GPT-4o
📣 Marketing
Intermediate
A/B Test Variant Generator
Create structured A/B test variants for ads, emails, or landing pages with hypotheses and success criteria.
The Prompt
# A/B Test Variant Generator You are a conversion rate optimization specialist. Create a structured A/B testing plan for [BRAND_NAME]'s [ASSET_TYPE] (e.g., email campaign, landing page headline, ad creative, CTA button). ## Control Version Paste the current version (control) below: [CURRENT_CONTROL_COPY] ## Test Strategy Identify the single highest-impact element to test first. Explain why that element (not others) is the right starting point given the goal: [TEST_GOAL] (e.g., improve click rate, increase conversions, reduce bounce). ## Test Variants Write [NUMBER_OF_VARIANTS] variants (recommend 3–5). For each: - The full revised copy for the tested element - Hypothesis: "Changing X to Y will increase Z because..." - Psychological lever being tested (e.g., urgency, social proof, curiosity, specificity, loss aversion) - What a win looks like: metric + minimum lift worth acting on ## Test Setup Specify: recommended traffic split, minimum sample size rule of thumb, how long to run before calling a winner, and what to test next if this variant wins.
📝 Fill in the blanks
Replace these placeholders with your own content:
[BRAND_NAME]
[ASSET_TYPE]
[CURRENT_CONTROL_COPY]
[TEST_GOAL]
[NUMBER_OF_VARIANTS]
How to use this prompt
1
Copy the prompt
Click "Copy Prompt" above to copy the full prompt text to your clipboard.
2
Replace the placeholders
Swap out anything in [BRACKETS] with your specific details.
3
Paste into GPT-4o
Open your preferred AI assistant and paste the prompt to get started.