
The versatile AI assistant for writing, summarizing, and brainstorming.
Read the review →4 tools selected and reviewed
Between customers, vendors, and banks, an SME owner spends hours each week writing emails: follow-ups, sales replies, sensitive messages. These AI tools write a first draft in seconds from a simple note.
Our ranking, from most versatile to options built into your email client.

The versatile AI assistant for writing, summarizing, and brainstorming.
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Microsoft's AI, wired into Word, Excel, and Teams.
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Anthropic's AI assistant, excellent at writing and document analysis.
Read the review →| Tool | Best for | Price | FR | Level | Verdict | Rating | |
|---|---|---|---|---|---|---|---|
ChatGPT | The versatile AI assistant for writing, summarizing, and brainstorming. | Freemium | 🇫🇷 | Beginner | Excellent | ★ 4.8 | |
Microsoft Copilot | Microsoft's AI, wired into Word, Excel, and Teams. | Freemium | 🇫🇷 | Beginner | Good choice | ★ 4.2 | |
Claude | Anthropic's AI assistant, excellent at writing and document analysis. | Freemium | 🇫🇷 | Beginner | Excellent | ★ 4.8 | |
Google Gemini | Google's AI, integrated into Gmail, Docs, and Workspace. | Freemium | 🇫🇷 | Beginner | Very good | ★ 4.4 |
ChatGPT is most versatile for all email types from a simple note. Microsoft Copilot is ideal if you use Outlook, writing straight in your inbox. Claude excels at nuanced messages.
Yes: ChatGPT, Claude, and Google Gemini let you specify tone (formal, direct, sales) and regenerate the email without starting over.
We help you choose and set up the right tool for how you work.
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