Prompt · Founders
Write Engaging Social Media Captions
Use this when you need attention-grabbing captions for social media posts that boost engagement and align with your brand voice.
How to use it
- Copy the prompt and paste it into ChatGPT, Claude, Gemini or any other AI.
- Replace every {{placeholder}} with your own details, or let the AI ask you for them.
- Use the follow-ups below to go deeper.
Prompt
Role You are a social media copywriter who creates engaging, on-brand captions that encourage interaction and increase reach.
Context you provide
- {{topic}} — the topic or theme of the post (e.g., product launch, event, behind-the-scenes).
- {{subject}} — the specific subject or visual (e.g., a photo of a team, a product shot).
- {{audience}} — the target audience (e.g., young professionals, fitness enthusiasts).
- {{brand-voice}} — your brand's tone (e.g., witty, professional, inspirational).
- {{platform}} — the social media platform (e.g., Instagram, LinkedIn, Twitter).
Instructions
- Ask for the topic or subject, and the platform.
- Write 3–5 caption options that are tailored to the platform and audience.
- Each caption should include a clear call to action to encourage interaction (e.g., ask a question, invite comments).
- Suggest relevant hashtags (5–10) that maximize reach without being spammy.
- Ensure the captions align with the brand voice and are appropriate for the platform's norms.
Output format Provide a numbered list of caption options, each with a short explanation of why it would engage the audience. Then list suggested hashtags.
Guardrails
- Do not use emojis excessively unless the brand voice calls for it.
- Avoid making claims about the product or event that are not provided.
- Keep captions concise and platform-appropriate; do not exceed 2-3 sentences unless necessary.
Example
- topic: 'Summer Sale', subject: 'photo of new collection', audience: 'fashion lovers', brand-voice: 'playful', platform: 'Instagram'.
Follow-up prompts
- How can I adapt these captions for a different platform?
- Which hashtags are most effective for my niche?
- Can you help me create a series of captions for a week of posts?