Gemini Prompt Writing Guide: Examples and Fix Steps

A Gemini prompt is the request you type into Gemini. Write four things (role, task, context, and format) and the answer gets closer to what you want. The Google Workspace guide to writing effective prompts presents these four elements as the basic frame. It also says you do not need all four in your first request. Review the result and refine it through conversation (as of October 7, 2026). Google's help page Get started with good prompts explains that this method applies to both the Gemini app (gemini.google.com) and Workspace apps such as Docs and Gmail.

How to write a Gemini prompt: role, task, context, format

The four elements in Google's guide cut down the blanks the model has to fill by guessing. Role sets whose point of view the answer takes. Task sets what you ask it to do. Context sets the background you are working in. Format sets the shape of the result you want back.

Element	What to write	Example from Google's guide
Role	The viewpoint of the person answering	"You are a program manager in [industry]"
Task	An action such as summarizing, drafting, or generating	"Draft a summary email to executives"
Context	Relevant background and reference material	"Based on [details of the program document]"
Format	The shape of the output, such as bullet points or an email	"Limit it to bullet points"

The same guide also lists six tips. Write in natural sentences, as if you were talking to a person. Be specific about what you need, but keep it short and avoid jargon. If the result falls short, fix it with a follow-up request. Reference documents in Google Drive to fit the answer to your situation. Finally, check the result for clarity and accuracy yourself before you use it for work.

Gemini prompt examples: weak requests vs. good requests

The Google support page Tips for writing prompts shows that a sentence like "Write a training plan for the sales team" works better than "Training plan". The table below applies this principle to advertising work. It is an illustrative example, not the output of a test run.

Situation	Weak request	Request with all four elements
Ad copy	Write ad copy	As a copywriter at an ad agency, write Instagram ad copy for a lunch box subscription service aimed at office workers in their 20s and 30s. Give 3 options of 40 characters or fewer, in a table.
Meeting summary	Summarize this	As a marketing team lead, summarize the meeting notes below for an executive report. List decisions and owners in 5 bullet points or fewer.
Email	Write an apology email	As a customer support agent, write an apology email to a customer whose delivery was 3 days late. Include info about a compensation coupon. Keep it polite but short.

Each sentence in the third column takes one role, task, context, and format from the earlier table. In the ad copy example, "copywriter at an ad agency" is the role and "Instagram ad copy" is the task. "Lunch box subscription for office workers in their 20s and 30s" is the context, and "3 options of 40 characters or fewer, in a table" is the format. The Google guide also says that referencing documents in Google Drive makes the answer fit your situation. If you have reference material, name that document in the prompt.

How to revise a Gemini prompt and check the result

The Google guide says not to try to finish a prompt in one go. Refine the result with follow-up prompts instead. When the first answer misses, fix it in this order.

1. Pick the one part of the answer that is most off. Start with the biggest problem among length, tone, and content.
2. Ask again in the same conversation, changing only that part. For example, write "Too stiff. Rewrite it as if you were talking to an office worker in their 20s."
3. Split the request if it has several tasks. The Google support page recommends separate prompts when you have several related tasks. Do not ask for research, copywriting, and translation at once. Check the earlier answer, then send the next request.
4. If the prompt itself feels hard, hand it to Gemini. The Google guide suggests asking something like "Make this prompt more effective: [original prompt]" to get an improved version.

Check the revised result against the format conditions you wrote first. Conditions written as numbers and shapes, such as "3 options", "40 characters or fewer", and "table", can be counted right away as you read the answer. If an answer includes prices, dates, or statistics, check separately that the same numbers appear in the original source.

For developers: Gemini API prompt strategies

Developers who use Gemini through the API should read the prompt design strategies documentation separately. It overlaps a lot with the four elements for chat, but the API side puts more weight on items such as providing examples and marking structure.

Strategy	What the documentation says
Clear instructions	Giving clear and specific instructions is an efficient way to shape model behavior
Include examples	Prompts with examples (few-shot) control the format, wording, and scope of the response, and the docs recommend always including examples
Add context	Put the instructions and information needed to solve the problem in the prompt
Break down tasks	Split complex tasks into steps or chain prompts together
Specify output format	Specify the response format, such as a table, a list, or sentences

For Gemini 3 models, the same document advises writing prompts that are concise and direct, and separating parts consistently with XML tags or Markdown. Responses are direct by default, so ask explicitly if you need a detailed answer. It also strongly recommends keeping settings such as temperature at their default values.

Common mistakes when writing Gemini prompts

• Sending a two-word request: The Google support page advises avoiding vague wording and giving precise instructions. Write in sentences what to write, for whom, and how much.
• Asking for a result with no background: The same support page says more context produces more useful results. Add the product, the audience, and the goal, even if it is one line.
• Asking for several tasks at once: Follow the Google support page advice to split related tasks into separate prompts, and ask for one thing per request.
• Rewriting from scratch when the first answer misses: The Google guide says to refine through conversation, so point to the part that is off and send a follow-up request.
• Using the answer without reviewing it: The Google guide states that the person using the output must check its clarity, relevance, and accuracy.

Gemini prompt FAQ

Can I write Gemini prompts in Korean?

Yes. The Gemini web app help page says it supports more than 40 languages, and Korean and South Korea are included. The English examples in the Workspace support pages above work on the same principle when you rewrite them in Korean.

If I don't like the answer, do I have to rewrite the prompt from scratch?

No, you do not need to start over. The Google guide says to refine with follow-up prompts, so point to the part that is off and continue in the same conversation.