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The best AI tools for writing marketing emails

The best AI tools for writing marketing emails

Okay, let’s break down some of the top AI tools that can significantly help with writing marketing emails as of early 2025. The “best” tool often depends on your specific needs, budget, and existing marketing stack, but here are some highly-regarded options known for their email writing capabilities:

Top Contenders & Their Strengths:

  1. Jasper (formerly Jarvis):
    • Strengths: Highly versatile and powerful AI writer with numerous templates, including many specifically for emails (subject lines, email body, cold outreach, newsletters, promotional emails, etc.). Known for producing high-quality, human-like copy and allowing fine-tuning of tone and style.1 Good for generating multiple variations quickly.2
    • Best For: Marketers needing a robust, all-around AI writing assistant that excels at various types of email copy and other marketing content.3
  2. Copy.ai:
    • Strengths: User-friendly interface with a strong focus on marketing and sales copy.4 Offers specific tools for generating email subject lines, welcome emails, promotional copy, and more.5 Good at generating creative angles and variations.6 Often praised for its ease of use, especially for short-form content.
    • Best For: Teams looking for a straightforward tool to quickly generate creative email ideas, subject lines, and shorter email copy.
  3. Writesonic:
    • Strengths: Positions itself strongly for marketing copy creation.7 Provides templates for various email types (general emails, cold emails, follow-ups, subject lines).8 Often includes features tailored to conversion optimization.9 Balances quality with a range of features.
    • Best For: Marketers looking for an AI writer specifically geared towards creating conversion-focused email copy and other marketing materials.
  4. Rytr:
    • Strengths: Often considered a more budget-friendly option. While perhaps less feature-rich than Jasper or Copy.ai, it still offers solid email writing capabilities, including templates for email generation and subject lines. Good for generating initial drafts or overcoming writer’s block.
    • Best For: Individuals or small teams on a tighter budget needing AI assistance for basic email drafting and idea generation.
  5. HubSpot AI Content Assistant:
    • Strengths: Integrated directly within the HubSpot Marketing Hub. Allows you to generate email subject lines, body copy, outlines, and rephrase text directly within the email editor. Leverages context from your HubSpot CRM.
    • Best For: Businesses already heavily invested in the HubSpot ecosystem who want seamless AI integration within their existing workflows.
  6. Mailchimp Email Content Generator:
    • Strengths: Built into the Mailchimp platform. Helps generate email outlines, subject lines, and body copy variations based on your marketing goals (e.g., make a sale, announce something). Uses context from your campaign objectives.
    • Best For: Mailchimp users who want convenient, integrated AI assistance for drafting campaigns within the platform.
  7. Ortto’s AI features:
    • Strengths: Ortto is a customer data and marketing automation platform with integrated AI.10 It can help write subject lines, preheaders, and entire email bodies based on prompts or objectives, directly within its campaign builder.
    • Best For: Marketers using Ortto for their automation and wanting AI writing capabilities tightly integrated with customer data and journey building.

Factors to Consider When Choosing:

  • Specific Needs: Do you need help primarily with subject lines, full email bodies, cold outreach, or newsletters? Some tools excel in specific areas.
  • Integration: Do you want a standalone tool, or one that integrates directly into your Email Service Provider (ESP) or CRM (like HubSpot or Mailchimp)?
  • Budget: Prices range from free tiers/trials to significant monthly subscriptions based on usage and features.
  • Ease of Use: How intuitive is the interface? How much of a learning curve is there?
  • Output Quality & Control: How human-like is the generated text? How much control do you have over tone, style, and length?
  • Volume: How many emails or variations do you need to generate regularly?

Important Note:

AI tools are powerful assistants, but they shouldn’t completely replace human oversight. Always review, edit, and refine AI-generated copy to ensure it aligns perfectly with your brand voice, specific campaign goals, and audience nuances. Human strategy and personalization remain crucial for effective email marketing.

It’s often a good idea to try out free trials or demos of a few tools that seem like a good fit before committing to one.

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A publication of the Marketing & Communications Team at CapStone BPO. We share compelling stories and informed opinions on Email Marketing, Data Annotation, AI, Digital Marketing, GEO, Data Mining, Data Analytics, and other tech innovations.


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