Best AI Email Writing Tools in 2026: Write Better Emails Faster

Byaitoolvs

TL;DR: The best AI email tools are ChatGPT (versatile), Grammarly (tone & grammar), Superhuman (speed), Flowrite (templates), and Lavender (sales emails). Most integrate directly with Gmail or Outlook.

Top AI Email Writing Tools

1. ChatGPT — Most Versatile

ChatGPT can write any type of email, from professional business correspondence to creative marketing campaigns. Use it to draft, edit, and refine emails with specific tone requirements.

  • Price: Free / $20/mo Plus
  • Best for: Any email type, especially complex or sensitive messages
  • Integration: Copy-paste or use browser extensions

2. Grammarly — Best for Professional Quality

Grammarly integrates directly into your email client and provides real-time suggestions for grammar, tone, and clarity. The tone detector ensures your emails convey the right message.

  • Price: Free / $12/mo Premium
  • Best for: Grammar, tone adjustment, professionalism
  • Integration: Gmail, Outlook, Apple Mail

3. Superhuman — Fastest Email Experience

Superhuman uses AI to prioritize your inbox, draft replies, and automate follow-ups. It claims to save users 4+ hours per week on email management.

  • Price: $30/mo
  • Best for: High-volume email users, executives
  • Integration: Gmail, Outlook

4. Flowrite — Best for Templates

Flowrite turns brief instructions into ready-to-send emails. Just type a few bullet points describing what you want to say, and it generates a polished, professional email.

  • Price: $5/mo
  • Best for: Routine emails, quick responses
  • Integration: Gmail, Outlook, LinkedIn

5. Lavender — Best for Sales Emails

Lavender is specifically designed for sales professionals. It scores your emails for reply likelihood and suggests improvements to increase response rates.

  • Price: Free / $29/mo Pro
  • Best for: Sales outreach, cold emails
  • Integration: Gmail, Outlook, Salesloft, Outreach

Email Writing Tips with AI

  • Always specify the tone you want (formal, friendly, persuasive)
  • Provide context about the recipient and relationship
  • Review AI suggestions — they sometimes miss nuance
  • Use AI for first drafts, then personalize with your voice
  • Set up templates for repetitive email types

FAQ

Can AI write professional emails?

Yes, AI tools can write highly professional emails. ChatGPT and Grammarly both excel at adjusting tone and formality. However, always review before sending to ensure accuracy and personal touch.

Is it OK to use AI for work emails?

Absolutely. Using AI for email writing is widely accepted in business. It helps you communicate more clearly, respond faster, and maintain consistency in your professional communications.

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