How to Get AI to Write Copy in Your Brand Voice

Ratul Rahman

Jul 7, 2025

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Marketing

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Have you ever noticed how some brands instantly stand out because of the way they communicate? Your brand voice—the unique tone, style, and personality in your messaging—creates a connection with your audience. It’s what makes your brand recognisable, whether you’re aiming for playful, professional, or inspiring. A consistent voice across your content builds trust and loyalty, making your audience feel like they’re engaging with a familiar friend. How would you describe your brand’s voice, and why do you think it resonates with your customers?

What Challenges Might You Face with AI?

AI tools like ChatGPT or Claude can churn out content in seconds, but what happens when you ask them to write without specific instructions? You might get copy that feels generic or off-brand. Why do you think AI struggles to capture your unique voice without guidance? It’s because AI lacks the intuitive understanding of a human writer. It needs clear direction, much like a new team member learning your brand’s style. What challenges have you encountered when trying to make AI sound like your brand?

How Can You Train AI Effectively?

How might you guide AI to produce copy that feels authentically yours? Let’s explore three practical methods to train AI to reflect your brand voice, each offering a different level of depth and effort.

Simple Prompt Method

What’s the easiest way to get started? If you have a single piece of content that captures your brand’s voice, you can use it as a guide. Try providing a blog post or social media caption and ask the AI to analyze its tone. For example, you might say, “Define the tone of this text,” then use that description in future prompts. Why might this approach be appealing for a small business or someone new to AI? It’s quick and requires minimal setup. What piece of content would you choose to represent your brand’s voice?

Advanced Training Approach

How can you achieve more consistent and nuanced results? Providing multiple examples gives AI a deeper understanding of your style. Try these steps:

Explain the content’s purpose (e.g., “Write a blog post to educate customers”).
Share at least three samples, like blog articles or emails, each over 1,000 words.
Name the style, such as “Eco-Innovator,” for easy reference.
Ask the AI to generate content in that style.
Review and refine the output.

Why does this work? More examples help AI capture subtle nuances, like sentence structure or emotional tone. For instance, a B2B company might share whitepapers to ensure a professional voice. How many examples would you provide to train AI effectively? More data typically leads to better alignment.

Automated Tools

What if you could streamline the process? Some platforms analyse your website content to suggest a tone automatically. You input your website URL, select your audience, and let the tool define your voice. How might this save time for a business with a large online presence? It reduces manual effort by pulling insights directly from your existing content. What benefits could automation bring to your content strategy?

Best Practices for AI Copywriting

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How can you ensure AI produces on-brand copy consistently? Here are seven best practices, inspired by Forward Forty and HubSpot, to guide your approach:

Set a Clear Goal: Define the purpose, like informing or persuading. Clear goals focus the AI’s output.
Provide Examples: Share blog posts or social media captions to anchor the AI to your style. Examples give context for accuracy.
Specify Tone and Style: State the desired tone, like “friendly” or “bold.” This reduces ambiguity, as Optimizely notes.
Iterate and Refine: Adjust prompts based on output. Iteration improves accuracy over time.
Personalise the Output: Edit AI content to add your unique touch. Human oversight ensures authenticity.
Be Specific: Request specific formats, like a social post or table. Detailed prompts yield better results.

Define Your Audience: Describe your audience’s demographics and needs, like “eco-conscious millennials.” This tailors the content.

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Practical Example

Let’s bring this to life. Imagine you run a sustainable fashion startup with an eco-conscious, innovative voice. How would you train AI to write a product description for an organic cotton T-shirt? You could:

Simple Prompt Method: Share a blog post about your sustainable practices and ask AI to define the tone, then use it to write the description.
Advanced Training Approach: Provide three blog posts, a social media campaign, and a testimonial, naming the style “Eco-Innovator.” Prompt the AI: “Write a product description in the Eco-Innovator style for an organic cotton T-shirt targeting millennials.”
Automated Tools: Input your website URL into a platform like SEO.ai, select “millennials” as the audience, and let it suggest a tone.

The AI might produce: “Meet our organic cotton T-shirt—crafted with love for the planet and designed to inspire. Soft, sustainable, and stylish, it’s your go-to for making a difference.” How would you refine this? Adding specific details, like the T-shirt’s features or a call to action, could make it even stronger.

Additional Tips

What else can you do to ensure success? Consider these insights:

Use Signature Phrases: Include your brand’s unique phrases to mirror your style, as Forward Forty suggests.
Check Consistency: Analyze batches of content for tone consistency to maintain a unified voice.
Leverage Feedback: Treat AI like a team member, providing ongoing feedback to refine its output, as HubSpot recommends.

How might these tips fit into your strategy? For example, using signature phrases could make AI content feel more authentic.

Conclusion

Training AI to write in your brand voice is a game-changer for scaling content creation while keeping your messaging authentic. By using methods like simple prompts, advanced training, or automated tools, and following best practices like setting clear goals and defining your audience, you can make AI a powerful partner. What steps will you take to start training AI for your brand? Experiment with these approaches, tweak your prompts, and watch AI produce copy that resonates with your audience. For further reading, check the resources listed below.

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