Best AI email assistants in 2026
AI email assistants fall into two groups: ones that tidy and draft in your personal inbox, and ones that answer sales replies for you. Here are the best of each, with prices read on 11 November 2026.

Pick by whose emails you need answered.
- Revbound: answers cold email replies across sequencers and books meetings, from $49 a month.
- Fyxer: sorts your Gmail or Outlook inbox and drafts replies; Pro $37 per person a month billed yearly.
- Shortwave: an AI-first email client for Gmail; Business from $30 per seat a month.
- Instantly AI Reply Agent: answers replies inside Instantly at 5 credits per reply.
- Snov.io: AI-assisted campaigns plus a Unibox, from $39 a month.
AI email assistants at a glance
| Tool | Type | Price |
|---|---|---|
| Revbound | Sales reply agent | $49 / $99 / $149 a month |
| Fyxer | Personal inbox assistant | Free; Pro $37, Team $64 per person a month yearly ($49 and $99 monthly) |
| Shortwave | AI email client | Business $30, Premier $45, Max $120 per seat a month |
| Instantly AI Reply Agent | Sales reply agent (Instantly only) | 5 Instantly credits per reply |
| Snov.io | Outreach with AI | From $39 a month |
Prices from each vendor's site, read 11 November 2026.
1. Revbound: best for answering cold email replies and booking meetings
Price: $49 a month (Solo, 300 replies), $99 (Agency, 1,500) or $149 (Connector, 5,000); 3-day free trial
Revbound connects to Instantly, Smartlead, Email Bison, PlusVibe, SendKit and ArcSend. It labels each reply (Interested, Meeting Scheduled, Out Of Office and more), writes an answer that offers real free times from Cal.com or Google Calendar, and books the meeting. You can approve drafts or let it send; Agency and Connector auto-answer within 5 minutes.
- Good: Built for sales replies
- Good: Works across sequencers
- Good: Flat price, AI included
- Watch out: Not a personal inbox assistant
- Watch out: Email only, no CRM sync
Source: revbound.io/pricing
2. Fyxer: best for a tidier personal inbox
Price: Free; Pro $37 and Team $64 per person a month billed yearly; $49 and $99 billed monthly
Fyxer sorts incoming mail and drafts replies in your Gmail or Outlook. One seat covers both if you connect them.
- Good: Works in Gmail and Outlook
- Good: Free plan to try
- Watch out: Not built for cold email reply volume
Source: fyxer.com/pricing, read 11 November 2026.
3. Shortwave: best for an AI-first email client
Price: Business $30, Premier $45 and Max $120 per seat a month
Shortwave replaces the Gmail interface with AI search, summaries and drafting. Higher plans raise AI usage and search history.
- Good: Strong AI search
- Good: Team features
- Watch out: You switch email client
Source: shortwave.com/pricing, read 11 November 2026.
4. Instantly AI Reply Agent: best for Instantly-only teams
Price: 5 Instantly credits per reply, on a Credits plan from $47 a month
Instantly's agent answers interested prospects in under 5 minutes, with human approval or autopilot, and logs to your CRM.
- Good: Native to Instantly
- Good: CRM logging
- Watch out: Instantly campaigns only
- Watch out: Credits shared with lead data
Source: instantly.ai/ai-reply-agent, read 11 November 2026. See Revbound vs Instantly AI Reply Agent.
5. Snov.io: best for small teams wanting finder plus outreach
Price: Starter $39, Pro S $99 a month and up
Snov.io combines an email finder, campaigns and a Unibox with booking detection for Calendly.
- Good: All-in-one for small teams
- Watch out: Reply answering is still manual
Source: snov.io/pricing, read 11 November 2026.
Verdict
For your own inbox, Fyxer and Shortwave are strong choices. For sales teams and agencies answering cold email replies, we recommend Revbound: it answers across every sequencer you use and books meetings from your calendar for a flat monthly price. Try the free email response generator or read about the unified inbox.
AI email assistant questions
What is the best AI email assistant for sales?
For cold email replies, Revbound, because it works across Instantly, Smartlead, Email Bison and other sequencers and books meetings from Cal.com or Google Calendar.
Is there a free AI email assistant?
Fyxer lists a free plan, and Revbound has a 3-day free trial with every feature.
Can an AI email assistant send replies automatically?
Yes. Revbound and Instantly's AI Reply Agent can both send automatically or wait for approval.
How much do AI email assistants cost?
On 11 November 2026: Fyxer Pro $37 per person a month billed yearly, Shortwave Business $30 per seat, Revbound $49 a month.
All product names are trademarks of their owners. Revbound is not affiliated with them.
Let AI answer your sales replies
Connect your sequencer and a calendar. Revbound starts answering replies.