MailGPT - Chrome Extension

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Introduction: MailGPT by Pier20.ai is a Chrome extension that integrates ChatGPT and Claude AI directly into your Gmail inbox. It offers AI writing assistance to help you draft professional emails with speed and efficiency. Use MailGPT to turn rough outlines into polished messages, convert meeting notes into actionable emails, adjust the tone of your correspondence, simplify complex content, and define custom writing styles using personalized AI instructions.

MailGPT - Chrome Extension Product Information

What is MailGPT - Chrome Extension?

MailGPT, developed by Pier20.ai, is a Chrome extension that integrates ChatGPT and Claude AI directly into your Gmail interface. It provides AI writing assistance to help you craft professional emails quickly and effectively. MailGPT allows you to transform rough outlines into polished emails, convert meeting notes into actionable emails, add personality to your messages, simplify complex emails, and create custom writing styles with personalized AI instructions.

How to use MailGPT - Chrome Extension?

Install the Chrome extension, register for a free Pier20 account, and begin drafting emails in Gmail. MailGPT will offer AI-powered suggestions and assistance as you type.

MailGPT - Chrome Extension's Core Features

  • AI-powered email writing assistance within Gmail
  • Integration of ChatGPT and Claude AI
  • Transforming outlines into polished emails
  • Converting meeting notes into actionable emails
  • Adding wit and personality to messages
  • Simplifying complex emails
  • Creating custom writing styles

MailGPT - Chrome Extension Use Cases

#1 Drafting professional emails efficiently
#2 Increasing email response rates
#3 Simplifying complex email communications
#4 Personalizing your email writing style

FAQ from MailGPT - Chrome Extension

What are ChatGPT and Claude? +

ChatGPT (by OpenAI) and Claude (by Anthropic) are advanced AI language models trained on extensive datasets. They are designed to understand context, process information, and generate human-like text for various tasks, including email composition.

What is MailGPT? +

MailGPT is a free Chrome extension from Pier20.ai that provides AI writing assistance directly within your Gmail inbox, helping you write more effective emails faster to improve response rates.

Is MailGPT free? +

Yes, the extension is entirely free to use.

Do I need an account? +

Yes, you must create a free Pier20.ai account to use the extension. You can get started by visiting https://app.pier20.ai/.

Is this an official OpenAI or Anthropic product? +

No, MailGPT was developed by the team at Pier20.ai. It was originally created for internal use and has been released publicly to assist others in writing better emails.

MailGPT - Chrome Extension Pricing

Free

$0

Free plan available.

Related Model Comparison Pages

Use these comparison pages to understand the trade-offs between the models most relevant to MailGPT - Chrome Extension.

Compare GPT 5.4 and GPT 5.4 Pro across pricing, context window, capabilities, benchmarks, and API access to choose the better fit for long-context workloads versus long-context workloads.

Compare GPT 5.5 and GPT 5.4 across pricing, context window, capabilities, benchmarks, and API access to choose the better fit for long-context workloads versus long-context workloads.

Compare GPT 5.5 and Claude 4.6 Opus across pricing, context window, capabilities, benchmarks, and API access to choose the better fit for long-context workloads versus long-context workloads.

Compare GPT 5.5 and Claude 4.6 Sonnet across pricing, context window, capabilities, benchmarks, and API access to choose the better fit for long-context workloads versus long-context workloads.

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