SEO Tools Radar
Ahrefs vs Semrush: Which SEO Tool Should You Choose?
Ahrefs vs Semrush: one costs less at every monthly tier and wins on backlinks, the other gives you a free plan and AI search tracking. Here is which SEO platform fits your budget and workflow.
What matters
- Ahrefs is cheaper at every tier month-to-month: Lite $129/mo vs Semrush SEO $139/mo, Standard $249/mo vs Pro+ $299/mo, Advanced $449/mo vs Advanced $549/mo.
- Semrush defaults to showing annual pricing with 17% off : its monthly rates are higher than they first appear. Ahrefs shows monthly prices by default.
- Semrush has a free plan (10 reports/day, 1 project) and covers social media, local SEO, and content marketing beyond pure SEO. Ahrefs is SEO-only with no free tier.
- Ahrefs has the larger backlink index and more generous crawl limits. If link building is your primary SEO activity, Ahrefs is the stronger pick.
- Both tools now track AI search visibility: Semrush covers ChatGPT, Perplexity, and Gemini in all paid plans; Ahrefs adds tracked prompts starting at the Lite tier.
What Are Ahrefs and Semrush?
Ahrefs is an SEO toolset built around the world's second-most active web crawler. Its core strength is backlink analysis : it maintains one of the largest live link indexes available : alongside keyword research, rank tracking, and site auditing. Founded in 2011, it serves SEO professionals, agencies, and in-house marketing teams.
Semrush is a broader digital marketing platform that includes SEO, content marketing, social media management, local SEO, and AI search visibility tracking. Founded in 2008, it positions itself as an all-in-one marketing toolkit rather than a pure SEO tool. Semrush introduced AI visibility features in 2025–2026, tracking how domains appear in ChatGPT, Perplexity, and Gemini search results.
Ahrefs vs Semrush: Pricing Compared (July 2026)
The most important thing to know about Semrush pricing: the numbers you see on their page are annual rates after a 17% discount. Month-to-month costs are significantly higher. Ahrefs shows monthly pricing by default, with a 17% annual discount available if you prepay. Here is the live-verified pricing as of July 9, 2026.
Key Features: Where Ahrefs Wins
- Backlink index. Ahrefs runs the second-most active web crawler after Google, with over 10 years of web-scale link data. Its Site Explorer shows referring domains, new and lost links, and anchor text distribution with more freshness than Semrush's index.
- Keyword data volume. Ahrefs' Keywords Explorer covers 10+ search engines across 170+ countries. For SEOs who need volume and breadth in keyword research, Ahrefs' database is larger.
- Crawl credits. Even the Lite plan includes 100,000 crawl credits per month. The Standard plan bumps this to 500,000, and Advanced to 1.5 million : enough for large site audits without hitting usage caps.
- Per-seat flexibility. Ahrefs lets you add users à la carte at any tier ($40/mo on Lite, $60/mo on Standard, $80/mo on Advanced). Semrush charges a flat $45/mo per extra user but only from the Starter tier upward.
Key Features: Where Semrush Wins
- Free plan. Semrush offers a genuine free tier with 10 reports per day across all core tools, including AI visibility features. Ahrefs has no free plan : only paid tiers.
- AI search visibility. Semrush tracks how your domain appears in ChatGPT, Perplexity, Gemini, and other AI search engines. This is built into every paid plan. Ahrefs addresses AI visibility through tracked prompts, but the feature set is narrower.
- Multi-channel marketing. Semrush includes social media management, local SEO (Google Business Profile monitoring), content marketing tools, and PPC research. Ahrefs recently added social media (beta) and GBP monitoring (beta), but these are newer and less mature.
- All-in-one value. If you need SEO, content, social, and local tools under one login, Semrush replaces 3 to 4 separate subscriptions. Ahrefs is more focused, which is a strength for dedicated SEOs but a limitation for generalist marketers.
Who Should Choose Ahrefs?
Ahrefs is the better choice if you are a dedicated SEO specialist or agency whose primary work is link building, keyword research, and technical site audits. The backlink index is deeper, the crawl limits are more generous at comparable price points, and the interface is faster for power users who spend hours in Site Explorer and Keywords Explorer daily. You will also pay less month-to-month at every tier.
Ahrefs is not the right pick if you need social media scheduling, PPC data, or local SEO listings management : it does not cover those channels with the same depth Semrush does. And if you are just starting out and want to test the waters before committing, the lack of a free plan means you are paying $129/mo minimum to get in the door.
Who Should Choose Semrush?
Semrush wins for marketing generalists, small business owners, and teams that want one platform for SEO plus social, content, and local marketing. The free plan lets you try everything before paying, and the Starter tier at $165/mo annual includes AI visibility tracking that would cost extra on other platforms.
Agencies managing 40+ client websites will find Semrush's Advanced plan ($455.67/mo annual) competitive with Ahrefs Advanced ($449/mo monthly, roughly $373/mo annual) once you factor in the bundled social and local tools. The catch: Semrush's monthly rates are high : $549/mo for Advanced if you do not commit to annual billing. Make sure you are ready for a year-long commitment before you lock in the discount.
Ahrefs vs Semrush: The Honest Catch
The biggest pricing trap is Semrush's annual billing default. The pricing page loads with annual rates pre-selected, making the platform look $22 to $93/mo cheaper than it actually is. If you pay month-to-month, Semrush Advanced costs $549/mo : $100 more than Ahrefs Advanced at $449/mo. Always check the billing toggle before comparing.
On the Ahrefs side, the Lite plan at $129/mo is affordable, but the 6-month historical data window and 750 tracked keywords can feel restrictive fast. Many users upgrade to Standard ($249/mo) within the first quarter, making the real entry price higher than advertised.
At a glance
| Plan Tier | Ahrefs (Monthly) | Semrush (Monthly) | Semrush (Annual, 17% off) |
|---|---|---|---|
| Entry | Lite — $129/mo | SEO — $139/mo | SEO — $117.33/mo |
| Mid | Standard — $249/mo | Pro+ — $299/mo | Pro+ — $248.17/mo |
| High | Advanced — $449/mo | Advanced — $549/mo | Advanced — $455.67/mo |
| Free tier | None | Free — 10 reports/day | Same |
| Entry limits | 5 projects, 750 KWs | 5 websites, 500 KWs | Same |
| Mid limits | 20 projects, 2,000 KWs | 15 websites, 1,500 KWs | Same |
| High limits | 50 projects, 5,000 KWs | 40 websites, 5,000 KWs | Same |
| Extra users | $40–$80/mo each | Not available on SEO plan | $45/mo each (Starter+) |
FAQ
Is Semrush free?
Yes, Semrush offers a free plan with 10 reports per day across core tools, one demo project, and access to AI visibility features. No credit card is required. Ahrefs does not offer a free plan.
Which is better for backlinks, Ahrefs or Semrush?
Ahrefs is widely considered the stronger backlink tool, with a larger and more frequently updated link index. Its Site Explorer provides more detailed referring domain data, link growth charts, and anchor text analysis. Semrush's backlink tool is capable but lags behind in index freshness and depth.
Can I use both Ahrefs and Semrush?
Some agencies and enterprise SEO teams do use both: Ahrefs for backlink analysis and keyword research, Semrush for content marketing, social media, and AI visibility tracking. The combined cost starts around $250/mo at the entry tiers and is most common for teams where no single tool covers every workflow.