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Semrush's AI toolkit vs Ahrefs Brand Radar: which is better for tracking AI visibility?

One of the questions behind AI visibility tools ChatGPT recommends, asked in the ChatGPT app on Mon, Wed, Fri (logged out, from the US, a new chat each time). It names a product, so it's reported apart and not ranked.

What ChatGPT recommended, last 28 days

Ahrefs AI Visibility Index in 1 of 1 answer
Ahrefs Brand Radar in 1 of 1 answer
Ahrefs Custom Prompts in 1 of 1 answer
Semrush in 1 of 1 answer

Every answer, newest first

  1. Nov 11, 2026 Top pick: Ahrefs Brand Radar · Semrush, Ahrefs Custom Prompts, Ahrefs AI Visibility Index

    Semrush AI Toolkit vs. Ahrefs Brand Radar: Which is better?

    My verdict: Semrush is better for ongoing, hands-on AI visibility monitoring, while Ahrefs Brand Radar is stronger for large-scale competitive intelligence and understanding how AI search represents your brand across the wider market.

    The distinction is important: Semrush focuses on tracking and improving your visibility for selected prompts, whereas Ahrefs puts considerable emphasis on measuring brand mentions, citations, and visibility across a much larger AI-search dataset.

    Here's how I'd compare them.

    1. Feature comparison

    Feature Semrush AI Visibility Toolkit Ahrefs Brand Radar
    Brand mentions Yes Yes
    AI citations Yes Yes
    Competitor tracking Yes Yes
    Custom prompt tracking Yes Yes
    Daily prompt tracking Yes Available for custom prompts
    Brand sentiment Yes More limited
    Share of voice Yes Yes
    AI visibility benchmarking Yes Yes
    Prompt/topic discovery Strong Strong
    AI crawler accessibility audit Yes Not a core Brand Radar feature
    Traditional SEO integration Excellent Excellent

    The biggest practical difference is that Semrush combines AI visibility monitoring with tools for diagnosing and improving your website's AI-search readiness.

    Ahrefs is particularly interesting for competitive research and measuring how brands appear across AI search results. semrush.com, semrush.com, semrush.com

    2. AI platforms covered

    AI platform Semrush Ahrefs
    ChatGPT Yes Yes
    Google AI Overviews Yes Yes
    Google AI Mode Yes Yes
    Gemini Yes Yes
    Perplexity Yes Yes
    Microsoft Copilot Not in core prompt tracking Yes
    Claude Not in core prompt tracking Custom prompts

    Winner: Ahrefs.

    Ahrefs has broader AI-platform coverage, particularly with Copilot and Claude custom prompt tracking.

    Its Brand Radar currently advertises an index covering more than 542 million prompts. ahrefs.com

    3. Monitoring and data freshness

    This is where the products differ considerably.

    Semrush

    Semrush offers: - Daily tracking of selected prompts. - Daily visibility updates for tracked AI search positions. - Weekly brand performance and sentiment reporting. - Competitor comparisons. - Tracking across locations.

    This is particularly useful if you want to monitor whether your brand is gaining or losing visibility for specific commercial questions. semrush.com, semrush.com

    Ahrefs

    Ahrefs offers two distinct approaches:

    AI Visibility Index - Large-scale monitoring across millions of prompts. - Historical AI visibility data. - Competitor benchmarking. - Mentions, citations and estimated impressions. - Monthly re-testing of its question sets.

    Custom Prompt Tracking - Track questions relevant to your business. - Choose daily, weekly or monthly refreshes. - Compare AI responses across platforms. - Monitor specific commercial queries.

    ahrefs.com, help.ahrefs.com

    Winner: Semrush for monitoring frequency; Ahrefs for breadth of competitive research.

    One important distinction: daily updates don't mean continuous real-time monitoring. Both platforms sample AI responses.

    4. Pricing comparison

    Pricing checked against the vendors' current published information.

    Product Starting price What you get
    Semrush AI Visibility Toolkit $99/month 25 custom prompts
    Ahrefs Custom Prompts $50/month Additional prompt-check package
    Ahrefs AI Visibility Index $199/month Large-scale AI visibility research
    Ahrefs Brand Radar Included allowance on eligible paid plans 5–20 daily prompts, depending on plan

    Sources: semrush.com, ahrefs.com, help.ahrefs.com

    A couple of pricing considerations:

    • Semrush is attractive if you want a standalone AI visibility product without buying its entire SEO suite.
    • Ahrefs is attractive if you already subscribe to Ahrefs because paid plans include a monthly allowance for custom AI prompt checks.
    • Ahrefs' larger AI Visibility Index is a separate purchase.

    Check the exact limits and billing terms before subscribing, as the products have different usage models.

    5. Which is better for different use cases?

    Use case My recommendation
    Daily AI visibility monitoring Semrush
    Tracking specific commercial prompts Semrush
    Brand sentiment monitoring Semrush
    Competitor AI visibility research Ahrefs
    Large-scale AI market research Ahrefs
    Discovering AI citation opportunities Ahrefs
    AI crawler accessibility audits Semrush
    Tracking more AI platforms Ahrefs
    Combining SEO and AI reporting Semrush

    6. My recommendation

    I'd make the decision based on what you're actually trying to measure.

    Choose Semrush if:
    • You want to monitor a defined set of important prompts every day.
    • You need to understand how AI describes your brand.
    • You want sentiment analysis and competitive comparisons.
    • You want to identify technical barriers preventing AI crawlers from accessing your website.
    • You want an integrated SEO and AI visibility workflow.

    Official product: Semrush AI Visibility Toolkit

    Choose Ahrefs if:
    • You want to understand your overall AI search market share.
    • You want to investigate hundreds of thousands or millions of potential search questions.
    • You want to identify which competitors dominate AI-generated answers.
    • You want to understand which websites and pages AI cites.
    • You want to connect AI visibility with backlinks, organic search, Reddit and YouTube visibility.

    Official product: Ahrefs Brand Radar

    Final verdict

    Category Winner
    Overall AI visibility research Ahrefs
    Daily prompt monitoring Semrush
    Brand sentiment Semrush
    Competitive intelligence Ahrefs
    AI citation research Ahrefs
    Technical AI readiness Semrush
    Value for existing subscribers Depends on your existing plan

    My overall pick: Ahrefs Brand Radar for understanding AI visibility; Semrush for actively managing and improving it.

    One caveat: neither platform should be treated as an absolute measurement of how often your brand appears in every AI-generated answer. Their datasets use different sampling methodologies, so their visibility scores aren't directly interchangeable.

    One strategic consideration

    If your actual objective is to improve how often ChatGPT, Gemini, Perplexity and Google AI recommend your business, I wouldn't evaluate these platforms solely on their visibility scores.

    I'd prioritize three measurements:

    1. AI mentions: How frequently does AI recommend your brand?
    2. AI citations: Which pages and external websites are influencing those recommendations?
    3. Prompt coverage: For which high-intent questions are competitors being recommended while your brand is absent?

    Those three measurements provide a much more actionable picture than a single AI visibility score.

    Sources ahrefs.comsemrush.comanswermentions.comtrendlyai.comcanlah.aicheaperstack.comrework.comvisibilityos.io

Who made this: Askadia makes an AI visibility tracker. We publish ChatGPT's answers as they came; no product pays to be listed or can opt out.

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