AI Prompts for Gemini for Ad Copy

20 tested prompts across 4 stages. Works with ChatGPT, Claude, and Gemini.

AI Prompts for Gemini for Ad Copy
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Ad copy is a discipline of constraints: character limits, competing messages, an audience that is not paying attention, and a single click as the only measure of success. Gemini handles this well because it produces batch variations efficiently, follows tight character limits reliably, and adapts tone across platforms without losing the core message. These prompts guide you through every stage of ad copy production, from campaign brief to writing and testing variations for Google Ads, Meta, LinkedIn, and display advertising. This guide walks you through every stage of Gemini for Ad Copy, from Brief the campaign all the way through Optimize and scale, with a tested, copy-ready prompt at each step. Each stage targets a specific phase of the process so you always know exactly what to ask and what output to expect. Works with ChatGPT, Claude, and Gemini and any other major AI tool.

Stage 1

Brief the campaign

Ad copy without a clear brief produces off-target output. These prompts build the foundation before writing starts.

Write an ad campaign brief

Create an ad campaign brief for [PRODUCT OR SERVICE]. The campaign goal is [DESCRIBE GOAL: DRIVE PURCHASES, GENERATE LEADS, INCREASE SIGN-UPS, BUILD AWARENESS]. The target audience is [DESCRIBE AUDIENCE]. The primary benefit to highlight is [DESCRIBE BENEFIT]. The tone should be [DESCRIBE TONE]. Budget context: [DESCRIBE BUDGET AND CHANNELS IF KNOWN]. The brief should define: core message, audience pain point being addressed, the angle, character of the ad voice, and what success looks like.

Brief the campaign

Identify the strongest hook for a campaign audience

I am running ads targeting [DESCRIBE AUDIENCE] for [PRODUCT OR SERVICE]. The main benefit is [DESCRIBE]. Give me five different hook angles this audience would respond to: a pain point they recognize immediately, a desired outcome they want, a common mistake they make, a social proof angle, and a curiosity gap. For each, write a one-sentence version I could use as the headline.

Brief the campaign

Define the unique selling point for ad copy

I need to write ad copy for [PRODUCT OR SERVICE]. Here is what makes it different from competitors: [DESCRIBE DIFFERENTIATORS]. Help me identify the single strongest unique selling point to lead with in my ads. Consider: which differentiator is most meaningful to [DESCRIBE TARGET AUDIENCE], which is hardest to claim by competitors, and which is most believable without requiring proof. Rank the top three with reasoning.

Brief the campaign

Map ad copy to different funnel stages

I am running ads for [PRODUCT OR SERVICE] at multiple funnel stages: awareness (cold audience), consideration (warm, already aware), and conversion (ready to buy or sign up). For each funnel stage, describe: the mental state of the viewer, the right angle to use, what the ad should say versus avoid, and the appropriate CTA. I will use this framework to brief each set of ads.

Brief the campaign

Analyze competitor ad angles

My main competitors in [MARKET/NICHE] are [LIST COMPETITORS]. Based on what you know about how companies in this space typically advertise, what angles, messages, and claims are already saturated in this market? What is the advertising equivalent of a crowded position that my ads should avoid? Suggest two to three differentiated angles I could own instead.

Brief the campaign

Stage 2

Write the ads

These prompts write ads for specific platforms, each with their format requirements and audience context.

Write Google Search ads with character limits

Write five Google Search Ad variations for [PRODUCT OR SERVICE] targeting the keyword [TARGET KEYWORD]. For each ad, write: three headlines (under 30 characters each), two description lines (under 90 characters each), and a display URL path. Use a different angle for each ad: benefit-led, problem-led, price or value, social proof, and CTA-led. Mark character counts for each element.

Write the ads

Write Meta Facebook and Instagram ad copy

Write three Meta ad variations for [PRODUCT OR SERVICE] targeting [DESCRIBE AUDIENCE]. For each ad: Primary text (under 125 characters for mobile), headline (under 40 characters), description (under 30 characters), and the ad angle being used. Use different approaches: one emotional, one rational, one social proof. Include a note on the image or creative concept that would pair well with each.

Write the ads

Write LinkedIn sponsored content ads

Write three LinkedIn Sponsored Content ads for [PRODUCT OR SERVICE] targeting [DESCRIBE AUDIENCE: JOB TITLE, INDUSTRY, SENIORITY LEVEL]. LinkedIn audiences respond to professional tone and specific value claims. For each ad: introductory text (under 150 characters), headline (under 70 characters), and description (under 100 characters). Also write the longer introductory copy for the carousel or single image format (under 600 characters).

Write the ads

Write retargeting ads for warm audiences

I need retargeting ads for people who visited [WEBSITE/PRODUCT PAGE] but did not convert. Write three ad variations that acknowledge they have seen us before without being creepy, address the most likely reason they did not convert the first time ([DESCRIBE LIKELY OBJECTION: PRICE, UNCERTAINTY, TIMING]), and create a reason to come back now. One ad should include a specific incentive: [DESCRIBE OFFER IF AVAILABLE].

Write the ads

Write display ads at multiple sizes

Write display ad copy for [PRODUCT OR SERVICE] at three sizes: 300x250 (medium rectangle): headline under 25 characters, body under 50 characters, CTA under 15 characters. 728x90 (leaderboard): headline under 30 characters, CTA under 15 characters. 160x600 (skyscraper): headline under 20 characters, body under 40 characters, CTA under 15 characters. The audience is [DESCRIBE]. Core message: [DESCRIBE].

Write the ads

Stage 3

Generate variations for testing

Ad testing is how performance improves. These prompts generate systematic variations across messages, angles, and formats.

Generate headline variations for A/B testing

My best-performing headline is: [PASTE HEADLINE]. Write eight challenger headlines that test different variables: one changing the benefit claim, one changing the angle from benefit to problem, one adding a number or stat, one using a question format, one using urgency, one using social proof, one being more specific, and one being shorter and more direct. Keep all challengers under [CHARACTER LIMIT].

Generate variations for testing

Write CTA variations for testing

The primary call to action in my ads is: [CURRENT CTA]. Write eight CTA variations that test different approaches: action verb changes, specificity, urgency, benefit-focused, frictionless language ("see," "explore," "try"), direct language ("buy," "start"), and value-first ("get your free trial," "claim your spot"). Identify which two you would prioritize testing first and why.

Generate variations for testing

Create audience-specific ad variations

I am running the same campaign for three audience segments: [SEGMENT A], [SEGMENT B], [SEGMENT C]. The core product is [DESCRIBE PRODUCT]. Write a headline and primary text variation for each segment that speaks directly to their specific context, pain point, or goal. The underlying message is the same; only the framing changes for each audience.

Generate variations for testing

Write emotional versus rational ad variations

I need to test emotional versus rational ad copy for [PRODUCT OR SERVICE]. Write two complete ads for each approach. Emotional ads: appeal to how the product makes the customer feel, their identity, desires, or fears. Rational ads: focus on specific features, ROI, comparisons, or factual claims. Keep the audience [DESCRIBE AUDIENCE] and the product [DESCRIBE PRODUCT] consistent across both.

Generate variations for testing

Rewrite an underperforming ad

My current ad is performing below target: [PASTE AD]. The click-through rate is [X%] and the conversion rate is [X%]. Diagnose what is likely causing the underperformance and rewrite the ad to fix it. Also suggest one alternative angle I have not tested yet that could outperform both versions. Context about the audience and goal: [DESCRIBE].

Generate variations for testing

Stage 4

Optimize and scale

These prompts help you analyze performance, identify what to test next, and scale what is working.

Analyze ad performance and identify next tests

Here are the results from my recent ad tests: [PASTE PERFORMANCE DATA: AD COPY, CTR, CONVERSION RATE, CPA]. Based on these results, identify: which message angle is winning and why, what the winning elements have in common, and what the next three tests should be to continue improving performance. Give me a prioritized testing roadmap, not just observations.

Optimize and scale

Scale a winning ad angle into a full campaign

My best-performing ad uses this angle: [DESCRIBE WINNING ANGLE AND PASTE AD]. I want to scale this angle into a full campaign with multiple variations across platforms. Write four variations that maintain the winning angle while testing different: hooks, specific claims, CTAs, and formats. Keep the core message that is working intact.

Optimize and scale

Write seasonal or event-specific ad variations

I have a campaign running for [PRODUCT OR SERVICE] with this core message: [PASTE BASE AD]. Write adapted versions for: [SEASONAL EVENT OR MOMENT, E.G., END OF QUARTER, NEW YEAR, PRODUCT LAUNCH, INDUSTRY EVENT]. Each version should update the hook and any urgency language to be relevant to the moment while keeping the core product message intact.

Optimize and scale

Write ad copy for a price promotion

I am running a [DESCRIBE OFFER: DISCOUNT, FREE TRIAL, LIMITED BONUS, ETC.] for [PRODUCT OR SERVICE]. Write five ad variations that lead with the offer without making the brand feel cheap. The promotion ends [DATE]. Include urgency language that is specific, not generic. The audience is [DESCRIBE]. Write headlines and primary text for each variation.

Optimize and scale

Create a performance creative brief for designers

Based on our best-performing ad copy: [PASTE TOP ADS], write a creative brief for the design team. The brief should specify: the emotional tone the creative should evoke, the text that must appear on the creative versus what goes in the copy field, the primary visual concept that would strengthen the message, any performance insights from past tests that should inform the design, and three do-nots based on what has underperformed.

Optimize and scale

Frequently asked questions

Is Gemini good for writing ad copy?+

Gemini is a capable tool for ad copy, particularly for generating batch variations and following platform-specific character limits. It performs well for Google Ads, Meta, and LinkedIn formats. The most useful approach is to give Gemini a clear brief with your audience, benefit, and tone before asking it to write, rather than asking it to produce ads from a vague description. The Stage 1 briefing prompts in this guide are designed to build that foundation.

Can Gemini write ads that follow character limits correctly?+

Gemini follows character limit instructions well when they are stated explicitly. Include the character limit in the prompt and ask it to mark the count for each element. Verify counts on the output before submitting, as occasional small errors occur. The prompts in Stage 2 of this guide include character limits for each major platform format.

How many ad variations should I generate for testing?+

For most campaigns, start with three to five variations per element you want to test: headline, primary text, or CTA. Testing too many variations at once splits budget and makes it harder to identify what caused a performance difference. Use the Stage 3 prompts to generate systematic variations, then prioritize the two or three most differentiated options for the first test round.

Can Gemini help me understand why my ads are underperforming?+

Gemini can diagnose likely causes based on the ad copy and performance data you provide. Paste the full ad, the metrics, and the audience context into the "rewrite an underperforming ad" prompt in Stage 3. The diagnosis is directional rather than definitive, since Gemini cannot access your actual ad account data, but it often surfaces the right hypotheses: weak hook, mismatched audience, generic CTA, or unclear benefit.

What is the most important element to get right in ad copy?+

The headline. On most platforms, the headline is the only element a user reads before deciding to click or scroll past. A strong headline names the benefit clearly, speaks directly to the target audience, and creates a reason to click. Body copy matters for conversion rate after the click, but headline is the primary driver of click-through rate. The Stage 3 headline variation prompts are the most valuable in this guide for improving performance.