Best AI Email Tools 2026
AI email tools are attacking the single biggest time sink for knowledge workers: the inbox. The best AI email assistants draft replies in your writing style, summarize long threads, prioritize important messages, and answer questions about your email history — transforming email from a chore into a streamlined workflow. Whether you want a premium AI-native email client or AI features added to your existing Gmail, there's an option that fits your workflow and budget.
Our Take on AI Email Tools
AI email tools are attacking the single biggest time sink for knowledge workers: the inbox. The best AI email assistants draft replies in your writing style, summarize long threads, prioritize important messages, and answer questions about your email history — transforming email from a chore into a streamlined workflow. Whether you want a premium AI-native email client or AI features added to your existing Gmail, there's an option that fits your workflow and budget.
Quick Comparison
| # | Tool | Rating | Best For | Price | Get Started |
|---|---|---|---|---|---|
| 1 |  Superhuman The fastest email experience with built-in AI |
4.4 ★ | Executives, founders, sales leaders, and professionals who spend 2+ hours daily on email | $30/mo | Try Superhuman → |
| 2 |  Shortwave AI-first email client that thinks for you |
4.3 ★ | Gmail power users, remote workers, and professionals who want AI to handle email triage, summarization, and drafting | $25/mo | Try Shortwave Free → |
| 3 |  Google Gemini in Gmail AI email drafting and summarization built into Gmail |
4.2 ★ | Gmail users who want AI assistance without switching email clients | Free | Try Gmail AI Free → |
In-Depth Reviews
The fastest email experience with built-in AI
✦ Best for: Executives, founders, sales leaders, and professionals who spend 2+ hours daily on emailSuperhuman is the premium AI email client built for speed and productivity. Its AI features draft replies in your writing style, auto-summarize long threads, and prioritize your inbox — letting power users process email twice as fast.
AI-first email client that thinks for you
✦ Best for: Gmail power users, remote workers, and professionals who want AI to handle email triage, summarization, and draftingShortwave is an AI-first email client that uses AI to organize, draft, search, and reason about your email. Its standout feature is the AI assistant that can answer questions about your email history, summarize threads, and draft contextual replies.
AI email drafting and summarization built into Gmail
✦ Best for: Gmail users who want AI assistance without switching email clientsGoogle Gemini in Gmail brings AI drafting, summarization, and assistance directly into the world's most-used email client. Help Me Write generates contextual drafts, while Gemini summarizes long threads and suggests replies — all without leaving Gmail.