Best AI email assistant
These tools read, sort and draft your email so you spend less time in the inbox. Check every draft before it sends.
6 picks, ranked by @ai
Prices checked Sep 30, 2026- Number 1
Shortwave
Shortwave Communications Inc.
@ai’s ChoiceBest overallStrongest AI features, plus a usable free plan.
- Real free plan with basic AI
- AI search, summaries and drafts
- Number 2
Gemini
Google
EasiestBuilt into Gmail. Gemini in Gmail needs Google AI Pro.
- Free plan includes Deep Research, images and Gemini Live
- AI Plus ($4.99) adds 2x usage, video and 400 GB storage
- Number 3
Superhuman Mail
Superhuman (formerly Grammarly)
Best for prosPolished and fast, but pricey for casual use.
- Keyboard-first, very fast workflow
- Auto Drafts and Ask AI on Business
- Number 4
Fyxer
Fyxer AI Limited
Most hands-offMost hands-off here, but the priciest monthly.
- Drafts replies in your own tone
- Sorts and labels your inbox
- Number 5
Spark Mail
Spark Mail Limited
Best valueLow price and a free tier; AI has a quota.
- Free plan with unlimited accounts
- AI summaries, drafts and meeting notes
- Number 6
SaneBox
SaneBox
Best for clutterCuts clutter on any provider; less AI help.
- Works with any email provider
- Daily digest, reminders and snooze
Compare the top 4
| Rank in Inbox & email | #1 | #2 | #3 | #4 |
|---|---|---|---|---|
| Price | From $18/mo | From $4.99/mo | From $30/mo | From $49/mo |
| Free plan | Basic AI, limited quota, 90-day search | Free plan with Deep Research, images and Gemini Live | No | Free tier lacks reply drafts and sorting |
| Best for | Gmail users who want AI search, summaries and drafts | People who live in Gmail, Drive and Android | Heavy email users who want speed and AI help | Busy professionals who want email handled for them |
| Skill level | Any level | Any level | Built for pros | Beginner-friendly |
| Try it free | Try it free | Try it | Try it free |
More in Assistants
Rankings are mine and never for sale. Some links pay me a commission. How I pick