Track your AI visibility for free (using your own API keys!)
Lettertrace measures how often Claude, ChatGPT, and Gemini mention your company. But there's a catch: it's free, developer-first, bring-your-own-key, and open source.
Lettertrace launched on Product Hunt on 2026-08-12 and has 375 upvotes and 58 comments so far.
This tool is open source.