Semrush vs Ahrefs (2026): features, security and which one to buy
Semrush and Ahrefs compared on what they do, who they suit, their key features, pros and cons, and what each vendor publishes on security, admin and contract terms, with every fact checked on October 24, 2026.
Semrush or Ahrefs: the short answer
Choose Semrush if
- Marketing teams that want keyword, audit, backlink and AI visibility tools in one login.
- Teams that can live with 5 to 15 websites per plan.
Choose Ahrefs if
- SEO and link-building teams who value backlink and competitor data.
- Small teams of 1 to 3 users.
What are Semrush and Ahrefs?
Semrush
All-in-one SEO and AI search visibility suite sold as tiered subscriptions with per-plan project and tracking caps. Marketing teams wanting keyword, audit, backlink and AI visibility work behind one login should shortlist it, at EUR 112.52 a month on annual billing. Budget for add-ons such as extra users from EUR 43, and check the 5 to 15 website limit per plan.
Ahrefs
Bootstrapped SEO suite known for its backlink index, priced per plan with paid extra seats and AI add-ons. Link builders and SEO teams of one to three people choose it for backlink and competitor data. Extra seats are billed one by one, and AI checks, Brand Radar and reports are paid add-ons. Individuals on a budget find the cost the main obstacle.
Semrush vs Ahrefs: features compared
| Semrush | Ahrefs | |
|---|---|---|
| What it is | All-in-one SEO and AI search visibility suite sold as tiered subscriptions with per-plan project and tracking caps. | Bootstrapped SEO suite known for its backlink index, priced per plan with paid extra seats and AI add-ons. |
| Best for | Marketing teams that want keyword, audit, backlink and AI visibility tools in one login. | SEO and link-building teams who value backlink and competitor data. |
| Technical site audit | Not published | Crawl credits per month: 100,000 (Lite), 500,000 (Standard), 1.5M (Advanced) |
| Rank tracking | Position tracking: 500 keywords daily on SEO and Starter, 1,500 on Pro+, 5,000+ on Advanced. | Tracked keywords: 750 / 2,000 / 5,000 on Lite / Standard / Advanced. |
| Content optimization and AI features | AI visibility tracking: 50 prompts (Starter), 100 (Pro+), unlimited (Advanced) | AI prompt checks: 150 / 300 / 600; Brand Radar AI add-on from $199/mo. |
| Reporting and white label | Base Report add-on EUR 9.59/mo, Pro Report add-on EUR 19.18/mo. | Report Builder add-on $99/mo (50 reports, 500 widgets, scheduling) |
| Project and credit limits | Websites per plan: 5 / 5 / 15 / 40+; results per report not published. | Projects: 5 / 20 / 50; verified projects unlimited; historical data 6 months / 2 years / 5 years. |
| Free plan or trial | Free plan, Free trial | Free plan |
| Starting price | EUR 112.52/month billed annually (SEO plan), EUR 134 billed monthly | $29/month (Starter); $129/month (Lite) |
| G2 rating | 4.4 (4,016 reviews) | 4.5 (709 reviews) |
Pros and cons
Semrush
Pros
- Broad toolset in one suite.
- Strong backlink audit capabilities.
Cons
- Expensive for small teams.
- Add-on pricing adds up.
- Steep learning curve.
Ahrefs
Pros
- Accurate SEO data.
- Strong backlink and competitor analysis.
Cons
- Expensive for individuals and small businesses.
- AI tool inaccuracies.
- No local SEO tools.
Semrush vs Ahrefs pricing
Semrush starts at EUR 112.52/month billed annually (SEO plan), EUR 134 billed monthly and Ahrefs at $29/month (Starter); $129/month (Lite). The pricing bases differ, so compare the full quote for your team rather than the entry price.
| Semrush | Ahrefs | |
|---|---|---|
| Pricing model | flat per plan plus paid extra users | flat per plan plus paid extra seats |
| Per seat per month | EUR 43 per additional user per month (add-on); base plans do not publish seat counts. | $40/mo extra seat on Lite, $60 on Standard, $80 on Advanced (1 user included) |
| Billing | Monthly and annual. | Monthly and annual. |
| 20 users per year | Pro+ at EUR 238/mo annual = EUR 2,856/yr base; seat count included is not published, so 20 users cannot be computed from published prices. If 1 seat were included, 19 extra users at EUR 43/mo = EUR 9,804/yr (assumption, not confirmed by the vendor) | Not possible on the self-serve plans: Standard allows 5 extra seats and Advanced 10, so a 20-person team needs Enterprise (from $1,499/mo; extra seats priced on request) |
| Add-ons | Additional Users from EUR 43/mo; Lead Generation EUR 86.31/mo; Base Report EUR 9.59/mo. | Brand Radar AI from $199/mo; Report Builder $99/mo; Content Kit from $99/mo. |
Security, admin and contract: Semrush vs Ahrefs
What each vendor states publicly about single sign-on, provisioning, audit logs, data location and the contract. A blank is a question for the sales call, not a no.
| Semrush | Ahrefs | |
|---|---|---|
| SAML SSO | Not published | Enterprise only. |
| Data residency | Primary region not named; EEA data transferred to the US under SCCs; subprocessor list published. | Not published |
| DPA | Yes, public Data Processing Addendum (updated July 2025) | Not published |
| Contract | Free trial 7 days, cancel anytime per pricing page; monthly billing available. | Enterprise requires annual commitment; other plans monthly or annual. |
Differences most comparisons miss
Worth knowing about Semrush
- Extra users cost from EUR 43/mo each, so seats are a separate cost line.
- Reports like Base Report and Pro Report and Lead Generation are paid add-ons on top of plans.
- Public DPA exists; EEA data is transferred to the US under SCCs and the primary hosting region is not named.
- Free plan limits you to 1 demo project and 10 reports per day.
Worth knowing about Ahrefs
- SSO is listed only with the Enterprise plan at $1,499/mo, which needs an annual commitment.
- Extra seats cost $40 to $80/mo depending on plan.
- Historical data depth ranges from 6 months on Lite to 5 years on Advanced.
- Brand Radar AI add-on starts at $199/mo, custom prompt packages billed per check beyond quota.
Semrush vs Ahrefs: frequently asked questions
Which is better, Semrush or Ahrefs?
It depends on the team. Semrush is the stronger pick for marketing teams that want keyword, audit, backlink and AI visibility tools in one login, while Ahrefs suits SEO and link-building teams who value backlink and competitor data. Compare the feature rows above against your must-haves before you look at price.
Do Semrush and Ahrefs support SAML single sign-on?
Semrush: not stated on its public pages. Ahrefs: enterprise only. Confirm the plan in writing before you compare prices.
Can I try Semrush and Ahrefs for free?
Semrush: free plan, free trial. Ahrefs: free plan.
Sources
Both columns use the same sources: vendor pricing and product pages, documentation, G2 and company records, checked on October 24, 2026. Full source lists are on the Semrush and Ahrefs reviews.