What is Letty?
Letty is an AI-driven Gmail email-writing assistant seamlessly integrated as a Chrome extension, helping users draft polished, accurate professional emails in seconds. It supports customized training based on user-uploaded documents, FAQs, or website content, ensuring replies align closely with individual or corporate contexts. All email context is used solely for real-time generation and no user email content is stored, ensuring privacy and security.
Key features
Smart Replies: Automatically analyzes the current email thread and generates contextually relevant, appropriately toned quick replies, enhancing both response speed and quality.
Personalized Training: Supports uploading documents, FAQs, or entering website links. Letty can extract information from these sources (up to 10,000,000 training characters) to create more precise, brand-consistent email content.
Use cases and audience
Professionals who need to efficiently handle large volumes of emails, sales teams, customer support staff, and small-to-medium-sized teams requiring personalized communication.
- Quickly compose professional emails, such as sales pitches or everyday communications.
- Intelligently generate context-aware email replies
- Train the AI based on user-uploaded documents, FAQs, or website content to provide personalized responses
The user’s current email thread, uploaded documents or website text (for training), and the user’s specified writing style preferences.
Contextually appropriate professional email body or reply suggestions.
Frequently asked questions
Which email platforms does Letty support?
Currently, optimization is only available for Gmail; platforms such as Outlook and Zoho will be supported soon.
Can I customize the suggestions provided by Letty?
Absolutely! Letty offers a variety of preference settings, allowing you to customize suggestions according to your personal writing style.
How to use
- 01
Install the Letty extension in the Chrome browser
- 02
Add it to your Gmail account
- 03
Start using smart replies or compose a new email
- 04
Upload documents or website links to train a personalized model
Pricing and availability
Free plan: $0/month, including 10 AI calls per month and up to 400,000 training characters; Premium plan: $9/month, including 150 AI calls per month, up to 4,000,000 training characters, and priority support; Platinum plan: $19/month, including unlimited AI calls per month, up to 10,000,000 training characters, priority support, and early access to new features. All plans reset their AI credit balance on the 1st of each month, regardless of the subscription date.
- Pricing source
- https://www.useletty.com/
- Pricing last updated
- 2026-10-30
Prices and limits may change. Check the official website for current terms.
Official website & sources
Updated on 2026-10-30
