Lettertrace is a developer-first AI-search visibility tool that runs brand-topic queries against Claude, ChatGPT, and Gemini and aggregates mentions. It uses bring-your-own keys and offers a CLI, an MIT-licensed version, and free hosting. Results reflect the selected models and prompt sample rather than a stable ranking.
Features
- Multi-model brand mention tracking
- Bring-your-own API keys
- CLI and open-source deployment
- Free hosted edition
Use Cases
- Establish an AI visibility baseline
- Compare brand and competitor mentions
- Monitor GEO changes
- Automate visibility reports
FAQ
Lettertrace is a developer-first AI-search visibility tool that runs brand-topic queries against Claude, ChatGPT, and Gemini and aggregates mentions. It uses bring-your-own keys and offers a CLI, an MIT-licensed version, and free hosting. Results reflect the selected models and prompt sample rather than a stable ranking. Core capabilities include: Multi-model brand mention tracking, Bring-your-own API keys, CLI and open-source deployment.
Common scenarios include: Establish an AI visibility baseline, Compare brand and competitor mentions, Monitor GEO changes.
Alternatives and related tools
GEOFlow
Open-source GEO content engineering and multi-site distribution system with AI tasks, RAG/semantic chunking, analytics, GEOFlow Agent and WordPress target publishing.
ThumbnailMake
Generate four video thumbnail concepts with estimated click-through scores
Idlen
A developer ad platform for AI waiting periods