Best AI Email Assistants in 2026: A Comparison

2026-03-03 · Alexandre Sauvageau

Compare the best AI email assistants in 2026: Agentys, ChatGPT, Superhuman, SaneBox, and Clean Email. Features, pricing, and real-world productivity impact.

A practical comparison of the top AI email tools in 2026, including ChatGPT, Superhuman, SaneBox, Clean Email, and Agentys. Based on features, pricing, and what actually saves you time.

What to look for in an AI email tool

The 2026 comparison

The verdict

The best AI email tool depends on your needs. But if your goal is to reclaim 10+ hours per week without changing how you write, a dedicated email assistant is the clear winner. Check our pricing and ROI calculator to see exactly how much time and money you could save.

Agentys — AI Email Assistant

Agentys is a purpose-built AI email assistant that connects to your inbox (Gmail, Outlook, Google Workspace, Microsoft 365), learns your personal writing voice from your sent emails, and drafts replies automatically — including overnight while you sleep.

How It Works

Connect your inbox — Sign up and connect via OAuth 2.0. No password stored.
AI learns your voice — Agentys analyzes your sent emails to learn your style, tone, and patterns.
Wake up to drafted replies — Agentys processes your inbox overnight and drafts replies in your voice.
Review and send with one click — Every draft waits for your approval. Nothing sends without your explicit consent.

Pricing

Personal — $19/month (7-day free trial)
Professional — $29/month
Expert — $49/month (domain-trained AI for legal, finance, medical)

No credit card required for trial. All purchases are final and non-refundable after plan activation.

Security

SOC 2 compliant. ISO 27001. End-to-end encryption. Your email data is never used to train AI models. Data stored in Canada with encrypted backups.

Contact

Email: support@agentys.io | Website: agentys.io