Lettertrace: Open-Source Tool to Monitor Brand Visibility in LLMs

heyshrutimishra · x · 2026-08-12

As AI search becomes a vital channel for product discovery, the open-source tool Lettertrace has launched to help companies track their brand visibility across major LLMs.

The tool allows users to query mentions, sentiment, and share of voice for specific brands within models like ChatGPT, Claude, and Gemini. The creators have made it free and open-source to reduce the barrier for businesses to measure their AI search performance, using it as a lead generation tool for their core site deployment services.

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