Lettertrace
An open source tool for monitoring company mentions across AI models like ChatGPT, Claude, and Gemini.
Recommended for
- Solo / Indie
- Idea-Stage
- Pre-Seed
- Seed
Lettertrace is an open-source monitoring platform that measures how frequently AI assistants mention your company. It enables users to track brand visibility, sentiment, and prominence by querying models with specific topics. The product automatically generates prompt variations to reflect real user questions asked of AI assistants. Users can benchmark their brand against competitors to analyze share of voice and model recommendations. Every run generates data points that allow for trend analysis over time. The platform is designed for developers and supports self-hosting for increased control. It provides metrics specifically for AEO and GEO teams to evaluate AI presence.
SSIE
Stage Fit Recommendations
Following data shows why Lettertrace is recommended for listed teams. The Fit Score represents the percentage fit of Lettertrace to each company stages, as calculated by the SSIE.
Stage
Fit Score
Fit Reasons
Solo / Indie
$0–$2,000 MRR
68- Utilize personal API keys without third-party usage markups
- Inspect and extend via open-source MIT licensed codebase
Idea-Stage
$0
84- Data encryption at rest and in transit
- Schedule daily or weekly monitoring runs for trends
Pre-Seed
$0–$10k MRR
84- Monitor brand visibility across ChatGPT, Claude, and Gemini
- Benchmark brand share of voice against identified competitors
- Analyze sentiment of AI answers regarding your brand
Seed
$10k–$100k MRR
68- Automatically generate prompt variations from specified buyer topics
- Maintain full data control via self-hosted Supabase instances
- Open-source codebase, independently reviewable
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