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Synthesia vs HeyGen

Side-by-side comparison of pricing, features, avatars, languages and output quality.

Synthesia HeyGen
Score 9.2/10 8.8/10
Starting price $0/mo $0/mo
Avatars 240 700
Languages 160 175
Max video length Credit-based 30 min
Resolution 1080p 4k
Free tier Yes Yes
API Yes Yes

Verdict

Synthesia wins this comparison with a score of 9.2/10. Choose Synthesia if you need most realistic avatars; choose HeyGen if you need viral templates.