Best Free Answer Engine Optimization (AEO) Software of 2025

Semrush, a SaaS platform for online visibility management and marketing content, ensures that businesses get measurable results through online marketing. Our software helps businesses of all sizes to optimize their visibility on key channels and create engaging user-generated content. Our data helps users discover great growth opportunities. Workflow and tracking solutions allow them to run experiments continuously, and measure results more accurately. Discover the marketing strategies and tactics of your competitors. Analyze the traffic on any website. Unveil competitor promotion strategies. Get ideas to increase your market share. Discover keyword & backlink gap. Find out how to reach more customers for less money. Find the best keywords to use in every PPC campaign. Monitor the landing pages and ad copy of your competitors. Optimize your advertising spend (at the local level). Analyze Google Shopping campaigns.

LLMO Metrics is a comprehensive platform that focuses on monitoring, assessing, and enhancing your brand's visibility within AI-generated content across various applications, including ChatGPT, Gemini, Copilot, AI Overviews, DeepSeek, Claude, and Perplexity. With the growing significance of AI as a primary search tool, LLMO Metrics empowers businesses to maintain a positive and precise representation in AI-driven searches. The platform features Generative Engine Optimization, offering insights into your brand's ranking for essential queries in comparison to competitors, along with historical data tracking. It also includes Answer Correction & Validation, ensuring that AI systems deliver accurate information about your business by monitoring discrepancies from the verified answers you supply. Furthermore, LLMO Metrics facilitates the analysis of how different AIs rank your brand against others, providing valuable information on which web pages serve as sources for AI-generated answers, thus enhancing your strategic positioning in the digital landscape. By leveraging these tools, businesses can proactively manage their reputation and visibility in the evolving AI ecosystem.

Rankscale.ai is an advanced platform that focuses on helping businesses optimize their AI search visibility and track performance across AI-powered search engines. The platform uses AI-driven analytics to provide insights into how brands are perceived, enabling businesses to adjust their content and SEO strategies accordingly. With features like real-time tracking, competitor analysis, and AI search ranking monitoring, Rankscale.ai ensures that businesses can continuously improve their performance and visibility in the rapidly evolving landscape of AI search engines.

Sellm is an advanced brand tracking platform tailored for marketing teams who want comprehensive oversight of their brand’s visibility across large language model (LLM) platforms like ChatGPT and Perplexity. Utilizing sophisticated LLM brand mention monitoring technology, Sellm scans multiple AI platforms to detect mentions, keywords, and competitor movements, providing marketing teams with vital data to refine their strategies. The software offers detailed, easy-to-understand reports that highlight opportunities and potential risks to your brand reputation. By continuously monitoring LLMs, Sellm enables businesses to respond quickly to emerging trends and competitive activity. It helps marketers optimize brand visibility in this rapidly evolving space and ensures reputation protection in AI-powered environments. Sellm’s insights empower teams to craft data-driven campaigns and maintain a competitive edge. This platform is essential for businesses looking to leverage the growing influence of AI conversational tools on brand perception. Sellm stands out as the benchmark in LLM brand tracking software.

Hall offers a unique AI conversation intelligence platform that allows businesses to monitor how their brand appears in AI-driven discussions. It provides comprehensive analytics on how your website is cited in AI content, tracking engagement patterns and sentiment around your brand. With advanced features like agent analytics and generative answer insights, Hall helps you understand and optimize your digital presence to align with AI trends, improve brand perception, and drive more traffic through AI-generated content.

HubSpot has introduced the AI Search Grader, a complimentary tool aimed at assisting brands in comprehending and improving their visibility in AI-driven search platforms. By examining the presence of your brand in AI search results, it generates insights regarding brand sentiment and share of voice, resulting in a detailed score that indicates overall performance. This evaluation empowers marketers, SEO specialists, entrepreneurs, and blog managers to pinpoint aspects that require enhancement, refine their strategies, and boost brand visibility, user traffic, overall awareness, and sales figures. At present, the AI Search Grader assesses outcomes from GPT-4o, with intentions to expand its evaluations to include additional AI search engines in the future. The tool remains free to utilize, allowing users to evaluate their own brand or those of competitors within their field to measure performance and visibility effectively. As the trend shifts towards AI search engines such as ChatGPT and Perplexity for information retrieval, it becomes crucial for brands to adapt their strategies and embrace innovative approaches beyond conventional search techniques. This shift signifies a transformative moment in digital marketing, where leveraging AI tools will be essential for maintaining a competitive edge.

Kai provides businesses with the tools they need to enhance their visibility in AI-driven search platforms like ChatGPT. By offering detailed brand analytics, keyword tracking, and competitor analysis, Kai allows businesses to measure their online presence and optimize their AI search rankings. With real-time insights and customizable reporting, companies can make data-driven decisions to improve their visibility and performance in AI conversations. Kai helps brands stay competitive and visible in the rapidly evolving world of AI-powered search.

LLMrefs is an innovative AI SEO platform aimed at boosting brand exposure in AI-centric search engines like ChatGPT, Claude, Gemini, Perplexity, and Grok. This tool helps users track their brand’s representation across these various platforms, offering valuable insights on keyword rankings and the references utilized by AI tools when mentioning their brand. By evaluating brand mentions and comparing visibility metrics with competitors, LLMrefs supports users in fine-tuning their content to better resonate with AI search patterns. The platform features an intuitive interface that allows users to sign up using their email, Google, or Microsoft accounts without the need for a credit card to begin. Trusted by SEO experts, entrepreneurs, and industry leaders, LLMrefs empowers them to navigate the rapidly changing landscape of AI-driven search effectively. As the digital marketing environment continues to evolve, leveraging tools like LLMrefs can provide a competitive edge.

AI Visibility serves as a comprehensive solution aimed at amplifying brand presence across a multitude of AI platforms. By utilizing sophisticated optimization tools, it guarantees that brands can distinguish themselves effectively in the realm of artificial intelligence, resulting in quantifiable advancements in how they are perceived by AI systems. The platform not only tracks brand visibility in real-time but also evaluates the efficacy of AI presence, providing targeted enhancements for visibility. With the confidence of over 500 brands, AI Visibility has successfully analyzed over 1 million AI interactions and has reported an impressive average increase in visibility of 40%. Moreover, it continues to evolve, adapting to the dynamic landscape of AI to ensure brands remain at the forefront of consumer recognition.

KNWN is an innovative platform that allows businesses to assess how easily AI tools such as ChatGPT, Perplexity, Gemini, and Claude can discover and recommend their content. By scanning your website, KNWN provides an AI Visibility Score and Audience Fit Score, along with real-time data on how frequently AI agents reference your site. If there are any gaps in content, unclear messaging, or structural issues, KNWN gives you specific recommendations on what to improve. Pro users can also access AI-optimized content creation and further strategies to enhance AI discoverability, ensuring your brand is well-represented in AI-driven conversations.

Cairrot is an innovative AI visibility solution that enhances your ranking in AI search immediately upon installation. It stands out as the sole AI visibility platform featuring a WordPress plugin, which allows for free tracking of LLM crawl logs, along with an API that facilitates the development of customized internal marketing tools. In addition, Cairrot provides practical tutorials focused on Answer Engine Optimization (AEO) and Generative Engine Optimization (GEO), empowering marketers and agencies to optimize their websites for LLMs such as ChatGPT, Perplexity, Gemini, Claude, Grok, and others. Our platform also disseminates data studies derived from our own research and marketing experiments, offering valuable insights into the performance of AI-driven strategies. As one of the most respected tools in the realm of AI visibility, we take pride in providing marketers with complimentary insights that help them track, optimize, and enhance their rankings in AI search results. Cairrot equips marketing teams and agencies with the knowledge they need to achieve higher rankings and attract traffic from leading LLMs, including ChatGPT, Perplexity, Gemini, Claude, Grok, and more. You’ll discover a wealth of helpful tutorials covering essential topics such as AI visibility, the intricacies of LLM algorithms, and effective AEO strategies for garnering success in the digital landscape. Moreover, our commitment to sharing knowledge ensures that marketers stay ahead of the curve in an ever-evolving digital environment.

Glide helps B2B companies overcome market saturation by ensuring their brand appears inside AI responses where prospects are searching. Instead of competing for costly ads or struggling to break through digital noise, businesses use Glide to secure guaranteed indexing across leading AI engines. Its team analyzes your ICP, crafts optimized content, and distributes it to hundreds of premium global media outlets—including Bloomberg, Yahoo Finance, and Business Insider. These publications feed authoritative signals to Google and AI systems, increasing your visibility dramatically. Glide’s approach drives long-lasting organic traffic, positioning AI as a scalable salesperson working around the clock. Clients receive detailed tracking that proves their presence in ChatGPT, Gemini, and Copilot answers. With growing competition for AI visibility, Glide gives companies a major edge by shaping what AI says about their brand. The platform delivers a full-funnel growth strategy centered on trust, authority, and sustained exposure.

Stobo evaluates your website's visibility in AI search results, ensuring that when users inquire with tools like ChatGPT, Claude, or Perplexity about your category, your site is included in the responses. Their complimentary audit assesses six key technical aspects: the configuration of robots.txt for AI crawlers, the implementation of llms.txt, schema markup, the structure of the sitemap, the content of FAQs, and optimization for direct answers. Many websites score under 40, but with some basic adjustments, you can elevate your score to over 80. Created by former Apple designers, Stobo offers a free audit and detailed implementation reports, complete with ready-to-use code for €199, optimizing your site for enhanced AI presence. This service is ideal for businesses looking to improve their online visibility and reach across AI-driven platforms.

Geneo is a comprehensive AI search optimization platform that enables businesses to track, analyze, and improve their visibility across leading generative AI engines like ChatGPT, Perplexity, and Google AI Overview. Using advanced Generative Engine Optimization (GEO) and Answer Engine Optimization (AEO) techniques, Geneo helps brands dominate AI search results by providing real-time monitoring and competitor benchmarking. The platform’s AI-driven sentiment analysis delivers deep insights into brand perception, helping businesses identify and respond to trends in positive, neutral, or negative mentions. Geneo also maintains a detailed history of AI search queries, preserving raw responses and offering time-series performance comparisons. Its workspace management supports multiple brands, team collaboration, and flexible monitoring frequencies. Additionally, Geneo offers AI-powered content suggestions such as FAQ generation and schema markup to enhance SEO and AI visibility. The platform provides 24/7 support, enterprise-grade security, and flexible credit-based pricing with a free tier for small users. Thousands of businesses rely on Geneo to improve AI search rankings and generate more qualified traffic.