Semrush vs Ahrefs
The defining rivalry in SEO software pits the broad marketing suite against the data specialist. In 2026 the AI-visibility race added a new dimension.
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Semrush
The everything-suite, now tracking AI answers too.
Ahrefs
The backlink king with the cleanest data in SEO.
Prices last checked on
| Feature | Semrush | Ahrefs |
|---|---|---|
| Our score | 4.6 / 5 | 4.6 / 5 |
| Price | From $117.33/mo | From $29/mo |
| Free plan | No | No |
| Best for | Agencies and serious businesses | Link building and competitor research |
| Category | All-in-one suites | All-in-one suites |
| Provider | Semrush Inc. | Ahrefs Pte. Ltd. |
| Visit Semrush | Visit Ahrefs |
Our verdict
Semrush wins for breadth and for the AI era, with PPC, content, and social tools next to SEO, plus Semrush One’s tracking of brand visibility in ChatGPT, Perplexity, and Gemini included rather than sold separately (Ahrefs charges $199 a month extra for Brand Radar). Ahrefs wins on the data itself.
It has the industry’s largest live link index (around 500 million referring domains) and the interface professionals find faster for pure SEO work. Agencies and marketing teams should take Semrush. Link builders and SEO specialists should take Ahrefs. Both punish casual users with professional pricing.
Check SE Ranking first if you are not sure you need either.
“The most complete marketing suite in the business, and with Semrush One it moved first on the AI era, tracking how often ChatGPT, Perplexity, and Gemini mention your brand. Expensive, occasionally overwhelming, and still the safest professional default.”Editorial team, on Semrush
“The tool SEO professionals trust most for the data itself. That means the largest live backlink index in the industry and a keyword explorer that rarely misleads. Less broad than Semrush, more loved by specialists, and the Brand Radar add-on answers the AI question for $199 a month extra.”Editorial team, on Ahrefs
Frequently asked questions
Semrush or Ahrefs: which one should I buy in 2026?
Semrush for agencies and marketing teams, Ahrefs for link builders and SEO specialists. Semrush wins on breadth and on the AI era, with PPC, content, and social tools next to SEO, plus brand visibility tracking across ChatGPT, Perplexity, and Gemini in Semrush One. Ahrefs wins on the data itself, with the largest live link index at around 500 million referring domains.
Which is more expensive, Semrush or Ahrefs?
Semrush, at the entry tier. Pro is $139.95 a month billed monthly, about $117.49 a month on annual billing, against $108 a month for Ahrefs Lite. The gap widens once AI visibility matters, because Semrush includes that tracking while Ahrefs sells Brand Radar as a $199 a month add-on. US dollars, last checked August 2026.
Do I need both Semrush and Ahrefs?
Rarely, and almost never at these prices. The overlap in keyword research and rank tracking is large, and together they cost more than most SEO budgets allow. Agencies that genuinely run both keep Ahrefs for link analysis and Semrush for reporting and competitor work. If you are unsure you need either, look at SE Ranking at $103.20 a month first.