Choosing between Copy.ai and Grammarly for your agency? Both are popular choices. Copy.ai starts at Free / $49+/mo and is best known as GTM AI for content and sales workflows. Grammarly starts at Free / $12+/mo and is AI writing and grammar assistant for polished client work. Below is a side-by-side breakdown of features, pricing, pros, and cons to help you decide which fits your agency's workflow and budget in 2026.
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Copy.ai
GTM AI for content and sales workflows.
Free / $49+/mo
👍 Pros
- Strong free tier
- Workflow automations
- Good for sales + marketing copy
👎 Cons
- Output needs editing
- UI can feel busy
Gr
Grammarly
AI writing and grammar assistant for polished client work.
Free / $12+/mo
👍 Pros
- Team style guides
- Works everywhere you type
- Reliable quality control
👎 Cons
- Not a content generator first
- Business plan needed for teams