Quick answer: Both are all-in-one SEO platforms for keyword research, competitor research, rank tracking and site audits, and both track how AI chatbots mention your brand. Semrush includes AI visibility tracking from its Starter plan and sends scheduled client reports. Ahrefs has a low-cost Starter plan and sells AI tracking as Brand Radar.
Pick Semrush if…
- You want AI visibility tracking included in a plan (Starter and up)
- You send scheduled client reports with Google Analytics and Search Console data
- You want Semrush data inside Claude, ChatGPT or other AI tools through MCP
Pick Ahrefs if…
- You want a low-cost way in (Ahrefs Starter is $29 a month)
- You mostly study competitor websites with Site Explorer
- You want to track brand mentions, citations and sentiment in AI chatbots with Brand Radar
Semrush vs Ahrefs at a glance
| Semrush | Ahrefs | |
|---|---|---|
| What it is | Semrush is a platform that helps you grow and measure brand visibility across SEO, AI search, PPC, social, and other digital channels. | Ahrefs is an AI marketing platform that helps marketers track and grow visibility across search, AI, content, and social. |
| Best for | One-Person Agency, Content Creator, Solo Founder / Indie Maker, Solo E-commerce Seller | Micro Team (2 to 5), Content Creator, One-Person Agency, Solo Founder / Indie Maker |
| AIME Score | 72 | 70 |
| Reviews | Proven (1,000+ reviews) | Proven (500+ reviews) |
| Free plan | Yes | Yes |
| Starting price | SEO: $117.33 a month, billed yearly ($139 monthly) (as of October 2026) | Starter: $29 a month, billed monthly (as of October 2026) |
| Platforms | MCP server | Not listed |
| Works with | Not listed | Not listed |
| Standout features |
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Reviews: our public review level, never exact counts. Free plan and prices: from each tool’s own pricing page; plans change, so check there before you buy.
Where they differ
Entry price: Ahrefs Starter is $29 a month and Lite is $129 a month. The Semrush SEO plan is $139 a month ($117.33 billed yearly).
AI visibility: Semrush includes AI visibility tracking from its Starter plan ($199 a month, or $165.17 billed yearly). Ahrefs tracks AI mentions, citations and sentiment with Brand Radar, sold as Brand Radar AI from $199 a month.
Data: Semrush says it has more than 28 billion keywords across 142 country databases. Ahrefs says its index covers 41.9 billion keywords and 170 trillion pages.
Reports: Semrush sends automated, scheduled client reports that pull in Google Analytics and Search Console, with white-label reports as an add-on. Ahrefs sells a Report Builder add-on for $99 a month.
Free options: Both have a free account. Semrush has a free plan for trying the platform and a 7-day free trial on paid plans; Ahrefs Free gives you data on your own site.
AIME Score: Semrush has the higher AIME Score: 72 out of 100, against 70 for Ahrefs. Both are Proven tools (4.0 stars or better from 25 or more verified reviewers). How the AIME Score works
Where they’re the same
Both cover keyword research, competitor research, rank tracking, site audits and AI search visibility, both have a free option, and both suit agencies, content creators, solo founders and online sellers.
Pricing in plain words
Semrush
Try the free account first. The SEO plan covers keyword research, rank tracking and site audits for up to 5 sites. Starter adds AI visibility tracking and MCP access, and Pro+ raises the limits for more sites and clients.
- Free: $0 forever
- SEO: $117.33 a month, billed yearly ($139 monthly)
- Starter: $165.17 a month, billed yearly ($199 monthly)
- Pro+: $248.17 a month, billed yearly ($299 monthly)
- Advanced: Custom (request a demo)
Paid plans have a 7-day free trial; the first payment is charged when it ends unless you cancel. Yearly billing saves up to 17%. Add-ons include extra users (from $45 a month), Base Report ($10 a month) and Pro Report with white-label branding ($20 a month). Other toolkits, such as Content, Local and Social, are sold separately. Prices from semrush.com/prices on October 20, 2026; check there before you buy.
Ahrefs
Start on Ahrefs Free for your own site. Lite covers the core tools for one person. Standard is the plan Ahrefs suggests for freelance SEOs who do heavy client research.
- Ahrefs Free: $0 forever
- Starter: $29 a month, billed monthly
- Lite: $129 a month billed monthly ($108 a month billed yearly)
- Standard: $249 a month billed monthly ($208 a month billed yearly)
Advanced is $449 a month ($374 billed yearly) and Enterprise starts at $1,499 a month with an annual commitment. Each plan includes 1 user; extra users cost $40 to $80 a month. AI Content Helper is $99 a month for 50 documents. Prices from ahrefs.com/pricing and ahrefs.com/free on October 24, 2026; check there before you buy.
Who should choose which
Choose Semrush
People use Semrush to research keywords, analyze competitors, track rankings, and get cited in AI answers.
Best for: One-Person Agency, Content Creator, Solo Founder / Indie Maker, Solo E-commerce Seller
Choose Ahrefs
People use Ahrefs to study competitors' websites, research what customers search for, track search rankings, and monitor brand visibility in AI chatbots.
Best for: Micro Team (2 to 5), Content Creator, One-Person Agency, Solo Founder / Indie Maker
Questions
What is the difference between Semrush and Ahrefs?
Both are full SEO toolkits. Semrush adds AI visibility tracking and client reports to its plans; Ahrefs has a low-cost Starter plan and sells AI tracking as Brand Radar.
Is Semrush or Ahrefs cheaper?
Ahrefs costs less to start: Starter is $29 a month. The Semrush SEO plan is $117.33 a month billed yearly ($139 monthly). The full toolkits are closer, with Ahrefs Lite at $129 a month.
Do Semrush and Ahrefs have a free plan?
Yes, both have a free plan. Free plans have limits, so check what each one includes in the pricing section above.
Which has the higher AIME Score, Semrush or Ahrefs?
Semrush has the higher AIME Score: 72 out of 100, against 70 for Ahrefs. Both are Proven tools (4.0 stars or better from 25 or more verified reviewers). The AIME Score is our 0 to 100 score for every AI tool; partner links never change it.
Should I pick Semrush or Ahrefs?
Pick Semrush if you want AI visibility tracking included in a plan (Starter and up). Pick Ahrefs if you want a low-cost way in (Ahrefs Starter is $29 a month).
More comparisons
Sources
- Semrush: AI Made Easy profile and Spotlight research (checked October 20, 2026)
- Ahrefs: AI Made Easy profile and Spotlight research (checked October 24, 2026)
- AIME Score and review level: How the AIME Score works. We never show exact review counts or other sites’ ratings.