Best AI Tools for Writing Emails

ChatGPT can draft everything from cold outreach to polite follow-ups in seconds. Its ability to adjust tone from casual to formal makes it versatile for any email scenario.

Standout: You can paste an email thread and ask ChatGPT to draft a contextually appropriate reply.

Claude is particularly strong at writing tactful, nuanced emails where tone matters -- such as negotiations, complaints, or sensitive topics. It avoids generic phrasing and produces natural-sounding messages.

Standout: Exceptional ability to match subtle tonal requirements like diplomatic, empathetic, or assertive.

Grammarly catches errors and awkward phrasing directly inside your email client, making it the best real-time writing assistant. It works in Gmail, Outlook, and most web-based email platforms.

Standout: Browser extension provides inline suggestions as you type directly in Gmail or Outlook.

Jasper shines for marketing and sales emails, with templates optimized for open rates and conversions. It can generate multiple subject line variations and A/B test copy quickly.

Standout: Marketing email templates with built-in best practices for subject lines, CTAs, and personalization.

Copy.ai offers a fast workflow for generating multiple email variations at once, which is perfect for outreach campaigns. Its templates cover follow-ups, introductions, and thank-you emails.

Standout: Batch generation creates several email variants from a single brief so you can pick the best one.