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Best prompts for Instagram Captions for engagement questions using trending topics
Twelve ready-to-use AI prompts to generate Instagram captions that leverage current trending topics and end with a clear engagement question. Each prompt is copy-ready, explains the goal, and includes a realistic caption example you can post immediately.
GPT-5
Claude Opus 4
Claude Sonnet 4
Gemini 2.5 Flash
Gemini 2.5 Pro
You know that sinking feeling when you're staring at your phone, trying to come up with the perfect Instagram caption that will actually get people talking? You've got a great post ready to go, but the words just won't come, and you end up with something generic that gets buried in your followers' feeds. We've all been there, watching our carefully curated content get crickets while wondering what magic formula the viral accounts are using.
These 12 AI prompts transform your caption writing from guesswork into a reliable system that generates real engagement every single time. Each prompt is designed to tap into trending topics while ending with the kind of questions that make people stop scrolling and start commenting. Instead of spending 20 minutes crafting captions that fall flat, you'll have a toolkit that delivers conversation-starting posts in under 5 minutes, complete with examples you can use immediately.
1
Short playful caption with a clear question and two hashtags
Write a short, playful Instagram caption about [trending_topic] that ends with a direct question to prompt comments. Include one relevant emoji and exactly two hashtags. Keep it under 220 characters and match a fun, casual brand voice.
Create a short, playful caption about [trending_topic] that ends with a direct question to encourage comments, includes two relevant hashtags, one emoji, and stays under 220 characters.
2
Informative caption that invites opinions from followers
Generate a concise Instagram caption that explains in 1–2 lines why [trending_topic] matters right now, then ask followers for their thoughts with a clear CTA ('Comment below' or similar). Add two relevant hashtags and keep the tone professional-casual.
Provide a concise caption that explains why [trending_topic] matters, then asks followers for their opinion. Include one CTA like 'comment below' and two topical hashtags.
3
Trend + personal anecdote + engagement question
Compose an Instagram caption that opens with a one-sentence personal anecdote about [trending_topic], then asks followers one specific question to invite stories. Use warm, relatable language and include one hashtag and one emoji.
Write a caption that ties a short personal anecdote about experiencing [trending_topic] to a single engagement question that invites followers to share similar stories.
4
Countdown/slider poll caption for Stories or feed
Write an Instagram caption to accompany a story or post about [trending_topic], suggesting a poll/slider action and ending with a question that prompts votes/comments. Include two emojis and a short CTA like 'Slide to vote' or 'Tell me below'.
Create a caption that introduces a quick poll or slider idea around [trending_topic] and ends with a question prompting followers to vote or comment. Include one CTA and two emojis.
5
Contrast two trending options and ask followers to pick
Generate an Instagram caption that presents two clear, contrasting options related to [trending_topic] (Option A vs Option B), asks followers to choose one in the comments, and includes one emoji and one hashtag.
Produce a caption that quickly contrasts two trending choices (A vs B) related to [trending_topic], asks followers to pick one, and adds a hashtag and emoji. Optimized for comment engagement.
6
Trend + quick tip + call-to-action question
Write an Instagram caption that shares one actionable tip about [trending_topic], then asks followers to share their tips or experiences. Use a friendly tone, include one hashtag, and keep it concise.
Create a caption that gives one useful tip related to [trending_topic], then asks followers if they have their own tips or experiences. Include one hashtag and keep it under 280 characters.
7
Nostalgic angle on a current trend with an invite to reminisce
Compose an Instagram caption that ties [trending_topic] to a brief nostalgic memory, then asks followers to share theirs in one line. Keep it warm and evocative; include one emoji and no more than 2 hashtags.
Write a caption that connects [trending_topic] to a nostalgic memory, then invites followers to share their memory in one sentence. Use soft, emotive language and include one emoji.
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