Here are the best AI tools to help you deal with email faster.
Quick Comparison Tool Best For Free Plan Starting Price Superhuman Fast inbox management No (trial) $30/mo Gmail (Gemini) Built-in AI for Gmail users Yes $19.99/mo Microsoft Copilot (Outlook) Outlook users & Microsoft 365 No Included with Microsoft 365 Shortwave AI inbox summaries & scheduling Yes $8.99/mo Flowrite Quick email & message drafting Yes (trial) $15/mo
- Superhuman — Best for Fast Inbox Management
Superhuman is built for speed — keyboard shortcuts, AI-drafted replies, and a stripped-down interface designed to get you through your inbox as fast as possible.
Why professionals like it: Dramatically reduces time spent per email, popular among executives and founders.
Downside: No free plan, and the price point is aimed at professionals, not casual users.
- Gmail (Gemini) — Best for Gmail Users
Google has built Gemini directly into Gmail, letting you draft, summarize, and organize emails without leaving your inbox.
Why professionals like it: No extra app needed if you're already using Gmail, and it's tightly integrated with Google Calendar and Docs.
Downside: Some of the more advanced AI features require a Google One AI Premium subscription.
- Microsoft Copilot (Outlook) — Best for Outlook Users
Copilot inside Outlook can summarize long email threads, draft responses, and even suggest meeting times based on your calendar.
Why professionals like it: Seamless if your workplace already runs on Microsoft 365.
Downside: Not available as a standalone tool outside the Microsoft ecosystem.
- Shortwave — Best for AI Inbox Summaries
Shortwave bundles email with AI-generated daily summaries, helping you see what actually needs attention instead of scrolling through everything manually.
Why professionals like it: Great at cutting through inbox clutter and surfacing what matters.
Downside: Smaller platform with fewer integrations than Gmail or Outlook.
- Flowrite — Best for Quick Drafting
Flowrite focuses specifically on turning a few bullet points into a polished, ready-to-send email or message in seconds.
Why professionals like it: Fast for repetitive email types like follow-ups and quick replies.
Downside: Less useful for organizing or managing an already-overflowing inbox.
Final Verdict For speed-focused professionals: Superhuman For Gmail users: Gemini in Gmail For Outlook/Microsoft 365 users: Copilot For cutting through inbox clutter: Shortwave For fast email drafting: Flowrite
If your inbox is already built on Gmail or Outlook, start with the AI features already built into those tools before paying for a separate app. Superhuman becomes worth it once your inbox volume genuinely justifies the cost.
Frequently Asked Questions
Can AI write my emails for me completely? AI tools can draft strong first versions, but a quick personal review before sending is still recommended, especially for important or sensitive messages.
Is there a free AI email tool? Gmail's built-in AI features and Shortwave's free tier are both solid no-cost starting points.
Do AI email tools work with any email provider? Some, like Flowrite, work across providers, while others like Gemini and Copilot are tied specifically to Gmail or Outlook.
This roundup is based on hands-on testing and publicly available pricing as of August 2026. Tools and pricing may change over time.