Prices in GBP. Verified monthly. Always check the provider's site for the latest.
Pros & cons
Copy.ai
Pros
+Good range of marketing templates
+Generous free tier
+Easy to use
+Strong for short-form copy like ads and social posts
Cons
−Output quality inconsistent on longer content
−Less powerful than general LLMs for complex writing
−Brand voice features limited on lower tiers
HeyGen
Pros
+SOC 2 Type II certified with a dedicated Data Protection Officer
+175 languages with AI lip-sync — broadest language support in category
+Free tier includes 3 videos and a custom digital twin
+API access from Creator tier for workflow automation
Cons
−Uses user content to train models by default — opt-out required
−Credit costs for Avatar IV/V are 20× higher than Avatar III
−Business tier at £117/mo is expensive for smaller teams
Our take— HeyGen wins
Based on our comparison of published pricing, features, and compliance data, HeyGen pulls ahead with a free tier. Copy.ai counters with a no-training-on-your-data policy. HeyGen scores 8.0/10 to Copy.ai's 7.6/10. Pick HeyGen if you need a free tier; pick Copy.ai if a no-training-on-your-data policy matters.