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Description

Lettertrace is a platform designed for open-source AI visibility monitoring that tracks the frequency with which AI models like Claude, ChatGPT, Gemini, and Google AI Overviews mention and endorse specific brands. Users input the topics their customers frequently inquire about, and the platform efficiently creates diverse natural prompts to observe how AI assistants respond to these queries. Each monitoring session generates valuable data points, enabling teams to assess visibility, prominence, sentiment, and share of voice related to various topics and models over time. Additionally, competitor analysis reveals how often competing brands are referenced, which entities are recommended by AI, and how a particular brand stacks up against its rivals. The generated reports transform raw AI responses into essential metrics that AEO and GEO teams rely on, such as brand visibility, share of voice, sentiment analysis, recommendations, and competitive standings. By offering scheduled monitoring options on a daily or weekly basis, the platform helps create actionable trend lines, while its multi-model analysis capability allows for a side-by-side comparison of results from different AI answer engines, providing a comprehensive view of brand performance. This multifaceted approach equips brands with the insights necessary to refine their strategies in an increasingly competitive marketplace.

Description

Proofsource serves as an AI visibility platform that engages with ChatGPT, Perplexity, Claude, and Google AI to analyze the inquiries posed by your potential buyers. It identifies which of these questions mention your brand versus your competitors, cites the sources of the answers, and pinpoints areas for improvement. Each statistic is linked to authentic AI responses, allowing for a clear understanding of your current standing. Once you implement changes, Proofsource re-evaluates the same questions to determine if your brand's visibility has improved. Additionally, it integrates seamlessly with ChatGPT, Claude, and any MCP client. Marketing teams benefit by tracking visibility, citations, and traffic driven by AI referrals, while also being able to compare the outcomes of different prompts over time and assess content suggestions prior to publication. Furthermore, it connects with tools like Google Search Console, Google Analytics 4, and Cloudflare, providing notifications via Slack and Microsoft Teams, and facilitates publishing on WordPress. For programmatic access, a REST API is available. A free trial is offered without requiring a credit card, with subscription plans starting at just $9 per month for each brand. This comprehensive approach ensures that businesses can effectively manage their online presence and stay competitive in a rapidly evolving digital landscape.

API Access

Has API No 

API Access

Has API Yes 

Screenshots View All

Screenshots View All

No images available

Integrations

ChatGPT Yes 
Claude Yes 
Cloudflare No 
Gemini Yes 
Google AI Overviews Yes 
Google Analytics No 
Google Search Console No 
Microsoft Teams No 
Model Context Protocol (MCP) No 
Slack No 
WordPress No 

Integrations

ChatGPT Yes 
Claude Yes 
Cloudflare Yes 
Gemini No 
Google AI Overviews No 
Google Analytics Yes 
Google Search Console Yes 
Microsoft Teams Yes 
Model Context Protocol (MCP) Yes 
Slack Yes 
WordPress Yes 

Pricing Details

Free
Free Trial No 
Free Version Yes 

Pricing Details

$9/month per brand
Self-serve subscriptions start at $9/month per brand for a small weekly-check setup; costs vary with the number of questions, search engines and check cadence. Daily checking starts at $28/month per brand, with additional question and engine charges. Annual billing offers two months free. Tailored plans start at $64/month; managed services start at $1,000/month. The no-card free trial lasts two days and includes 200 answers.
Free Trial Yes 
Free Version No 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support Yes 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support Yes 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person No 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person No 

Vendor Details

Company Name

Lettertrace

Country

United States

Website

lettertrace.com

Vendor Details

Company Name

Grovio Labs, Inc.

Founded

2026

Country

United States

Website

proofsource.co/

Product Features

Alternatives

Alternatives

No Alternatives