Loops is email marketing software designed for SaaS teams to send marketing, lifecycle, and transactional email from a single platform. It offers a visual email editor that ensures designs work across major email clients, a developer-friendly API and SDKs, and powerful lifecycle workflow automation. Loops integrates with popular tools like Stripe, Supabase, and Clerk, and provides features for segmentation, goal tracking, and experiments. It is free to start with no credit card required.
Best AI Email Assistant Tools (2026)
Compare AI email assistants that draft replies, write cold outreach, summarize threads, clean your inbox, and integrate with Gmail and Outlook.
Katalyst is an AI sales agent that automates Salesforce updates, summarizes meetings, emails, and calls, and surfaces critical signals to help enterprise sales reps close deals. It turns every interaction into next steps, builds account plans, drafts follow-ups, and provides deep search across tools, ensuring pipeline data is always current.
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What is an AI email assistant?
An AI email assistant is a tool that reads your inbox and helps you write, reply to, and manage email using a language model. It can draft messages in your voice, summarize long threads, suggest quick replies, and sort or prioritize what lands in your inbox. Most work inside Gmail or Outlook as an extension, sidebar, or connected app.
What AI email assistants do
- Draft full replies from a short prompt or thread
- Summarize long email threads into key points
- One-click quick replies in your writing tone
- Write cold outreach and follow-up sequences
- Sort, label, and prioritize the inbox automatically
- Work inside Gmail, Outlook, or as an add-on
Who uses AI email assistants
01
Busy professionals
Clear a crowded inbox faster by drafting replies and summarizing threads before you read them.
02
Sales and outreach teams
Write personalized cold emails and follow-up sequences that adapt to each prospect at scale.
03
Customer support
Draft consistent, on-brand responses to common tickets and questions with a human final review.
04
Non-native English writers
Compose clear, correctly toned business email and fix grammar without switching tools.
How AI email assistants work
The assistant connects to your mailbox and feeds the thread, your instruction, and often past emails into a large language model. The model generates a draft in the requested tone, which you review and edit before sending. Tools that manage your inbox add classification and rules on top, tagging and sorting messages as they arrive.