30 Gemini Prompts for Social Media That Boost Engagement

Google’s Gemini brings useful strengths to social media work: it handles multi-step briefs well, can analyse images you upload and combines creative writing with strategic thinking in a single answer. The right Gemini prompts for social media use those strengths to plan content, write platform-ready posts, manage your community and learn from your results.

Below are 30 prompts across five areas: strategy and planning, hooks and captions, visual and video content, community and brand voice, and repurposing and performance. They are written for Gemini but work in any AI chat.

Social content has to fit the platform, the audience and the brand at the same time. Include:

• Platform: each has its own length, tone and format, so say which one
• Audience: who they are and what makes them stop scrolling
• Brand voice: a few traits or a sample post
• Goal: reach, engagement, clicks or sales — and the action you want people to take

Model choice matters too. Gemini 3 Pro handles strategy and long briefs well, while Gemini 3.5 Flash is fast for batches of hooks and captions.

Strategy decides what you post before you write a single caption. The AI idea generator helps widen your list of topics, and Gemini 3.1 Flash Lite is quick for rounds of calendar ideas.

1. Platform-specific strategy

Build a social media strategy for [brand] on [platforms]. Audience: [describe]. Goal: [awareness / engagement / leads / sales]. For each platform, define its role, the content formats that work best, posting frequency and one KPI, and explain how the platforms work together.

2. Content pillars

Define four social media content pillars for [brand] that balance education, entertainment, community and promotion. For each pillar, give its purpose, five post ideas and the best format.

3. 30-day content calendar

Create a 30-day content calendar for [brand] on [platform]. For each day, give the pillar, format, topic, hook and CTA, and leave two trend-friendly slots per week that I can fill at the last minute.

4. Competitor content audit

Here are descriptions of recent posts from [competitors]: [paste]. Identify the formats and topics getting the most engagement, the gaps nobody is filling, and three content ideas that would help us stand out.

5. Trend to content

This trend is currently popular on [platform]: [describe trend]. Suggest three ways [brand] could join in that fit our voice — [describe] — and flag if the trend is a poor fit or risky for us.

6. Social audience persona

Create a social media persona for [brand]’s core follower: when they scroll, what stops them, what they share, the kind of creators they follow and the posts that make them comment.

Posts live or die on their first line. Pair these prompts with the Instagram caption generator and the social media post generator for quick drafts, and try Grok 4.5 when writing threads for X.

7. Viral hook architecture

Write 15 opening hooks for [platform] posts about [topic], using five structures — bold claim, question, mistake, number and before-and-after — with three hooks each. Keep each under 12 words and mark the three most likely to stop the scroll.

8. Instagram caption system

Write three Instagram captions for a post about [topic]: short (under 30 words), medium (under 80 words) and a long storytelling version (under 200 words). Each needs a strong first line, a clear CTA and 5–8 hashtags that mix broad and niche terms.

9. LinkedIn authority post

Write a LinkedIn post that positions [person or brand] as an authority on [topic]. Open with a specific insight or contrarian point, back it with one example or data point, share a practical takeaway and end with a question. Keep it under 250 words in short paragraphs.

10. X thread

Turn this idea into an X thread of 7–10 posts: [idea or article]. Start with a hook that promises a clear payoff, keep one idea per post so each stands alone, and end with a summary and a prompt to follow.

11. TikTok caption and on-screen text

Write the caption, on-screen text and three hashtags for a TikTok video about [topic]. Keep the caption under 150 characters and make the on-screen hook readable in two seconds.

12. Facebook community post

Write a Facebook post for [brand]’s community that invites conversation about [topic]. Ask an easy, open question, share a short personal angle and keep it under 80 words.

Gemini can analyse images you upload, which makes it useful for visual content. Create matching visuals with Nano Banana Pro, or use Nano Banana for fast variations of a post image.

13. Carousel storytelling

Plan an eight-slide Instagram or LinkedIn carousel about [topic]. Slide 1 is a hook, slides 2–7 each deliver one point, and slide 8 is a summary and CTA. Give the headline, body text and visual idea for each slide.

14. Short-form video script

Write a 30-second Reels or TikTok script about [topic]. Include a hook in the first two seconds, three quick beats, on-screen text and a CTA, formatted as a table with time, visual, voiceover and text.

15. Content ideas from a photo

I have attached a photo of [product or scene]. Describe what stands out visually, suggest three post angles that use this image, write a caption for each, and explain how to crop it for feed, Stories and Reels.

16. Stories sequence

Plan a five-frame Instagram Stories sequence for [goal, e.g. launching a product]. Describe each frame, its text and which interactive sticker — poll, quiz, question or countdown — to use.

17. Cover and thumbnail brief

Write a design brief for a cover image for a [YouTube video / Reel / carousel] about [topic]. Describe the main visual, the facial expression if a person is shown, the text (under five words), the colours and the composition.

18. UGC creator brief

Write a brief for a creator making a UGC-style video about [product]. Include the key message, three must-say points, what to avoid, the tone, the length and a sample opening line.

Community work needs care and a consistent tone. Claude Sonnet 5 tends to handle sensitive replies with nuance, and the AI rewording tool helps you soften or sharpen a response.

19. Community response bank

Create a response bank for [brand]’s social comments: 10 replies each for praise, questions, complaints, and spam or trolling. Keep the tone [describe] and each reply under 30 words, and note when to move a conversation to DMs.

20. Brand voice calibration

Here are three of our best-performing posts: [paste]. Describe our social voice in four traits with examples, list words we should use and avoid, and rewrite this new draft in the same voice: [paste draft].

21. Crisis response draft

A negative situation is spreading about [brand]: [describe]. Draft a short public response that acknowledges the issue, explains what we are doing and when we will update, without sounding defensive. Also list what not to say.

22. DM reply templates

Write DM reply templates for [brand] for common messages: pricing questions, collaboration requests, order issues and general praise. Keep each friendly, short and on-brand.

23. Creator outreach message

Write a short outreach message to a [type of creator] inviting them to collaborate with [brand] on [campaign]. Personalise it to their content, explain the value for them and propose a clear next step.

24. UGC request post

Write a post asking our followers to share photos or videos of themselves using [product] with [hashtag]. Make it exciting, explain what they get in return and give clear, simple steps.

Repurposing turns one idea into many, and analysis shows what is actually working. The AI article summarizer condenses long content before you repurpose it, and DeepSeek V4 Pro is useful for working through performance data.

25. Content repurposing engine

Repurpose this [blog post / video transcript / podcast] into a week of social content: [paste]. Create a LinkedIn post, an X thread, an Instagram carousel outline, two short-video hooks and three quote posts, adapting the tone for each platform.

26. Post-performance analysis

Here are metrics for our last [number] posts: [paste reach, engagement rate, saves, shares, comments]. Identify patterns in what performed best and worst, the most likely reasons, and five changes to make next month.

27. Caption A/B test

Write two caption versions for the same post about [topic] to A/B test: one short and direct, one story-led. Explain what each version tests and how to judge the winner.

28. Posting time analysis

Here is our post timing and engagement data: [paste]. Identify the best days and times for each platform, account for our audience’s time zone, and suggest a posting schedule.

29. Evergreen post refresh

Here are our top-performing posts from the past year: [paste]. Suggest how to refresh each one for today — a new hook, an updated angle or a different format — without repeating it word for word.

30. Monthly social report

Turn these social media results into a one-page monthly report for [manager or client]: [paste]. Lead with three takeaways, show growth by platform, highlight the best post and why it worked, and list next month’s priorities.

Chat Smith gives you Gemini alongside GPT, Claude, Grok and DeepSeek, plus image models, in one app. Plan with one model, write with another and create visuals in the same place, then save your best prompts as templates.

Ask GPT-6 Astra for a fresh set of angles when your content starts to feel repetitive. AI speeds up the work, but the conversations you have with your audience are still what builds a community.