Your AI can generate 50 hashtag ideas in seconds. But it has no idea which ones actually drive engagement for your account. Ooty analyses your posting history, ranks every hashtag you have used by real engagement rate, and identifies the tags in your top-performing content across Instagram and X. Ask ChatGPT, Gemini, or Claude which hashtags to keep and which to drop.
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Jake Morrison
Content Creator (120K followers), Self-employed
“I have a spreadsheet with 200 hashtags and their reach numbers, all typed in by hand over 6 months. I paste the list into ChatGPT and ask which ones to use, but it has no way to check if my data is still accurate.”
This is what it looks like in Gemini
Replace the {placeholders} with your details, then paste into ChatGPT, Gemini, or Claude.
Which hashtags appear most often in my top-performing Instagram posts?
Analyses hashtag frequency in your highest-engagement posts to surface your most effective tags.
What hashtags are people using when they mention your brand on Instagram?
Finds hashtags associated with brand mentions to identify community conversation patterns.
Find hashtags related to your niche or topic that appear in high-engagement posts on Instagram.
Discovers topic-relevant hashtags linked to engaging content in a specific niche.
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Hashtag strategy on social media has shifted dramatically. In 2020, stuffing 30 hashtags on every Instagram post was standard advice. By 2026, Instagram's own recommendation is 3 to 5 highly relevant hashtags. The algorithm now penalises low-relevance tags that attract the wrong audience, because they generate impressions without engagement, which signals to Instagram that your content is not resonating.
The hashtags worth keeping are the ones that correlate with above-average engagement on your posts. This requires measuring performance per hashtag, not per post. A post with 10 hashtags that gets 500 likes tells you nothing about which tags drove discovery. But if you track engagement rates across 50 posts and notice that posts containing #skincareroutine consistently outperform those with #beautytips, you have an actionable signal. Drop the underperformers and double down on what works.
Hashtag tiers matter for reach strategy. Mega hashtags (over 10 million posts) put you in a firehose where your content disappears in seconds. Micro hashtags (10,000 to 100,000 posts) offer better visibility to a targeted audience. Niche hashtags (under 10,000 posts) can put you at the top of the tag page for days. A balanced strategy uses 1 to 2 hashtags from each tier. The mistake most accounts make is loading up on mega hashtags because they look impressive. Track your hashtag performance for 30 days and you will likely discover that your highest-reach tags are mid-tier ones where competition is lower and your content stands out.