Semrush tells you how you rank across the open web. MentionOS tells you whether AI recommends you at all, and does the work to make sure it does.
MentionOS vs Semrush, side by side
| Dimension |  MentionOS | SSemrush |
|---|---|---|
| Primary focus | AI answer visibility across assistants | All-in-one SEO & marketing suite |
| Tracks brand mentions in AI answers | ChatGPT, Perplexity, Gemini, Google AI | Position tracking, keyword level |
| Autonomous action | Drafts and publishes coverage for you | Reports and audits, you act on them |
| Built for e-commerce | Shopify, Woo, BigCommerce, Wix, Webflow | General-purpose suite |
| Backlink & keyword research | Not a backlink or keyword tool | Large keyword & backlink database |
| Rival tracking inside AI answers | Ranks you against rivals per answer | Not built for AI answer share |
| Time to first insight | Minutes after connecting your store | Setup required to unlock depth |
| Starting price | $79/mo in beta | Higher, tiered by plan |
| Free option | Free AI visibility audit, no card | Limited free tier |
Competitor details are indicative and current as of July 2026.
MentionOS vs Semrush: the full comparison
Semrush is one of the most complete SEO and marketing suites available: keyword research, rank tracking, site audits, competitor analysis, advertising and social tools in one place. If your work lives in the world of Google results and paid channels, it is a powerful home base.
Where the two tools diverge
MentionOS is not a suite. It does one job the suites don't: it watches how ChatGPT, Perplexity, Gemini and Google AI answer the questions your shoppers ask, reports whether your brand is named, and ranks you against the rivals in each answer. As buyers shift from scrolling results to acting on a single AI recommendation, that is where the next customer is won or lost.
And where Semrush reports, MentionOS acts. It drafts and publishes the coverage that keeps your brand in the answer, at the product level, for stores on Shopify, WooCommerce, BigCommerce, Wix and Webflow.
Which should you use?
Keep Semrush for the breadth of traditional SEO and marketing. Add MentionOS for visibility inside AI answers and to act on it automatically.
Why choose MentionOS over Semrush
See what AI says about you
MentionOS shows whether ChatGPT, Perplexity, Gemini and Google AI actually name you when a shopper asks — not just where you rank on Google.
It acts, not just reports
Most tools hand you a dashboard. MentionOS drafts and publishes the coverage to keep you named, then flags the moment a rival climbs.
Built for your store
Native to Shopify, Woo, BigCommerce, Wix and Webflow, with reads tied to the products your shoppers actually ask about.
FAQs
Straight answers on MentionOS vs Semrush, no fine print.
Is MentionOS a replacement for Semrush?
No. Semrush is a broad SEO and marketing suite. MentionOS covers the AI answer layer it isn’t built for, and acts on it for you.
Which AI platforms does MentionOS track?
ChatGPT, Perplexity, Gemini and Google's AI answers. It reports where your brand lands in each and how you rank against rivals.
Does MentionOS work with my store?
Yes. It's built for Shopify, WooCommerce, BigCommerce, Wix and Webflow, with product-level reads tied to what shoppers ask.
What does it cost to start?
$79/mo in beta, for as long as you stay. You can run a free AI visibility audit first, without a credit card.