???? Best AI Email Writers
AI tools that write professional emails faster and better — for sales, business, and personal use
The average professional spends over 2 hours per day on email. AI email writers can dramatically reduce this time by drafting responses, creating follow-up sequences, and crafting sales emails that convert — all in seconds.
Top AI Email Writers Compared
| Tool | Best For | Free Plan | Starting Price | Rating |
|---|---|---|---|---|
| Superhuman AI | Power Users | ❌ No | $30/mo | ⭐⭐⭐⭐⭐ |
| Lavender | Sales Emails | ✅ Limited | $29/mo | ⭐⭐⭐⭐⭐ |
| Flowrite | General Email | ✅ Yes | $4/mo | ⭐⭐⭐⭐ |
| Gmail Gemini | Gmail Users | ✅ Yes | Free with Google | ⭐⭐⭐⭐ |
| Grammarly | Email Editing | ✅ Yes | $12/mo | ⭐⭐⭐⭐⭐ |
1. Lavender — Best for Sales Emails
Lavender is a sales email AI coach that analyzes your emails in real time and scores them based on what’s likely to get a reply. It integrates directly with Gmail and Outlook, providing suggestions to improve personalization, readability, and response rates.
- Real-time email scoring
- LinkedIn integration
- Proven to increase reply rates
- Focused on sales use case
- Requires Gmail or Outlook
2. Gmail Gemini — Best Free AI Email Tool
Google’s Gemini AI is now built directly into Gmail for free. It can summarize email threads, draft replies, and help compose new emails from scratch. For most Gmail users, this free built-in tool is an excellent starting point.
- Completely free
- Built into Gmail
- Thread summarization
- Gmail only
- Limited customization
Frequently Asked Questions
What is the best free AI email writer?
Gmail’s built-in Gemini AI is the best free option for Gmail users. Flowrite also offers a free plan. Grammarly’s free tier helps with editing and tone improvement.
Can AI email tools improve sales reply rates?
Yes — tools like Lavender that score and optimize cold emails have been shown to improve reply rates by 20-40% by helping salespeople write more personalized, readable outreach.
Is it safe to use AI for professional emails?
Yes, as long as you review and edit AI-generated emails before sending. Always verify facts, personalize the content, and ensure the tone matches your relationship with the recipient.