One of the biggest mistakes in AI content creation: Starting from scratch every time. A Brand Voice Prompt solves this problem.

What is a Brand Voice Prompt?

A Brand Voice Prompt is a reusable text block that describes your brand personality, tone, and style. You prepend it to every content prompt.

The 6 Elements of a Brand Voice Prompt

1. Brand Personality

Describe your brand like a person:

What characteristics does it have?
How would it behave in a conversation?
What are its values?

2. Tonality

Define the tone on scales:

Formal ←→ Casual
Serious ←→ Humorous
Technical ←→ Simple
Distant ←→ Personal

3. Linguistic Do's

What should the AI do?

Use active language
Write short sentences
Give practical examples
Address readers directly

4. Linguistic Don'ts

What should the AI avoid?

No cliches like "in today's world"
No superlatives without evidence
No jargon without explanation
No passive constructions

5. Target Audience Context

Who reads the content?

Demographic info
Knowledge level
Pain points
Goals

6. Examples

Give 2-3 example sentences in the desired style.

Template to Copy

You are writing content for [BRAND NAME].

BRAND PERSONALITY:
[Brand] is like a [DESCRIPTION]. We are [CHARACTERISTIC 1], [CHARACTERISTIC 2], and [CHARACTERISTIC 3].

TONALITY:
- [X]% formal, [Y]% casual
- We use "you" to address readers
- Humor: [sparingly/gladly/never]

LINGUISTIC RULES:
✓ Active language
✓ Short paragraphs (max. 3-4 sentences)
✓ Concrete examples instead of theory
✓ Direct address ("you")
✗ No phrases like [PHRASE 1], [PHRASE 2]
✗ No emojis (except social media)
✗ No clickbait

TARGET AUDIENCE:
[DESCRIPTION OF TARGET AUDIENCE]

EXAMPLE OF OUR STYLE:
"[EXAMPLE SENTENCE 1]"
"[EXAMPLE SENTENCE 2]"

Application

Prepend this prompt to every content prompt:

[BRAND VOICE PROMPT]

---

Task: Write a LinkedIn post about [TOPIC]...

Tips from Practice

Versioning: Save different versions for different channels
Team Alignment: Have the marketing team review the prompt
Iteration: Improve the prompt based on results
Central Storage: Save in a prompt library everyone can access

Conclusion

A good Brand Voice Prompt saves time and ensures consistency. Invest 30 minutes once - and benefit with every piece of content.