The 6 best AI email assistants in 2026

AI email assistants have evolved far beyond spam filters. In 2026, the best tools can draft responses, analyze documents, schedule meetings, and even make phone calls on your behalf. We tested the top options to help you choose.

1. GetBackToMe

Our pick

The only AI email assistant that works entirely through your existing inbox. Send an email describing any task — research, writing, analysis, scheduling — and receive completed work back in under 2 minutes. 12 specialized AI agents handle different types of work.

+ Zero setup, works with any email client, 12 specialized agents, under 2 min response

− Currently in early access (waitlist)

Price: €10–€25/mo

2. Superhuman

Best email client

A premium email client with AI-powered triage, auto-summaries, and keyboard-first design. Known for speed and a polished UX, Superhuman is popular among executives who want a faster email experience.

+ Fast UI, AI triage and summaries, great keyboard shortcuts

− Requires dedicated app, no task delegation, $30/mo

Price: $30/mo

3. Shortwave

Best free option

An AI-native email client built on Gmail. Offers smart search, AI summaries, and thread organization. The free tier is generous, making it accessible for individuals and small teams.

+ Free tier available, AI search, clean interface

− Gmail-only, requires app, limited delegation

Price: Free – $25/mo

4. SaneBox

Best for filtering

An AI-powered email filtering service that automatically sorts your inbox. SaneBox learns your priorities and moves unimportant emails out of sight without you lifting a finger.

+ Works with any email client, great filtering, affordable

− Filtering only — no writing, research, or task completion

Price: $7–$36/mo

5. Lindy

Most customizable

An AI automation platform that can handle multi-step workflows including email. Lindy lets you build custom AI agents for specific tasks, from email replies to CRM updates.

+ Highly customizable, multi-step automations, integrations

− Complex setup, steep learning curve, $49+/mo

Price: $49+/mo

6. Fyxer

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An AI email assistant that provides inbox summaries, draft replies, and email categorization. Works through a web dashboard where you review and approve AI-generated responses.

+ Good summaries, draft suggestions, reasonable pricing

− Requires web dashboard, no real-time delegation

Price: $10–$30/mo

Our verdict

If you want an AI that actually does the work — not just sorts or summarizes your email — GetBackToMe is the clear winner. It's the only tool that lets you delegate real tasks (research, writing, analysis, scheduling) entirely by email, with no app to install and no workflow to learn. For those who just want a faster inbox experience, Superhuman and Shortwave are excellent email clients. And if filtering is your main need, SaneBox is hard to beat at its price point.