Lettergram vs ChatGPT Writer
Side-by-side comparison · Updated April 2026
| Description | Lettergram.net is a unique platform that uses artificial intelligence to create personalized pen pal experiences through physical mail. Originating from a whimsical idea, it offers various types of AI pen pals, including historical figures and fantastical characters. Users can write and receive letters, fostering a nostalgic and educational experience. The service launched in February 2023 and provides a 30-day free trial for new users. | ChatGPT Writer is your personal AI assistant designed to streamline your writing experience across various platforms. Whether you need help with writing emails, fixing grammar, improving writing, or translating text, ChatGPT Writer offers advanced AI features to assist you. It integrates seamlessly with Gmail and supports a wide range of browsers, ensuring that you can easily access its services anytime. It also emphasizes privacy and security with features like data encryption and no third-party sharing. Ideal for individual users, small businesses, and enterprises, ChatGPT Writer offers different plans to cater to your specific needs, including a comprehensive free plan and more advanced paid options. |
| Category | Conversational AI | AI Assistant |
| Rating | No reviews | No reviews |
| Pricing | Paid | Freemium |
| Starting Price | $10/mo | Free |
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| Tags | AI pen palpersonalized lettersphysical mailhistorical figuresfantastical characters | AI writing assistantGrammar correctionEmail supportTranslationBrowser integration |
| Features | ||
| AI-generated pen pals with unique personas and backstories | ||
| Options to choose from various types of pen pals including historical, fantasy, and supportive figures | ||
| Physical letters sent and received via mail | ||
| Scanned letters added to online profile | ||
| 30-day free trial for new users | ||
| Option to generate your own pen pal | ||
| Subscription plans with flexible frequency | ||
| Supports nostalgic and educational experiences | ||
| Launched in February 2023 by Austin Walters | ||
| Privacy policy and terms of use to protect personal information | ||
| Email and message writing | ||
| Grammar correction | ||
| Content improvement | ||
| Text translation | ||
| Advanced Gmail integration | ||
| Multiple launch options | ||
| Browser compatibility | ||
| Data encryption and privacy | ||
| Free and paid plans | ||
| Priority support for premium users | ||
| View Lettergram | View ChatGPT Writer | |