Ahrefs vs Semrush
Semrush scores 8.3 to Ahrefs's 7.7 among the SEO platforms we rate, and is the better pick for 3 of the 4 kinds of buyer below.
Semrush wins, 8.3 to 7.7
Ahrefs starts at $29 a month; Semrush's SEO plan starts at $139.95 a month, more than four times as much. Both keep a free plan of the main product. Semrush's AI Article Generator lives in a separate Content Toolkit subscription, not the SEO plan, while Ahrefs's AI Content Helper only assists inside the editor and does not draft. Ahrefs offers live chat support; Semrush does not.
Pick Ahrefs if you want live chat support and a much lower entry price.
Pick Semrush if you want an all-in-one seo suite and don't mind the price.
Best for
Who each one suits, decided on the criteria that matter to that buyer and the checked facts where the two differ.
- Rank updates: Daily against Weekly / on-demand
- Writes full articles: Semrush yes, Ahrefs no
- Content briefs: Semrush yes, Ahrefs no
- But Ahrefs leads on internal link suggestions: Ahrefs yes, Semrush no
- Monthly price, cheapest paid plan: $29 against $139.95
- But Semrush leads on free trial: 7 days against 0 days
- WordPress: Semrush yes, Ahrefs no
- Google Docs add-on: Semrush yes, Ahrefs no
- White-label reports: Semrush yes, Ahrefs no
- But Ahrefs leads on live chat with a person: Ahrefs yes, Semrush no
How they score
Both are scored the same way, against the other SEO platforms we rate, from facts on each vendor's own pages. Semrush leads on 4 of 6 criteria.
Where they differ
Every point where the two vendors' published facts disagree, with a link to where each fact was read. "Not published" means the vendor does not say either way.
Published by only one of them
Where they match (13)
Pricing, plan by plan
Every plan each vendor publishes, monthly and yearly where both are offered.
Ahrefs
Semrush
Pros and cons
From each tool's full review, written from the same checked facts.
Ahrefs
- Ahrefs has one of the largest web crawlers available, providing industry-leading backlink data that has been refined since 2011.
- The platform covers keyword research, rank tracking, site audits, content tools, and AI search visibility all in one place.
- Rank tracking spans 190+ locations across 173+ countries, making it suitable for global SEO campaigns.
- Multiple access methods are available including web app, Chrome extension, API, and MCP Server for custom AI workflows.
- New AI features including Brand Radar and Agent A help teams monitor how their brand appears in AI-driven search results.
- GSC Insights integration layers additional analysis on top of Google Search Console data for deeper reporting.
- The platform serves over one million users including Fortune 500 companies, indicating enterprise-grade reliability and scale.
- Ahrefs holds a 1.9 rating on Trustpilot, suggesting a significant gap between vendor reputation and real user satisfaction.
- The platform has grown so large that most teams will only use a fraction of the available tools at any one time.
- AI features like Brand Radar and Agent A are still early-stage, making them a risk for teams needing proven, reliable functionality.
- The sheer volume of features creates a steep learning curve, particularly for smaller teams or individual SEOs.
- Pricing pages were flagged during research as a concern, suggesting cost may be a barrier for some users or team sizes.
Semrush
- Semrush covers an exceptionally wide range of SEO capabilities including site auditing, rank tracking, keyword research, backlink analysis, PPC tools, and social scheduling all in one platform.
- The Keyword Magic Tool draws from a database of 28 billion keywords, giving users access to one of the largest keyword datasets available.
- AI Visibility Toolkit launched in October 2025 allows users to monitor brand presence across LLM platforms like ChatGPT and Perplexity using over 317 million tracked prompts.
- Position Tracking provides daily rank updates with multi-location options, making it useful for agencies managing multiple client campaigns.
- The platform has 17 years of development behind it, meaning core SEO data quality is well-established and trusted by a reported 10 million users.
- Backlink analysis covers 43 trillion backlinks according to Semrush, giving users substantial data for link building and competitive research.
- Content tools include both brief generation and a live optimization editor, streamlining the content production workflow within a single platform.
- The sheer breadth of tools creates a significant learning curve, with G2 reviewers in agency and marketing roles consistently flagging it before noting any positives.
- At $139.95 per month for the base plan, the cost is a meaningful commitment, and the value delivered appears to depend heavily on which pricing tier you're on.
- The gap between what Semrush promises and what it actually delivers varies significantly based on how much users are paying, suggesting key features may be paywalled.
- The platform may have expanded too broadly, making it difficult for users to know which tools to use, in what order, and for which workflows without weeks of onboarding.
- The Adobe acquisition completed April 2026 introduces uncertainty about the platform's future direction, pricing, and enterprise software bloat.
- AI Visibility Toolkit is still relatively new as of 2025-2026, meaning the feature set and data reliability in that area may not yet be fully mature.
- The volume of features across the platform risks overwhelming smaller teams or solo practitioners who only need a subset of what Semrush offers.
Ahrefs vs Semrush: common questions
Which is better, Ahrefs or Semrush?
Semrush scores 8.3 and Ahrefs 7.7 out of 10 among the SEO platforms we rate. Semrush is ahead on keyword research and rank tracking, content writing and optimisation, works with your tools and team and support. Ahrefs is ahead on pricing.
Is Ahrefs or Semrush cheaper?
Ahrefs's cheapest paid plan is $29/mo (Starter) and Semrush's is $139.95/mo (SEO plan). Compare what each plan includes below before going on price alone.
Do Ahrefs and Semrush have a free plan?
Yes, both do.
What can Ahrefs do that Semrush cannot?
On the facts both vendors publish: internal link suggestions and live chat with a person.
What can Semrush do that Ahrefs cannot?
On the facts both vendors publish: writes full articles, content briefs, wordPress, google Docs add-on and white-label reports.
