Ahrefs vs Semrush
Ahrefs: All-in-one SEO suite for backlinks, keywords and site audits, with built-in AI helpers. Semrush: An SEO and marketing suite with AI writing and visibility tools. Here is how they compare on features, pricing, platforms, pros and cons.
Quick verdict
Ahrefs
Best for: Marketers and SEO specialists who need deep search data.
Stands out for: Very large, trusted data set; Free webmaster tools for your own site.
Semrush
Best for: Marketers managing SEO and paid search.
Stands out for: Very broad feature set; Large keyword and backlink data.
Side-by-side comparison
| Visit ahrefs.com (opens in a new tab) | Visit semrush.com (opens in a new tab) | |
|---|---|---|
| What it is | All-in-one SEO suite for backlinks, keywords and site audits, with built-in AI helpers. | An SEO and marketing suite with AI writing and visibility tools. |
| Pricing | PaidSome free webmaster tools | Free trial |
| Free to use | No | No |
| Category | AI Marketing & SEO | AI Marketing & SEO |
| Editor rank | #1 in category | #3 in category |
| Made by | Ahrefs | Semrush |
| Best for | Marketers and SEO specialists who need deep search data. | Marketers managing SEO and paid search. |
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Ahrefs vs Semrush: questions
Is Ahrefs better than Semrush?
Neither wins for everyone. Our editors rank Ahrefs slightly higher overall in AI Marketing & SEO, but Semrush can be the better fit: Marketers managing SEO and paid search.
Which is free, Ahrefs or Semrush?
Neither has an ongoing free plan: Ahrefs is paid and Semrush is free trial.
Can I use Ahrefs and Semrush together?
Yes. Many people keep both and pick per task, for example see which sites link to a competitor with Ahrefs, and research keywords and competitors with Semrush.