Best Free Answer Engine Optimization (AEO) Software of 2026

Semrush

Semrush One is an all-in-one digital marketing platform designed to help brands win visibility across search engines, AI platforms, and emerging discovery channels. It unites traditional SEO tools with advanced AI search and GEO capabilities to measure and grow brand presence everywhere users search. The platform supports optimization across Google, ChatGPT, Perplexity, Gemini, and more from a single interface. Semrush One offers toolkits for SEO, content marketing, traffic analysis, local search, advertising, social media, AI visibility, and digital PR. Powered by one of the world’s largest AI-driven marketing databases, it delivers deep insights competitors can’t easily replicate. Enterprises and marketers use Semrush One to forecast traffic, revenue, and ROI with confidence. Trusted by millions of professionals and global brands, Semrush One acts as a central growth engine for digital visibility.

18 Ratings

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GEO Metrics

GEO Metrics (formerly LLMO Metrics) is a platform designed to track, analyze, and optimize your brand's presence in AI-generated responses across platforms like ChatGPT, Gemini, Copilot, AI Overviews, DeepSeek, Claude, and Perplexity. Recognizing that AI is becoming the new search engine, GEO Metrics helps businesses ensure they are mentioned accurately and favorably in AI-driven queries. It offers features such as Generative Engine Optimization, which allows users to see where their brand ranks for key queries compared to competitors, with historical tracking. It also provides Answer Correction & Validation to ensure AIs provide accurate responses about your business by tracking deviations from the ground truth answers you provide. Additionally, GEO Metrics enables monitoring of how AIs rank your brand and competitors, offering insights into which web pages are used as sources for AI responses.

14 Ratings

Starting Price: €80 per month

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Rankscale

Rankscale.ai

Rankscale.ai is the next generation platform for Generative Engine Optimization (GEO)—built to help brands, SaaS products, and digital businesses dominate visibility in AI-driven search engines like ChatGPT, AI Overviews (Google SGE), Perplexity, Claude, Mistral, and DeepSeek. Unlike legacy SEO tools stuck in the past, Rankscale is engineered for the AI-first web. It offers daily tracking of your AI search footprint, deep citation analysis (currently across ChatGPT, Perplexity, and AI Overviews), and powerful filtering, searching, and categorization of citations—so you can quickly see who’s mentioning you, where, and why.

4 Ratings

Starting Price: $20/month

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Cairrot

Cairrot is an AI Visibility tool that improves your position in AI search as soon as you install it. Cairrot is the only AI visibility tool that offers a Wordpress plugin, that tracks LLM crawl logs for free, and offers an API so you can build your own internal marketing tools. Cairrot publishes actionable tutorials for Answer Engine Optimization (AEO) and Generative Engine Optimization (GEO). We help marketers and marketing agencies rank websites on LLMs like ChatGPT, Perplexity, Gemini, Claude, Grok, and more. We also share data studies from our internal research and marketing experiments. As one of the most trusted AI Visibility tools, we are proud to share free insights for marketers to track, optimize, and rank in AI search. Cairrot shows marketing teams and agencies how to get ranked and win traffic from LLMs like ChatGPT, Perplexity, Gemini, Claude, Grok, and more. You’ll find useful tutorials on topics like AI visibility, LLM algorithms, and AEO strategies.

4 Ratings

Starting Price: $39.99/month

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Scriptbee

Scriptbee is an AI-powered AI search optimization and analytics platform that helps businesses understand, monitor, and improve their visibility across emerging AI search and answer engines by tracking when and how often AI assistants mention their brand, measuring sentiment and share of voice, and revealing which prompts trigger visibility or gaps. It provides AI search data and performance analytics so teams can benchmark their visibility against competitors, measure trends over time, and identify prompts where they are missing critical exposure. Scriptbee also includes content gap and competitor analysis tools that pinpoint topics your competitors cover that you don’t, helping you generate or optimize content to fill those gaps and increase relevance. It tracks performance across multiple AI answer engines in a unified dashboard, shows citation sources that influence how AI systems cite content, and supplies insights that connect optimization efforts to real-world visibility.

1 Rating

Starting Price: €33 per month

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ZeroRank

ZeroRank AI is an analytics platform designed to help brands measure and improve how they appear inside AI-generated search results such as ChatGPT, Gemini, Perplexity, and Claude. It provides a centralized dashboard that tracks where a brand is mentioned, how often it appears, and the tone or sentiment of those mentions across major AI systems. It identifies the specific prompts and questions where a company should be visible, helping teams discover new opportunities before competitors do. It also benchmarks visibility against competitors and sends alerts when rankings change, enabling faster strategic adjustments. By querying multiple AI platforms and monitoring positions, citations, and sentiment in real time, ZeroRank turns AI discovery into a measurable marketing channel. Overall, the tool is built to support content and growth strategies in the emerging landscape of AI-driven search, helping organizations optimize their presence.

1 Rating

Starting Price: $76 per month

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Sellm

Sellm is the ultimate brand tracking tool for marketing teams who want complete control over their online presence. Sellm tracks and analyzes brand mentions in multiple LLM platforms, as ChatGPT, Gemini and Perplexity offering key insights for your strategy. Thanks to advanced LLM brand mention monitoring software, Sellm helps you spot opportunities, manage reputation, and stay ahead of competitors. With Sellm, your brand receives clear reports on mentions, keywords, and competitor activity. Optimize your brand visibility on LLMs and protect your brand with Sellm, the benchmark in llm brand tracking tools.

1 Rating

Starting Price: $29/month

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Hall

Hall helps you understand and measure how your business and website appears in the millions of questions people are asking AI. Hall monitors and tracks real questions across conversational AI platforms like ChatGPT, Gemini, Google AI Overviews, Microsoft Copilot, Perplexity, Claude, and more. With Hall, you can monitor how your brand and company appears in AI conversations, see the conversations where your website is referenced and cited, and observe how autonomous AI agents are using your website.

Starting Price: $199/month

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Stobo

Storyboard Vision

Stobo audits your website for AI search visibility. When users ask ChatGPT, Claude, or Perplexity about your category, your site needs to be in the answer. The free audit checks six technical factors: robots.txt configuration for AI crawlers, llms.txt implementation, schema markup, sitemap structure, FAQ content, and direct answer optimization. Most sites score below 40. Basic fixes push you above 80. Your report includes production-ready JSON-LD schema blocks, bespoke FAQ content written for your products, and optimized first paragraphs for every key page. All code and Texts are copy-paste ready. Save weeks of research and hours of development time. Built by ex-Apple designers. Free audit at trystobo.com, implementation reports for €199.

Starting Price: $199

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Zerply

Zerply is an agentic AI SEO platform built for the new era of search. While traditional SEO tools only track Google, Zerply monitors how your brand is mentioned across ChatGPT, Perplexity, Claude, and Google AI Overviews, giving you a real Share of Voice score against competitors. Beyond tracking, Zerply acts. AI agents monitor your site, find content gaps, build your editorial calendar, write articles, and publish them directly to WordPress with human-in-the-loop approval workflows (you review and approve before going live). Agentic SEO Chat is a multi-step reasoning engine that connects Google Search Console, analyzes complex data, performs keyword research, competitor analysis, and answers strategic questions in plain English, all autonomously chaining the right tools for deep insights.

Starting Price: $12/month

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AEO Copilot

AEO Copilot is the answer engine optimization tool that tracks your clients' brands across ChatGPT, Claude, Perplexity, and Google AI Overviews. Spot visibility gaps, get actionable recommendations, and pull the data into AI agents like Claude Code over MCP.

Starting Price: $9/month

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Elmo

Blue Whale Software, LLC

Elmo is an open-source AI visibility platform for answer engine optimization (AEO) and generative engine optimization (GEO). Marketing and SEO teams use it to track how AI answer engines mention, cite, and describe their brands across prompts and models. Users schedule prompt checks, compare brand mentions and share of voice against competitors, review sentiment and position, inspect cited domains and URLs, and explore query fan-out and prioritized content opportunities. The dashboard provides per-prompt results, model-level comparisons, and visibility trends. Elmo is available as a managed cloud service or as a self-hosted Docker Compose application that teams can run on their own infrastructure. Cloud plans provide REST API and MCP access; agencies can request white-label deployments. Self-hosted users can configure AI and scraping providers and retain data in their own PostgreSQL instance.

Starting Price: $29/month

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Perform.AI

Perform.AI is the AI Commerce Operating System for ambitious brands. It runs the commerce experience that shoppers and their AI agents move through, from being found and recommended, through checkout, delivery and returns, on one connected system. All powered by our data engine, AI Decision Intelligence which works continuously to raise gross margin, retain customers and lower logistics cost. Brands including Nespresso, Shopify, Puma and Zalando run on Perform.AI, with support for more than 1,100 carriers worldwide.

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GrackerAI

Gracker AI is an AI Visibility and AI Search Optimization platform that helps cybersecurity and B2B SaaS companies increase brand visibility, citations, and authority across AI-powered search engines, including ChatGPT, Google AI Overviews, Gemini, Claude, Perplexity, and Microsoft Copilot. As buyers increasingly rely on AI-generated answers to discover solutions, Gracker AI enables marketing, SEO, and GTM teams to monitor AI mentions, track competitor visibility, measure share of voice, and identify opportunities to improve inclusion in AI responses. The platform combines AI search analytics, citation tracking, competitor intelligence, and content optimization with automated creation of AI-citable content such as thought leadership articles, comparison pages, alternative pages, and topical authority content. By helping brands understand how AI models perceive and recommend their products, Gracker AI transforms AI visibility into higher discoverability, stronger category leadership.

Starting Price: $99 per month

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Kai

Kai Footprint

Kai is a platform designed to help businesses improve their visibility across AI-driven search engines like ChatGPT. With its advanced AI brand analytics, Kai tracks brand mentions, keywords, and competitor performance, enabling companies to increase their presence in AI-generated responses. It offers insights into AI search performance, helping businesses adjust their marketing strategies and climb the rankings. With features like real-time reporting, competitor monitoring, and actionable recommendations, Kai ensures your brand is seen by the right audience in AI-powered conversations.

Starting Price: $99/month

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LLMrefs

LLMrefs is an AI SEO platform designed to enhance brand visibility within AI-driven search engines such as ChatGPT, Claude, Gemini, Perplexity, and Grok. It enables users to monitor how their brand is represented across these platforms, providing insights into keyword rankings and the sources AI tools reference when discussing their brand. By analyzing mentions and comparing visibility scores with competitors, LLMrefs assists users in optimizing their content for better alignment with AI search behaviors. It offers a user-friendly interface, allowing sign-ups via email, Google, or Microsoft accounts, and does not require a credit card to get started. It is trusted by SEO professionals, founders, and industry leaders seeking to adapt to the evolving landscape of AI-powered search.

Starting Price: $79 per month

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Omnia

Omnia, Inc.

Omnia is an AI-driven brand visibility and optimization platform that helps organizations track, monitor, and improve how their website, products, and services appear in answers and citations from major AI engines like ChatGPT, Perplexity, and Google AI by querying those engines with prompts relevant to your business and analyzing what users actually see. It lets you input your brand URL, select topics and prompts to monitor, and then continuously runs those queries against multiple AI engines to gather data on citations, share of voice over time, trends, and competitor performance so you can understand not only if you’re showing up in AI responses but why, in what context, and alongside which sources. Omnia organizes visibility data hierarchically from broad topics to specific prompts, provides visual metrics such as share of voice and comparison charts, and highlights the sources driving AI mentions so you can adapt content strategy to target high-value queries.

Starting Price: €79 per month

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PallasAI

PallasAI is the premier Answer Engine Optimization platform for the AI search era, built to help brands become the answer AI recommends, not just a link it indexes. Millions now ask ChatGPT, Perplexity, Claude, Gemini, and other AI assistants who to trust, and search engine marketing alone no longer reaches those recommendation moments. PallasAI delivers AI search optimization that monitors, diagnoses, and elevates brand presence autonomously across major answer engines. It starts with a live AI visibility audit, showing how many AIs actively recommend the brand, where they skip it, where they get facts wrong, and which issues are one-click fixable. Its 23-point AI visibility audit identifies whether AI assistants can reach the brand, whether they choose it, and whether they describe it correctly. PallasAI helps resolve critical visibility gaps immediately, with seamless Shopify integration for changes that write straight back to the store.

Starting Price: $699.99 per year

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Surfaced

EXPX B.V.

Surfaced is a generative engine optimization (GEO) and answer engine optimization (AEO) platform. It shows how a brand appears when people ask AI assistants for recommendations, and helps close the gaps. You pick the prompts, the countries they are asked from, the languages and the engines. Surfaced tracks 12 engines, including ChatGPT, Google Gemini, Google AI Overviews, Claude, and Perplexity. Prompts run in a browser from the chosen location rather than through model APIs, so the results match what buyers in that market see. Each answer is scored on brand visibility, citations, mention rank, sentiment and competitor share of voice. You can see which brands are named instead of yours, which pages the engines cite, and where an answer describes your brand wrongly or with outdated facts. For each gap, Surfaced drafts articles, landing pages, FAQs and schema, written natively in the target language rather than machine-translated.

Starting Price: $39/month

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Optimus Pass

GO-Ultra, LLC

Optimus Pass is an AI visibility and crawler-access platform. The free checker reads robots.txt and evaluates 9 AI crawler identities (GPTBot, OAI-SearchBot, PerplexityBot, ClaudeBot, Claude-SearchBot, Google-Extended, Googlebot, Bingbot, OAI-AdsBot), showing the exact rule behind each Allow/Block state. The full Visibility Audit scores SEO (18 checks), GEO (11) and AEO Beta (17) per page, with Fix First priorities so teams know what to change first. A separate Ad Compliance scanner reviews ad copy against 65 risk detectors across 10 platform profiles. Built for founders, SEO consultants, and agencies that need evidence instead of promises. Free tier includes 3 checks; Professional $199/mo (50 checks); Agency $599/mo (250 checks); $1,995 done-for-you audit.

Starting Price: $199.00 per month

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Atomic AGI

Atomic AGI is an agentic marketing platform for AI search, built around comprehensive analytics, processed LLM-ready data, vertical agents, and self-updating company context. It tracks data across ChatGPT, Claude, Perplexity, Gemini, DeepSeek, Google AI Mode, and AI Overviews, combining behavioral website data with synthetic data modeled from LLMs to show how models answer, how people interact, and how bots crawl. Raw signals such as prompts, pages, entities, competitors, and citations are processed into usable context that helps both people and agents decide what to work on and how. Atomic’s agents and tools are purpose-built for SEO and AEO rather than generic productivity, using connected AI search performance, Google Search Console, GA4, brand information, competitor context, workflows, and a self-updating knowledge base. Teams can use them to analyze performance, audit LLM readiness, monitor AI visibility, refresh content, improve internal linking, and track competitors.

Starting Price: $40 per month

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Orchly AI

Orchly is an AI visibility and optimization platform that monitors how brands appear across Google and AI search, identifies visibility gaps, and uses AI agents to act on them. It tracks prompts across ChatGPT, Perplexity, Gemini, Google AI Overviews, Google AI Mode, Microsoft Copilot, Grok, and other engines to show who gets mentioned, cited, and ranked against competitors. It also combines Search Console and GA4 data, daily keyword rankings, AI traffic analytics, shopping visibility, query fan-out analysis, and site audits for SEO and GEO. Its AI marketing agents can research, write, refresh, translate, link, optimize, and publish content, diagnose visibility drops, fix metadata and schema, create reports, and support off-site outreach. Agents work from Brand Brain, which stores company facts, voice, audience, priorities, files, links, and website context so outputs stay grounded and on brand.

Starting Price: $49 per month

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TeamB

TIMC Services

TeamB is a browser-based website auditing tool for businesses, website owners, and marketing and SEO professionals. It checks public webpages across search engine optimization (SEO), answer engine optimization (AEO), and generative engine optimization (GEO), then provides scores, findings, and practical guidance. Checks cover page titles and descriptions, headings, structured data, sitemaps, HTTPS, page speed, mobile setup, content structure, and whether search engine and AI crawlers can access page content. Users can review site- and page-level results, prioritize fixes, track scores over time, and save reports as PDFs. The free plan supports up to three websites, five checks per rolling 24 hours, and five pages per check. TeamB is accessed through a browser. Planned Premium features include site-wide checks and fixes for WordPress and Shopify websites that users approve before publication.

Starting Price: $0

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AI Visibility

AI Visibility is a platform designed to enhance how brands appear across various AI platforms. It offers advanced optimization tools to ensure brands stand out in the age of artificial intelligence, delivering measurable improvements in AI-driven brand perception. The platform provides real-time brand visibility tracking, measures AI presence effectiveness, and offers AI-driven visibility improvements. Trusted by over 500 brands, AI Visibility has monitored more than 1 million AI interactions, achieving an average visibility improvement of 40%.

Starting Price: $19/month

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KNWN

KNWN helps businesses understand how visible their brand is to AI tools like ChatGPT, Perplexity, Gemini, and Claude. It scans your website and shows you whether AI models can access, interpret, and recommend your content to users. You’ll get an AI Visibility Score, Audience Fit Score, and real-time analytics showing how often AI agents mention your site. If there are gaps, missing pages, unclear content, or poor structure. KNWN tells you what to fix and how. For Pro users, it also generates AI-optimized content and recommends actions to improve AI discoverability. It's ideal for founders, marketers, and agencies who care about SEO but want to go one step further: making sure their brand exists in AI conversations.

Starting Price: $20/month

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BrandViz.AI

BrandViz.AI is an AI visibility platform that delivers actionable intelligence on how ChatGPT, Claude, Gemini, and Perplexity perceive and recommend your brand to buyers. Unlike traditional SEO tools, BrandViz.AI tracks what matters in the AI era - whether AI actually recommends you when customers ask for solutions. What sets BrandViz.AI apart is actionability. Users report identifying strategy gaps and actionable fixes within their first 20 minutes. Clear recommendations upfront, with full depth when you need it - explore every AI response, deep-dive into source analysis, and navigate tagged answers by category. Key capabilities include brand visibility scoring, competitive intelligence, source attribution, and an Action Center that prioritizes what to fix next. Our research uncovered a critical insight - high visibility doesn't guarantee recommendations. Some brands appear frequently but rarely win. BrandViz.AI shows why, and exactly how to fix it.

Starting Price: $49/month

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Brandi

Brandi AI is an AI Visibility and Generative Engine Optimization platform built to help brands understand, track, and improve how they appear in answers generated by leading AI systems such as ChatGPT, Gemini, Claude, Perplexity, and others, essentially making brand discovery within generative AI measurable and actionable rather than invisible. It continuously monitors how often a brand is cited, recommended, or described in AI-generated responses, provides deep analytics, including AI Visibility Health Scores and Share of Voice benchmarks against competitors, and offers strategic insights to refine content, messaging, and technical structure so that digital assets are more likely to be surfaced as trusted answers in AI-driven discovery. Brandi translates raw AI output into market intelligence by identifying prompts and narrative gaps, revealing sentiment and competitive positioning, and recommending optimized content and structured formats.

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MaxAEO

MaxAEO tracks how brands appear across ChatGPT, Gemini, Perplexity, Claude, Copilot, Grok, Google AI Overview, and Google AI Mode. It monitors AI mentions, recommendation position, sentiment, competitor ranking, citations, and content gaps so SaaS teams, marketers, SEO agencies, ecommerce brands, and local businesses can understand and improve AI search visibility.

Starting Price: Free

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VisibAI

VisibAI is a B2B SaaS platform that measures and improves how your brand appears in AI-generated answers. As people increasingly ask ChatGPT, Perplexity, Claude, and Gemini for recommendations instead of running traditional Google searches, the brands those models name are the ones that win attention. VisibAI tells you exactly where you stand. The platform runs dozens of industry-specific and location-specific queries across up to six AI platforms (ChatGPT, Perplexity, Claude, Gemini, Mistral, You.com), then returns a single visibility score out of 100. Beyond the headline number, it surfaces which competitors are appearing in AI answers when yours isn't, identifies the specific gaps holding you back, and generates a prioritized fix list plus an AI action plan to close them. VisibAI is built for the shift from SEO to Generative Engine Optimization (GEO).

Starting Price: $0

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Ansvisor

Ansvisor is an open-source, cloud-ready AI Visibility and AI Search Optimization platform that helps brands monitor and improve their visibility across AI-powered search and answer engines such as ChatGPT, Gemini, Claude, Perplexity, Google AI Mode, Google AI Overviews, Grok, and Microsoft Copilot. The platform tracks AI mentions, citations, prompts, sentiment, competitor visibility, share of voice, and AI-driven traffic in real time. Ansvisor also provides AI-ready content optimization, prompt analytics, citation intelligence, and conversational search insights designed for AEO (Answer Engine Optimization) and GEO (Generative Engine Optimization) strategies. Built under the MIT license, Ansvisor is self-hostable, customizable, developer-friendly, and designed for SEO teams, agencies, marketers, startups, and enterprises preparing for the future of AI-powered discovery and conversational search.

Starting Price: $49/month

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Best Free Answer Engine Optimization (AEO) Software

Compare the Top Free Answer Engine Optimization (AEO) Software as of October 2026

What is Free Answer Engine Optimization (AEO) Software?

Semrush

GEO Metrics

Rankscale

Cairrot

Scriptbee

ZeroRank

Sellm

Hall

Stobo

Zerply

AEO Copilot

Elmo

Perform.AI

GrackerAI

Kai

LLMrefs

Omnia

PallasAI

Surfaced

Optimus Pass

Atomic AGI

Orchly AI

TeamB

AI Visibility

KNWN

BrandViz.AI

Brandi

MaxAEO

VisibAI

Ansvisor

Best Free Answer Engine Optimization (AEO) Software

Compare the Top Free Answer Engine Optimization (AEO) Software as of October 2026

What is Free Answer Engine Optimization (AEO) Software?

Semrush

GEO Metrics

Rankscale

Cairrot

Scriptbee

ZeroRank

Sellm

Hall

Stobo

Zerply

AEO Copilot

Elmo

Perform.AI

GrackerAI

Kai

LLMrefs

Omnia

PallasAI

Surfaced

Optimus Pass

Atomic AGI

Orchly AI

TeamB

AI Visibility

KNWN

BrandViz.AI

Brandi

MaxAEO

VisibAI

Ansvisor

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