Semrush vs Ahrefs
A 2026 side-by-side comparison of Semrush and Ahrefs — pricing, key features, platforms, API access, and the trade-offs of each, based on data collected from their official sites.

Semrush
Your Unfair Advantage for Growing Brand Visibility

Ahrefs
AI Marketing Platform Powered by Big Data
Tagline
Your Unfair Advantage for Growing Brand Visibility
AI Marketing Platform Powered by Big Data
Pricing
Rating
Platforms
API
Open source
Description
Semrush is a leading online visibility management SaaS platform that helps businesses grow and measure brand visibility across AI search, traditional SEO, PPC, social, and content channels. It provides powerful tools for keyword research, competitor analysis, backlink building, local SEO, and AI brand sentiment tracking.
Ahrefs is an AI-powered marketing platform designed to maintain brand visibility across search engines, AI search, content platforms, and social media. Using its proprietary index of the web, Ahrefs offers tools for technical SEO, competitive intelligence, content strategy, brand monitoring, and rank tracking.
Key features
- Keyword Research
- Competitor Analysis
- Market Analysis
- Local SEO
- AI Brand Sentiment
- Backlink Analysis
- Content Creation
- Technical Site Health
- Digital PR
- Site Explorer
- Site Audit
- Brand Radar AI
- Rank Tracker
- Competitor Ad Analysis
- Social Media Scheduling
- AI-powered SEO Fixes (Patches)
- API Access
- YouTube and Reddit Tracking
- AI Content optimization
Pros
- Keyword research is powered by an industry database featuring over 28 billion search terms.
- Market analysis is built on real data from over 200 million panelists across 190+ countries.
- Enables side-by-side comparison of up to 100 domains across traffic, growth, and channel mix in a single view.
- Map Rank Tracker provides a visual geographic heatmap of Google Maps rankings and changes over time.
- Includes a free plan that allows users to try out the platform with no credit card required.
- Backlink analysis tool crawls approximately 10 billion pages daily to ensure fresh link intelligence.
- Content marketing tools feature integrations for Google Docs, WordPress, and major social networks.
- Provides weekly brand performance reports showing how LLMs describe your brand, sentiment, and share of voice.
- Offers 'Ahrefs Free' providing web owners limited access to Site Explorer and Site Audit.
- Built on a massive proprietary web index that processes over 239 million prompts every month.
- Allows deployment of technical SEO fixes to websites without needing developer intervention.
- Brand Radar is available as a standalone tool which also includes an Ahrefs Free account.
- Enables brand visibility monitoring across diverse platforms including AI platforms, Google Search, YouTube, TikTok, and Reddit.
- Saves annual subscribers 20% compared to monthly billing rates.
- Provides flexible payment options including major credit cards (Visa, Mastercard, Amex, UnionPay) and wire transfers upon request for Enterprise tiers.
- Operates without locking contracts or setup fees, allowing users to switch options or cancel at any time.
- Includes a browser-based SEO toolbar and a dedicated WordPress plugin to streamline workflows.
Cons
- API access, advanced insights, and automation are restricted to the highest-tier Advanced plan.
- Displays compatibility warnings if your browser or operating system is out of date.
- No pricing details or cost estimates for the paid tiers are disclosed directly in the crawled page text.
- The standard free trial duration is limited to only seven days prior to billing.
- No dedicated desktop or mobile apps are mentioned on the core platform feature pages.
- Does not offer any commercial discounts or free trials.
- To transition a subscription plan to annual billing, users must manually contact the support team via email.
- YouTube, TikTok, and Reddit tracking are only available for paid tiers in beta and will move to paid add-ons later.
- Does not support or operate an affiliate program.
- Wire transfer support is restricted exclusively to requests made under the Enterprise pricing plans.
- Free account tiers limit web owners to partial, restricted access of Site Explorer & Site Audit.
Pricing plans
- LiteUSD129/month
- • 5 projects
- • 6 months of historical data
- • 750 tracked keywords
- • 5 tracked prompts
- StandardUSD249/month
- • 20 projects
- • 2 years of historical data
- • 2,000 tracked keywords
- • 10 tracked prompts
- AdvancedUSD449/month
- • 50 projects
- • 5 years of historical data
- • 5,000 tracked keywords
- • 20 tracked prompts
- EnterpriseUSD1499/month
- • All Advanced features, plus
- • SSO & enterprise-grade security
- • Enterprise plan
- StarterUSD29/month
- • See what people search
- • Spy on competitors
- Ahrefs FreeUSD0
- • Get Ahrefs data on your site
- • Fix what matters
- • Free limited access to Site Explorer & Site Audit
- Brand Radar AIUSD199/month
- • Research any brand across 271M+ organic prompts
- • Track your own custom prompts
- • Available as a standalone tool
- BasicUSD50/month
- • E.g. 80 prompts daily on 1 platform
- • 2,500 checks/mo
- • Custom prompt package
- GrowthUSD100/month
- • E.g. 100 prompts daily on 2 platforms
- • 7,000 checks/mo
- • Custom prompt package
- ScaleUSD250/month
- • High volume, lowest per-check rate
- • 25,000 checks/mo
- • Custom prompt package
- Content KitUSD99/month
- • Optional add-on
- • From $99/mo
- Report BuilderUSD99/month
- • Optional add-on
- • $99/mo
- Project Boost ProUSD20/month
- • Optional add-on
- • Per project pricing
- Project Boost MaxUSD200/month
- • Optional add-on
- • Per project pricing
Which one should you pick?
- Choose Semrush if you need Keyword Research.
- Choose Ahrefs if you need Site Explorer.
- On budget: Semrush is freemium, Ahrefs is freemium.