Elmo

Elmo is an open-source platform for answer engine optimization (AEO), also known as generative engine optimization (GEO). It helps brands understand and improve how they appear in AI-generated answers, tracking mentions, competitors, share of voice, and the sources cited by AI models. Supported platforms include ChatGPT, Claude, Gemini, Perplexity, Google AI Overviews, Copilot, and others.

Teams can add a brand and receive suggested prompts and competitors to monitor. Elmo checks responses up to four times daily, presents visibility data in a dashboard, and ranks improvement opportunities by impact. Its API and MCP access support integration with other tools and agents, while unlimited team seats are included across plans.

Elmo is available through cloud subscriptions starting at $29 per month, with higher-priced plans offering additional brands, prompts, platforms, and premium-model tracking. Organizations can also self-host the software for free, with access to unlimited prompts and models. Custom plans and white-label services are available for teams with expanded requirements or agencies serving clients.