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HeyGen
HeyGen is the avatar engine in this stack, and Avatar 5 is the reason this video even exists—it’s the first version that feels like it crossed the uncanny valley for me. I use it to generate realistic clips of my digital twin and then sync them to higher-quality audio from ElevenLabs.
Buy on Heygen
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Pros
- +Avatar 5 looks significantly more natural than older models
- +Fast avatar creation (can be trained from a short recording)
- +Works well for facecam-style inserts and course content
Cons
- -Avatar 5 generations are capped at 3 minutes
- -At the time of recording, Avatar 5 wasn’t available via API
- -Some artifacts can happen (eye darts, weird edge cases with hands/background)
