduction, and conclusion to identify if it's a research paper, article, report, etc., and its primary objective. 2. **Identify Main Sections/Arguments:** Break the document down mentally into its core components. Look for topic sentences and concluding statements in paragraphs. 3. **Extract Key Information:** For each main section, pull out the most crucial facts, data points, unique concepts, and critical arguments. 4. **Synthesize Core Message:** Combine the extracted information to form a coherent understanding of the document's central theme and ultimate takeaway. 5. **Formulate Summary:** Write the summary, starting with the document's purpose/main topic, then elaborating on the key arguments and findings, and concluding with the main implications or conclusions. Ensure conciseness and avoid jargon where possible. 6. **Review and Refine:** Check for accuracy, clarity, completeness, and conciseness. Remove redundant phrases and ensure logical flow. Verify that no new information has been introduced. Summary:
Structured, task-focused, reduced hallucinations

Engineering Rationale

The 'optimized_prompt' leverages chain-of-thought prompting, guiding the model through a structured thinking process before generating the summary. It breaks down the complex task into smaller, manageable steps (understand, identify, extract, synthesize, formulate, review). This explicit guidance helps the model to systematically process the document, ensuring a more comprehensive, accurate, and coherent summary. It also clarifies expectations around conciseness, main arguments, key findings, and conclusions. The 'vibe_prompt' is too vague, offering minimal direction and potentially leading to a less focused or incomplete summary.

0%
Token Efficiency Gain
The summary accurately reflects the main points of the original document.
The summary is concise and avoids unnecessary detail.
The summary captures the document's purpose and target audience if explicitly identifiable in the document.

Ready to stop burning tokens?

Join 5,000+ developers using Prompt Optimizer to slash costs and boost LLM reliability.

Optimize My Prompts