HubSpot's AI Search Grader is a free tool that scores how your brand appears in ChatGPT and Perplexity for a set of prompts, benchmarks share of voice against competitors, and returns actionable next steps.
Free AI Visibility Checkers
Free tools to check how your brand appears in ChatGPT, Perplexity, and Google AI Overviews.
Who this is for
Founders, marketers, and SEO teams starting AI visibility work.
Top Free AI Visibility Checkers
Profound offers a free AI visibility snapshot showing how ChatGPT, Perplexity, and Google AI Overviews describe your brand for a handful of prompts before upgrading to the paid platform.
Otterly AI's free tier lets you check a small number of prompts across major AI answer engines and see whether your brand is mentioned, cited, or missing.
Rankability's free GEO Score analyzes a URL against LLM-friendly content signals - answer-first structure, entities, schema, and citation-worthiness - and returns a score plus recommendations.
Kalicube's free brand check reviews how Google and AI systems understand your brand as an entity, flagging knowledge panel gaps that hurt LLM citations.
Writesonic's free AI visibility checker runs prompts across ChatGPT, Gemini, and Perplexity to see whether your brand is mentioned and where competitors show up first.
Feature comparison
| Name | Type | Best For | ChatGPT | Perplexity | Gemini | Claude | Google AI Overviews | Pricing | Rating | |
|---|---|---|---|---|---|---|---|---|---|---|
| HubSpot AI Search Grader | Tool | Marketers wanting a free AI visibility baseline | Free | 4.6 | View | |||||
| Profound Free Snapshot | Tool | Teams evaluating enterprise AI visibility tools | Free | 4.5 | View | |||||
| Otterly AI Free Check | Tool | SEO teams starting AI visibility monitoring | Free tier | 4.5 | View | |||||
| Rankability GEO Score | Tool | Content teams auditing individual pages | Free | 4.4 | View | |||||
| Kalicube Brand Check | Tool | Brands building entity authority for LLMs | Free | 4.5 | View | |||||
| Writesonic AI Visibility Checker | Tool | Content marketers exploring AI answer share | Free | 4.3 | View |
Buyer's guide: How to choose
- Match AI engine coverage to your priority channels
- Confirm prompt tracking depth
- Check reporting fit for your stakeholders
- Validate pricing transparency
- Read editorial verdicts, not just star ratings
- Ask about GEO strategy support
Related categories
AI visibility terminology
Consistent definitions used across CompareNow.ai.
- AI Visibility
- How often your brand appears in AI-generated answers across ChatGPT, Perplexity, Gemini, Claude, Copilot, and Google AI Overviews.
- Generative Engine Optimization (GEO)
- The practice of optimizing content and entities to be cited by generative AI engines.
- Answer Engine Optimization (AEO)
- Optimizing content so it is selected as the direct answer by answer engines and LLMs.
- LLM SEO
- SEO tactics specifically aimed at large language model retrieval and citation, overlapping with GEO and AEO.
- AI Search Monitoring
- Tracking brand mentions, share of voice, and citations across AI search interfaces.
- ChatGPT Visibility
- Your brand's frequency and quality of appearance in ChatGPT answers and browsing results.
- Perplexity Visibility
- Citations and inclusions inside Perplexity answer sources and follow-ups.
- Google AI Overviews Visibility
- Appearance inside Google's AI Overviews SERP feature.
Frequently Asked Questions
>What are Free AI Visibility Checkers?
Free AI visibility checkers let any brand run a quick baseline of how ChatGPT, Perplexity, Gemini, and Google AI Overviews describe them, whether they get mentioned, and where competitors show up first - all without a paid contract. They're the fastest way to prove AI visibility matters before investing in a full platform or agency.
>Who should use Free AI Visibility Checkers?
Founders, marketers, and SEO teams starting AI visibility work.
>How does CompareNow.ai rank these?
Editorial evaluation, buyer feedback, AI engine coverage, pricing transparency, and reported client results. See our methodology.
Not sure which to pick?
Tell us your goal, budget, and stack - we'll recommend the right AI visibility solution.