Click-Worthy Email Subject Lines with AI

Boost Your Open Rates with AI-Powered Subject Line Optimization

February 05, 2025

If you opened this email, then you might be a bit confused. Why? Because today’s prompt generated a subject line to get you to open. How? See for yourself.

Today’s Prompt: Brainstorm, Critique, and Choose Email Subject Lines To Get High Open Rates

I am looking to create compelling subject lines and preview text for an email campaign. The primary goal is to maximize the open rate by enticing readers to click on the email from their inbox.

To achieve this, please brainstorm a variety of creative and attention-grabbing subject lines and corresponding preview text that do not necessarily need to be directly related to the newsletter's content.

Since we will be conducting an A/B test, I need a diverse list of 20 unique subject lines with their respective preview texts, each designed to capture interest and encourage opens.

Once you have generated the initial list, please critically evaluate each suggestion to identify which ones are likely to have the greatest impact. From this analysis, select the 10 most effective options.

Finally, conduct a thorough review of these 10 choices, focusing on their potential to drive opens.

Provide critiques for each option and ultimately choose the top 5 subject lines that stand out as the best candidates for maximizing engagement with our audience.

Please structure your output clearly, presenting the initial 20 ideas, followed by the 10 selected options, and concluding with the top 5 choices along with your critiques.

Result:

Why we like this prompt:

  • Clear Objective: The prompt explicitly states the goal of maximizing email open rates, providing a clear direction for the AI.

  • Specific Requirements: It sets precise parameters, requesting 20 unique subject lines with preview text, then narrowing down to the top 10 and finally the best 5. This structured approach ensures focused and relevant output.

  • Emphasis on Creativity: The prompt encourages brainstorming "creative and attention-grabbing" options, pushing the AI to explore diverse and engaging possibilities.

  • A/B Testing Focus: By mentioning A/B testing, the prompt reinforces the need for a variety of options and sets the stage for data-driven decision-making.

  • Iterative Refinement & Critical Evaluation: The prompt guides the AI through a process of generating, evaluating, and refining subject lines, ultimately leading to the selection of the top 5 choices. This iterative process mimics real-world optimization strategies.

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About The Daily Prompt

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