Ahrefs vs Semrush vs Moz (2026)

Ahrefs, Semrush, and Moz are the three names that come up in literally every “best SEO tool” conversation — and for good reason. Each one has been refined over a decade-plus to solve SEO problems in a slightly different way: Ahrefs through raw backlink and content data, Semrush through breadth across SEO, PPC, and now AI visibility, and Moz through accessibility, education, and the Domain Authority metric the entire industry still quotes. In 2026, the comparison has a new dimension entirely — which of these tools actually tracks your brand inside ChatGPT, Gemini, and Google’s AI Overviews, not just on the traditional SERP. We tested all three, compared real 2026 pricing, and broke down exactly where each one wins.

01Ahrefs vs Semrush vs Moz at a Glance

Before diving into the details, here’s how the three platforms stack up on the things that matter most for most buyers — starting price, what they’re actually built for, and who they suit best.

Ahrefs

Backlink & Content Intelligence

$29per month, Starter plan

• 🔗 35 trillion link index, refreshed every 15 mins
• 🔑 28.7B keyword database, 200+ countries
• 📄 10B-page Content Explorer
• 🤖 Brand Radar tracks 6 AI platforms (add-on)
• ✗ No free trial — Starter is the test drive

Read Full Ahrefs Review →

Most Popular

Semrush

All-in-One Marketing Platform

$139.95per month, Pro plan

• 📦 55+ tools across SEO, PPC, content & social
• 🔑 26.8B keyword database
• 🤖 Semrush One: AI Visibility across 5 AI engines
• ✍️ ContentShake AI & SEO Writing Assistant
• ✓ 7-day free trial on Pro & Guru

Try Semrush Free →

Moz Pro

Beginner-Friendly SEO Suite

$39per month, Starter (billed annually)

• 🏅 Inventor of Domain Authority (DA) metric
• 💰 Lowest entry price of the three majors
• 🤖 AI Visibility in open beta (Medium plan+)
• 🎓 Moz Academy & Whiteboard Friday education
• ✓ 7-day free trial on Standard & Medium

Visit Moz Pro →

02Pricing Comparison (2026)

All three vendors restructured pricing in the last 18 months — largely to bundle in AI visibility tracking. Here’s exactly what each tier costs and what you actually get for it.

Ahrefs Pricing

Ahrefs runs a credit-based system across six tiers, from a free Webmaster Tools plan to custom Enterprise pricing.

💡 Brand Radar’s full AI Visibility index is a $199/month add-on on top of any plan — it isn’t bundled in by default.

Semrush Pricing

Semrush now sells two parallel product lines: the classic “SEO Toolkit” (Pro/Guru/Business) and the newer “Semrush One” bundle that folds in AI Visibility tracking from day one.

💡 The standalone AI Visibility Toolkit add-on is $99/month per domain if you’d rather bolt it onto an existing classic plan instead of upgrading to Semrush One.

Moz Pro Pricing

Moz remains the most affordable of the three at every comparable tier, with AI-powered keyword tools included free across all plans.

💡 AI Visibility is included free in beta from the Medium plan up — Moz is currently the only one of the three not charging a separate fee for it.

03Feature-by-Feature Breakdown

Here’s the side-by-side on core capability — not just headline numbers, but what each platform is actually built to do well.

Table renders as stacked cards on mobile for easy comparison on any screen size.

04Backlink Analysis Deep Dive

Ahrefs

Ahrefs remains the backlink benchmark. AhrefsBot crawls roughly 8 billion pages a day, feeding a live index of 35 trillion links from 500 million+ referring domains, refreshed every 15 minutes — the fastest cycle of any major platform. Domain Rating (DR) and URL Rating (UR) are widely cited authority scores, and Site Explorer lets you stack up to five competitor domains side-by-side for gap analysis.

Semrush

Semrush’s Backlink Analytics tool covers a comparable index size and adds a Backlink Audit module with toxic-link scoring — useful before a disavow cleanup (something we recently handled for one of our own client sites). Authority Score is Semrush’s DR equivalent, and the toolkit folds backlink data directly into the broader competitive research dashboard alongside organic and paid visibility.

Moz Pro

Moz’s Link Explorer is the smallest index of the three but pairs every link with the original and still-dominant Domain Authority and Page Authority scores, plus a Spam Score that flags risky linking domains at a glance. For agencies that still report DA to clients — and most still do — Moz remains the source of record for that specific number.

05Keyword Research Compared

All three tools clear 25+ billion keywords in their databases now, so raw volume is rarely the deciding factor — methodology and workflow are.

• Ahrefs Keywords Explorer: 28.7 billion keywords across 10 search engines, with a distinctive “Clicks” metric that accounts for zero-click SERPs and featured-snippet cannibalization.
• Semrush Keyword Magic Tool: 26.8 billion keywords with intent classification (informational, navigational, commercial, transactional) and a Keyword Strategy Builder that auto-clusters topics into content groups.
• Moz Keyword Explorer: Smaller in raw volume but introduces a single “Priority” score that blends volume, difficulty, and CTR — useful for teams that don’t want to manually weigh three separate metrics.

🏆 Winner: Ahrefs and Semrush are essentially tied on depth; Moz wins on simplicity for less experienced researchers.

06Site Audit & Technical SEO

This is the closest three-way category on the board. Semrush’s Log File Analyzer is the standout feature for sites that need to verify exactly how AhrefsBot, Googlebot, and increasingly AI crawlers like GPTBot and ClaudeBot are accessing the site.

07AI Visibility: Tracking ChatGPT, Gemini & AI Overviews

This is the category none of these tools had two years ago — and it’s now the fastest-moving part of the comparison. With a significant share of search interactions happening through AI surfaces instead of the traditional ten blue links, “ranking” alone no longer tells the full visibility story.

🏆 Winner: Semrush currently has the most complete AI visibility build-out, with Ahrefs close behind via Brand Radar. Moz is the best entry point if budget is the deciding factor, since AI Visibility ships free in beta rather than as a paid add-on.

08Ease of Use & Learning Curve

09Pros & Cons of Each Tool

Ahrefs

Semrush

Moz Pro

10Ratings Breakdown

Aggregated and normalized from G2, Capterra, TrustRadius, and GetApp reviews.

11Head-to-Head Summary Table

12Who Should Use Which?

13Alternatives Worth Considering

If none of the three majors fit your budget or workflow exactly, these are the next tools worth a look.

For a full breakdown of where Ahrefs sits against a specialist tool, see our RankTracker vs Ahrefs comparison, or check our complete list of the best SEO tools for digital marketing for more options across every budget.

14Frequently Asked Questions

15Final Verdict: Ahrefs vs Semrush vs Moz

There’s no single winner here because the three tools are no longer really competing for the exact same buyer. Ahrefs is the choice for SEO professionals who treat backlinks and content research as the core of their job — its data quality remains the benchmark the other two are measured against. Semrush is the choice for teams that want SEO, PPC, content production, and AI search visibility consolidated into a single platform, and it currently leads the pack on that last point specifically. Moz Pro is the choice for beginners, small businesses, and anyone who wants a lower-cost, lower-complexity way into professional SEO — including a genuinely free way to start watching AI visibility.

If you can only pick one and your budget is flexible, Semrush is the safest “do everything reasonably well” choice for 2026. If price is the deciding factor, Moz is the smartest entry point. If backlinks and content are your entire job, nothing beats Ahrefs.