Lettertrace is a free, developer-first, and open-source analytics tool designed to help businesses track their marketing and visibility presence within AI systems. It measures how often major AI models—specifically Claude, ChatGPT, and Gemini—mention your company.
Built with transparency and control in mind, Lettertrace is fully open-source with code available on GitHub. The platform operates on a developer-friendly bring-your-own-key (BYOK) architecture, allowing you to track your brand's AI visibility for free by running queries using your own API keys.
Lettertrace is an open-source marketing and analytics tool designed to measure your company's visibility by tracking how often it is mentioned in AI models like Claude, ChatGPT, and Gemini.
Lettertrace is completely free. It utilizes a 'bring-your-own-key' approach, meaning you only run queries using your own personal API keys.
Yes, Lettertrace is an open-source project with a public code repository on GitHub.
Lettertrace specifically measures and tracks brand mentions across ChatGPT, Claude, and Gemini.
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