Best Free AI Visibility Tools

AI is becoming a search channel. These tools help you track whether your brand shows up in ChatGPT, Perplexity, and Google Overviews—and improve if you're missing.

Quick Comparison

ToolPricingBest For
CopyCrest LLM Visibility CheckerCopyCrest PickFreeBaseline check takes 2 minutes instead of 30 minutes of manual testing
ChatGPT Free Plan (Manual Prompt Tracking)Free plan + paid plansTest niche use cases and customer-specific prompts
PerplexityFree plan + paid plansCites sources visibly, so you can see if your content was included
Microsoft CopilotFreeTests a different model (Bing/Copilot vs. ChatGPT) for comparison
Google AI Overviews Spot ChecksFreeDirectly reflects what your customers see when they search Google

CopyCrest LLM Visibility Checker

Free

Runs 15–20 industry-relevant prompts across ChatGPT and Claude, scoring whether your brand appears and in what context (cited, mentioned, competitive set).

  • Baseline check takes 2 minutes instead of 30 minutes of manual testing
  • Consistent prompts each time you run it—tracks real progress month-to-month
  • Identifies which prompt types show lowest visibility (e.g., 'tools for X' vs. comparisons)
  • Scores you against competitors in the same check
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ChatGPT Free Plan (Manual Prompt Tracking)

Free plan + paid plans

Write custom prompts and test them manually. See full response, exact mentions, and competing brands. The qualitative version of Visibility Checker.

  • Test niche use cases and customer-specific prompts
  • See exact response phrasing and how competitors are positioned
  • Good for validating CopyCrest findings or exploring new angles
  • No tool cost—just your time
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Perplexity

Free plan + paid plans

Answer engine that shows cited sources. Run prompts and see where Perplexity pulls information from and whether your brand is sourced.

  • Cites sources visibly, so you can see if your content was included
  • Different response patterns than ChatGPT—worth testing separately
  • Good for category-level and competitor benchmarking
  • Works well for researching phrases customers actually search for
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Microsoft Copilot

Free

Free AI assistant powered by different model than ChatGPT. Useful for testing brand visibility across model ecosystem.

  • Tests a different model (Bing/Copilot vs. ChatGPT) for comparison
  • Sometimes shows different search results and citations than ChatGPT
  • Quick way to validate whether visibility issue is ChatGPT-specific
  • No signup required
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Google AI Overviews Spot Checks

Free

Search for your target keywords and check if your brand appears in the AI Overview (Google's AI-generated answer box). Manual but tied to real search behavior.

  • Directly reflects what your customers see when they search Google
  • Highest commercial intent—AI Overviews appear on high-value queries
  • Simple tracking: screenshot or note appearance/absence monthly
  • Works well with Google Search Console to pair AI visibility with rankings
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