Key takeaways
- Context decides quality: the thread, the recipient and your brand voice.
- A draft that lands in your mailbox saves a copy and paste step every time.
- Cold emails need research about the prospect; replies need the thread.
- Keep a person reading the claim and the ask before anything is sent.
What makes an AI sales email writer good
A good AI sales email writer knows enough about the conversation, the recipient and your company to write something you would send with light edits. Writing fluency is common now; the difference between tools is what they can see and where their output goes.
- Context: does it read the thread, the recipient's details and your brand voice?
- Where the draft lands: in your mailbox, inside a CRM, or in a chat window you copy from.
- Review: can you refine the draft and approve it before it is sent?
- Voice: can you save how your team writes, so every draft starts from it?
How do the main AI email writing tools for sales differ
AI email writing tools for sales differ mostly in where they sit: inside the inbox, inside the CRM, beside you as a coach, or in a general chat. The notes below come from each product's own public pages.
- Lavender: an Email Coach that helps sellers improve the emails they write, plus an AI sales agent called Ora.
- Superhuman: an email client for Gmail or Outlook with Auto Drafts, Auto Reminders and Split Inbox; its Business plan lists viewing and updating HubSpot, Salesforce and Pipedrive records.
- Pipedrive: an AI email writer and an AI sales assistant inside a pipeline-focused sales CRM.
- Lindy: an AI agent that drafts, schedules and replies to email inside your inbox.
- ChatGPT: a general assistant that writes in chat and works with connected services through apps built on MCP.
- Claude: a general assistant with projects and connectors to apps such as Gmail.
Is an AI cold email writer different from a reply writer
An AI cold email writer and a reply writer need different inputs, so one tool is rarely strongest at both. A reply has the thread to work from; a cold email has only what the writer knows about the prospect, their company and why your offer matters to them.
Picture an illustrative founder selling scheduling software to dental groups. For replies, a writer that reads the thread and keeps her tone is enough. For a first email to a clinic director, the writer needs research on that group and her positioning, or it will produce a polite message that could be about anyone.
How does Write with AI work in Pebbles Ai Smartbox
Write with AI in Smartbox drafts a message inside your Gmail or Outlook inbox from the thread, the recipients and your brand voice, and you refine it before sending. You choose Fast, Balanced (the default) or Comprehensive mode, pick a personality for the writing voice and use quick replies.
For cold outreach, the assistants write a new outbound message, a reply or a follow-up in chat from your Company Intel, and generated emails are saved as drafts in your connected mailbox. Sending is the approval action in Gmail and Outlook and follows the execution mode; in Manual, the mode the web app starts in, nothing is sent until you approve it.
Should you use an AI email generator for sales or write by hand
Use an AI email generator for sales to get to a solid first draft quickly, and keep the parts that carry risk in your own hands: the claim about the prospect, the ask and the tone. AI is fastest at structure and research; people are better at judging what a specific buyer will find credible.
A workable habit is to let AI draft, then read every email aloud once before sending. If a sentence would sound odd said to the prospect in person, rewrite it.
AI email writers at a glance
The category each product falls into and whether it lists a free plan on its own site.
| Category | Free plan | |
|---|---|---|
| Lavender | Email coaching | See their site |
| Superhuman | AI email client | See their site |
| Pipedrive | Pipeline-focused sales CRM | No |
| Lindy | AI agent for work tasks | Yes |
| ChatGPT | General AI assistant | Yes |
| Claude | General AI assistant | Yes |
| Pebbles Ai | Smartbox inbox and assistants that draft from your company context | No; Pro and Team start with a 1-month free trial |
From each product's own public pages, checked 2 November 2026. Plans change, so confirm on each vendor's site.
The products compared
Lavender
Email coaching
An email intelligence company offering an email coach that helps sellers write better sales emails, plus an AI sales agent, with a free start.
Best for: Sellers who want real-time coaching on the emails they write.
Pricing model: Email Coach: a free Basic tier, then Starter, Individual Pro and Team, billed monthly or yearly, with Team priced per seat. Source: Lavender pricing
Superhuman
AI email client
An email client that works inside Gmail or Outlook, with AI drafting, follow-up reminders and Split Inbox, sold in a suite with Grammarly, Docs and Go; Mail starts on the Business plan.
Best for: Professionals who spend much of the day in Gmail or Outlook and want a dedicated client with AI drafting and reminders.
Pricing model: Free, Pro, Business and Enterprise; Pro and Business per member, Enterprise custom; Mail starts on Business. Source: Superhuman pricing
Pipedrive
Pipeline-focused sales CRM
A sales CRM built around visual pipelines, with an AI sales assistant and email writer, automations, forecasting reports and add-ons for lead generation and campaigns.
Best for: Small companies and growing sales teams that track deals on a kanban board and want AI help and task automation without a long set-up.
Pricing model: Plans and prices are on their own pricing page. Source: Pipedrive pricing
Lindy
AI agent for work tasks
An AI agent product that Lindy calls an AI employee: it plugs into your tools, manages inbox and calendar, takes meeting notes and runs lead generation and outreach tasks on credits.
Best for: Individuals and teams who want an AI agent to handle email, scheduling, meeting notes and repetitive tasks across many connected apps.
Pricing model: Free, Team and Enterprise, priced in credits that measure the work done; Free is $50 of credits that last 7 days; Team credits are pooled across the team each month; Enterprise has custom credits and billing. Source: Lindy pricing
ChatGPT
General AI assistant
OpenAI's general AI assistant for writing, research and analysis, with projects, memory and apps that connect to outside services, sold from a free tier up to business and enterprise workspaces.
Best for: People and teams who want one general-purpose assistant for many kinds of work, from drafting to analysis, and are happy to supply their own company context and connect their own tools.
Pricing model: Free, Go, Plus and Pro for individuals; Business and Enterprise and Edu for organisations. Source: ChatGPT pricing
Claude
General AI assistant
Anthropic's general AI assistant for writing, research, analysis and coding, with projects, memory across conversations and connectors to apps such as Gmail and Slack, from a free plan to enterprise.
Best for: People and teams who want a general-purpose assistant for writing, analysis and coding, and who will bring their own company context and connect their own apps.
Pricing model: Free, Pro, Max and Ultra for individuals; Team and Enterprise for organisations, with Enterprise self-serve or sales-assisted. Source: Claude pricing
We make Pebbles Ai. Facts about other products come from their own public pages, checked on .
Where Pebbles Ai fits
- CapabilitySmartboxWrite with AI drafts in your Gmail or Outlook inbox from the thread, the recipients and your brand voice, in Fast, Balanced or Comprehensive mode, with a personality picker.
- FoundationCompany IntelCompany Intel holds your business knowledge and brand voice, so drafts start from your positioning rather than a blank prompt.
- CapabilityOutreach contentThe assistants write new outbound messages, replies and follow-ups in chat, and generated emails are saved as drafts in your connected mailbox.
Common questions
Can ChatGPT write sales emails?
Yes, if you give it the context each time: who the prospect is, what you sell and how you write. Where the draft ends up depends on the apps you connect.
Does an AI email writer send emails for you?
Some agents send on their own, while many writers only draft. In Pebbles Ai, sending from Gmail or Outlook follows the execution mode, and in Manual it waits for your approval.
Which AI email writers work in Outlook?
Superhuman lists Gmail and Outlook, and Pebbles Ai Smartbox works with both at parity, with more than one inbox per provider.
How do you keep AI-written emails in your brand voice?
Give the writer your voice once rather than in every prompt. In Pebbles Ai, Company Intel holds your brand voice, and you pick a personality for each draft.
About this page. Written by the Pebbles Ai team for people who run sales, marketing and growth. Last updated .
