The Best AI Email Assistant in 2025: 9 Options to Consider

11 typical functions AI email assistants can execute:

1. They can generate complete email drafts based on simple prompts.
2. They offer real-time writing suggestions and completions.
3. Assistants can maintain a consistent tone and style across communications.
4. They can adapt to individual writing patterns over time.
5. AI assistants can automatically categorize and prioritize emails.
6. They identify important messages requiring immediate attention.
7. AI can bundle related conversations for easier tracking.
8. An assistant can suggest optimal times to read and respond to emails.
9. AI can create and manage email rules based on user behavior.
10. They can automate repetitive email tasks.
11. AI can generate follow-up reminders.

Let’s analyze how AI can elevate your email marketing efforts:

1. Email copywriting: Generate AI-powered copy such as compelling subject lines, email bodies, and email CTAs (calls-to-action).
2. Email personalization: Use AI to analyze customer data and create highly personalized email content, increasing engagement and conversion rates.
3. Dynamic email content: Automatically adapt email content based on recipient behavior, preferences, and purchase history, delivering a more relevant experience.
4. Email design: Create visually appealing email templates with AI-generated layouts and design elements.
5. Email A/B testing: Leverage AI to automate split testing of email subject lines, content, and design elements to identify the most effective strategies.
6. Scheduling: Use AI to determine the best time to send emails for maximum engagement.
7. Email workflows: Set up welcome sequences, abandoned cart reminders, and post-purchase follow-ups, to nurture leads and drive sales.
8. Trigger emails: Send timely, personalized emails triggered by specific events, such as birthdays, anniversaries, or product purchases.
9. Email campaign metrics: AI can identify patterns in metrics such as open rates, click-through rates, and conversion rates.
10. Email performance: Use AI to forecast future email marketing trends and identify opportunities for improvement.

If you want an AI assistant to help you level up your email game, consider one of the 9 below:

1. Google Gemini,
2. Microsoft Copilot,
3. Shortwave,
4. Missive,
5. Friday AI Email Assistant,
6. AI Mail Assistant from Klart AI,
7. MailMaestro Flowrite,
8. Proton Scribe,
9. Superhuman.

Features

1. Smart Compose: Gemini can offer writing suggestions that complete sentences based on context and personal writing style.
2. Email drafting: Users can generate complete email drafts based on simple prompts or previous conversations.
3. Summary generation: Concise summaries of long email threads are offered.
4. Priority Inbox Management: AI can identify and prioritize emails in Gmail’s Primary Inbox.
5. Meeting scheduling: Gemini analyzes email content to create calendar events.
6. Smart Reply: Users get contextually appropriate short responses for quick replies.
7. Language translation: Built-in translation capabilities help with multilingual communication.
8. Action Item Detection: Gemini identifies and highlights tasks and follow-ups within emails.
9. Custom email templates: The assistant can create and suggest personalized templates based on frequent email patterns.

Features

1. Contextual drafting: Copilot analyzes previous communications and calendar events to generate relevant, personalized email responses that match the user’s writing style.
2. Meeting insights: It automatically pulls relevant documents and previous discussions before meetings, creating comprehensive briefing notes.
3. Document Intelligence: The AI assistant scans attachments and summarizes key points.
4. Calendar management: AI understands scheduling patterns and suggests optimal meeting times based on participants’ preferences.
5. Priority Inbox: The tool learns from your behavior to identify and highlight crucial emails while filtering less important ones.
6. Cross-lingual abilities: Copilot provides real-time translation and cultural context suggestions for international correspondence.
7. Collaboration: The AI assistant integrates with Teams to provide context from chat discussions when composing emails.

Features

1. AI-powered bundling: Shortwave groups related emails using advanced algorithms that understand context beyond simple threading.
2. Intelligent notifications: The tool learns your response patterns to only alert you about truly important emails.
3. Thread summarization: Shortwave creates concise, actionable summaries of long email threads.
4. Priority detection: The assistant uses machine learning to understand your work patterns and automatically identifies high-priority conversations.
5. Collaboration: Coworkers can work on shared inboxes with AI-powered task distribution and workflow management.
6. Semantic Search: Shortwave goes beyond keyword matching to understand the meaning behind your searches.
7. Custom workflows: Automated processes are created based on email patterns, reducing repetitive tasks.
8. Mobile apps: Users get a specially designed mobile UI that maintains full functionality.

Features

1. Team Inboxes: Multiple team members can write and edit emails simultaneously with AI-powered suggestions for consistent voice.
2. AI Memory: Missive uses ChatGPT and maintains a comprehensive context of all team interactions with contacts, informing future communications.
3. Comment analysis: Missive’s AI assistant employs natural language processing to organize and prioritize internal discussions about emails.
4. Chat-email integration: The tool seamlessly bridges the gap between internal chat and external email communication with context awareness.
5. Assignment logic: The AI assistant automatically assigns incoming emails to the most appropriate team member based on historical patterns.
6. Response library: Missive maintains a smart database of previous responses that evolves based on team usage and success rates.

Features

1. Email writing: Friday generates email drafts based on prompts and context.
2. Tone and style adjustments: It helps you adjust the tone and style of your emails to fit the specific audience.
3. Grammar and spelling checks: Friday proofreads your emails for errors.
4. Content generation: This AI tool can create content for various formats, such as blog posts, social media posts, and reports.
5. Brainstorming: Friday can provide creative ideas and suggestions.
6. Summarization: Long text can be condensed into concise summaries.
7. Language translation: This AI assistant translates text between multiple languages.
8. Style guide adherence: Friday helps format writing according to specific style guides.

Additional functionalities include the detection of sensitive topics, such as:

• Sarcasm,
• Harassment,
• Discriminatory language.

Features

1. Smart responses: AI Mail Assistant generates professional and accurate email responses, helping users draft replies quickly and effectively​.
2. Translation: The tool supports translations into 13 languages, allowing seamless communication across language barriers​.
3. Email summary: AI Mail Assistant summarizes lengthy email threads, saving time by condensing essential information into concise points.
4. Tone and grammar enhancement: Users get suggestions to improve grammar, clarity, and tone.
5. Comprehensive Text Analysis & Detection: The Mail Assistant identifies and flags sensitive content to encourage respectful communication​.
6. Real-time support in Gmail: Integrated directly within Gmail, it allows users to leverage AI assistance without leaving their inbox​.
7. Content scoring: The assistant offers detailed text analysis for clarity, engagement, and accuracy, ideal for workplace communication​.

Features

1. Email drafting: Flowrite generates personalized responses to emails and messages based on user input.
2. Seamless Integration: The assistant integrates with various email and messaging platforms, eliminating the need to switch between apps.
3. Personalized reply suggestions: Flowrite provides multiple reply options per message for tailored responses.
4. Customizable templates: Users get access to templates for common scenarios, such as customer inquiries or team updates.
5. Role and preference-based assistance: Users can set preferences for personalized assistance that aligns with their communication style.

Features

1. Local AI processing: The AI assistant runs all operations directly on the device, ensuring complete security and privacy of the email content.
2. Specialized architecture: Scribe utilizes encrypted AI models that process data without exposing content to any external servers.
3. Smart Compose: Users receive intelligent writing suggestions while maintaining end-to-end encryption.
4. Secure templates: Scribe creates and stores encrypted email templates that adapt to the user’s writing style.
5. Offline AI capabilities: Users can enjoy full AI assistance capabilities even without an internet connection.
6. Encryption support: Scribe offers multi-language support with locally stored, encrypted language models.
7. Privacy-first analysis: The AI tool analyzes email patterns for productivity insights while maintaining zero-knowledge principles.
8. Secure signatures: Proton Scribe generates and manages encrypted email signatures with built-in verification.
9. Threat detection: The tool uses AI to identify potential security risks in incoming emails without external processing.

Features

1. AI email drafting: The tool converts notes or ideas into polished emails that match the user’s tone, helping avoid writer’s block.
2. Auto summarize: It provides concise summaries above long email threads, reducing the need to read entire conversations to get the gist.
3. Instant Reply: Superhuman creates quick, contextually appropriate replies to emails, enhancing efficiency in routine responses.
4. Error correction and Autocomplete: Users get real-time spelling, grammar, and punctuation corrections to improve the accuracy and professionalism of drafts.
5. Ask AI: This feature provides answers to questions directly within the inbox, helping with research and response preparation.
6. Keyboard shortcuts: Enables users to navigate and manage their inbox rapidly with intuitive shortcuts, reducing the need for clicking.
7. Split Inbox: Organizes emails into categories like VIPs, tools, and teams to prioritize responses and minimize distractions.

We compiled a list of 7 popular articles from our blog that can be educational for you:

1. If I Forward an Email Can the Sender See It?
2. What Does “Re” Mean in Email?
3. What is the Outbox in Email?
4. When Did Email Become Popular?
5. Email Sign-Offs
6. 25+ Essential Email Abbreviations
7. What is My Email IP Address?