Prices in GBP. Verified monthly. Always check the provider's site for the latest.
Pros & cons
Claude
Pros
+Excellent at long-form writing and nuanced reasoning
+Strong privacy stance with no data training on free tier
+200K context window handles large documents
+GDPR compliant and SOC2 certified
Cons
−No image generation
−Smaller plugin ecosystem than ChatGPT
−Free tier has usage limits
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— Claude wins
Based on our comparison of published pricing, features, and compliance data, Claude scores 8.9/10 to HeyGen's 8.0/10. Claude pulls ahead with a no-training-on-your-data policy. HeyGen stays close but doesn't lead on any single attribute here. Claude is the call when a no-training-on-your-data policy matters — otherwise HeyGen.