Best AI Email Assistants for Gmail

The rise of AI email assistants has completely reshaped the way in which we manage our inboxes and approach our daily workflow, introducing efficiency and intelligent automation to email processes.

Over the past few years, this industry has been growing at a sound pace. In fact, the global AI email assistant market is projected to grow at a compound annual growth rate (CAGR) of 9.8%, reaching a valuation of approximately USD 1,090.1 million by 2027, up from USD 823,5 million in 2024.

AI email assistants not only simplify your daily tasks but also offer insights, analytics, and features you may not have even realized you needed. They also help you automate repetitive and dull tasks like sorting your inbox, replying to emails, and summarizing email threads. That’s why we have compiled some of the most valuable options available in the market to make your inbox a happy place. 

Best AI Email Assistants Every Gmail User Should Try 

We all know managing your inbox can be a bit overwhelming. If you’re a Gmail user looking to boost productivity, save time, and stay organized, the right AI email assistant can make all the difference. Here’s a look at the best options to transform your daily email experience.

Gmelius

Gmelius is an AI-powered email assistant that transforms Gmail into a collaborative workspace for teams. Its seamless integration with Gmail makes the user experience very intuitive and user-friendly. 

Gmelius offers:

• Automation: This tool allows you to create rules to automate your different email operations, such as auto-replies, tagging and categorization of emails, SLA alerts and assignments of email conversations to the right teammates. Also, one of their next launches will feature a 24/7 AI agent that drafts replies to incoming emails, so once you log in you can find your responses ready to send.
  
  
• Email collaboration: Shared inboxes, shared email drafts, email delegation, and many other collaboration features make Gmelius one of the strongest options for team-based email management, improving communication and team productivity. Additionally, Gmelius offers powerful email analytics, AI tagging, and email mining features, enabling teams to gain insights into email performance and identify key patterns within email threads for more effective decision-making.
  
  
• Email management: Gmelius offers Kanban boards which organize the workflow and the teamwork visually. It also provides a tab for analytics and reports which stimulates data driven decision making.
  
  

Pricing: From $10 per user/month if billed annually. 

Gemini

Gemini is an AI-driven assistant launched by Google that is integrated directly into Google Workspace, including Gmail. It leverages the power of AI to help users draft emails, summarize threads, suggest responses, and create personalized high-quality content. 

Gemini’s features include:

• Increased productivity: Gemini’s ability to generate email drafts from user prompts speeds up the message creation process, allowing users to quickly compose responses and focus on more strategic tasks.
  
  
• Email management: With the summarization tool, Gemini condenses lengthy email threads into clear, concise summaries, helping users quickly grasp key information and manage their inboxes more efficiently. When you open an email, you can quickly summarize its content and request a draft of a reply from the side panel or directly within the email.
  
  
• Integration: Gemini’s integration with Google Workspace apps like Calendar and Drive ensures a smooth, cohesive workflow, enabling users to easily sync their tasks, schedules, and documents without switching between platforms.

Pricing: Free version, and advanced plan from $19,99 per user/month.

SaneBox

Sanebox is an email management tool that helps you organize your inbox using AI and ML. It automatically sorts out your emails, filtering the important messages and prioritizing them. It shares some similarities with Gmelius, but this tool only offers email management. 

Key features offered by Sanebox:

• Do not disturb: SaneBox is designed to boost productivity and minimize distractions. The Do Not Disturb feature automatically redirects incoming emails to a separate folder, allowing you to focus without interruptions during your chosen time periods.
  
  
• Send later: Additionally, the Send Later feature lets you filter out less important emails into a separate folder, keeping your main inbox organized.
  
  
• Customizable filters: Allows users to set up personalized sorting rules that align with their unique workflow, helping to automatically organize and prioritize emails based on specific criteria.

Pricing: From $7 if paid monthly, for one account and limited features (Appetizer plan offers from $0.07/day or $24/year for only 1 feature)

The global AI email assistant market is expected to grow at a 9.8% CAGR, reaching USD 1,090.1 million by 2027, up from USD 823.5 million in 2024.

Grammarly

Grammarly is an AI-powered assistant and grammar check that helps you write ideas, emails, blogposts, reports, and more, in different formats and tones. It offers a cross-platform functionality that ensures a high quality across all channels of communication.

Features of Grammarly:

• Suggestions: Grammarly is not only about assisting your writing, it also gives you suggestions for improving your skills, which come with the proper explanations. This creates a learning curve that makes continuous improvement feel natural and intuitive, helping you become a stronger, more confident writer over time.
  
  
• Performance stats: It helps you track your writing performance and improvement over time with detailed reports that highlight your strengths and areas for improvement.
  
  
• On-brand writing: By getting the paid version, you can customize Grammarly's AI to match your brand's tone, allowing anyone on your team to create high-quality, on-brand content whenever needed. However, when using the free version, you need to remain mindful that some suggestions might not align with specific industry terminology, so you always need to double-check for accuracy.

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Pricing: Free (basic suggestions and spelling checks), and paid, from $12 per user/month if billed annually. 

Gmail PT

Gmail PT is an AI-powered assistant that uses models like ChatGPT and Gemini Pro for boosting email productivity and web browsing experience. It is available in nearly 40 languages, and it integrates seamlessly with other tools.

Some of the features of Gmail PT include:

Inbox management: It offers tools for organizing your inbox, sorting messages by importance, and helping you prioritize and respond to critical emails without hassle.

Smart search: GmailPT offers an advanced search function that helps you quickly find specific emails, attachments, or conversations by understanding user intent. This makes it easier to locate important information without having to sort through a cluttered inbox.

Personalized email suggestions: Using AI, GmailPT analyzes your writing style and tone to offer personalized suggestions, helping you craft more relevant emails. It can even suggest quick responses based on previous interactions, saving you time on repetitive replies.

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Pricing: Free with daily limits, and paid, from $5,99 per user/month.

Compose AI

Similar to Grammarly, Compose AI is a Chrome plugin that assists you in different formats of writing. It also suggests autocompletion as you type. 

Compose AI offers: 

• Email reply: It helps you write full email messages by only providing a few words. It generates professional replies referencing the text from the original email, which helps users save valuable time.
  
  
• Time-saving features: Compose AI also integrates with various platforms (like Google Docs and Gmail) to streamline your writing process. It offers auto-completion of phrases, text expansion, and other shortcuts to help users draft content faster and with fewer errors.
  
  
• Follow-up reminders and scheduling: This tool tracks unanswered emails and automatically suggests follow-up actions, while integrating with your calendar to schedule meetings directly from email content.

However, take into account that an over-reliance on automation may lead to the inclusion of irrelevant suggestions that don't align with the intended message.

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Pricing: Free version (1,500 words limit) and paid plan from $9,99 per user/month if billed yearly.

5 Key Features to Look for in an AI Email Assistant

Before choosing your AI email assistant, you need to bear in mind the features that you absolutely need.

1. User-friendly interface

An AI email assistant should always have an intuitive interface making it easy for users to interact with, especially if they’re not tech-savvy. A simple and approachable interface encourages wider adoption and ensures that the assistant is accessible to all users.

2. Integration with other tools & platforms

The AI email assistant should be able to integrate seamlessly with other tools you use—calendars, project management tools, or even third-party apps like social media. Integration not only helps streamline workflows and makes their use easier, but it also allows the assistant to learn from other data sources, offering more contextualized answers and taking more relevant actions based on a broader set of information.

3. Security & privacy

The assistant needs to follow a clear privacy policy that explains how users' data is used and protected. Additionally, it should comply with industry standards such as SOC2, SOC3, and ISO 27001 to maintain a high level of security. Always choose a tool that ensures sensitive information is shielded from breaches and unauthorized access, keeping your email communications private and secure.

4. Smart email management (categorization, prioritization, & filtering)

In order to keep your inbox organized and uncluttered, smart email management is one of the most important features of an AI email assistant. 

Sorting automatically incoming emails into categories (e.g., important, work, spam) and prioritizing them based on relevance or urgency will help you ensure critical emails aren’t missed. AI assistants should also be able to filter and tag emails based on keyword, recipient, or context. This also helps the AI assistant gain a better understanding of the user’s email flow, enabling it to generate more accurate replies or take relevant actions based on this enhanced model.

5. Automated drafting, reply suggestions & follow-ups

The AI email generation feature will help you save valuable time and ensure that no important conversations are left unattended. AI assistants provide draft email responses that are usually based on the context of the message, while also automatically prioritizing and responding to emails and improving overall efficiency.

In Conclusion

Integrating AI email assistant features into your daily workflow can significantly boost your communication efficiency and precision, saving you valuable time. From organizing emails to automating drafts, AI email assistants help keep your most important work asset—your inbox—neat and structured.

As the future of AI keeps growing, adopting AI-powered tools is no longer an option, it’s essential for maintaining a competitive edge in the current business world.

Ready to boost your productivity? Sign up for Gmelius today and transform the way you see communication.