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Side-by-side: what they do, what they cost, what Kai actually thinks. Pass up to 4 tools via ?tools=claude,chatgpt,gemini.
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HeyGen
S
Sora
A
TaglineAI avatar videos. Record once, speak any language.OpenAI's video model. Long clips, cinematic quality.
CategoryVideoVideo
PricingFree + $24-$65/moIncluded with ChatGPT Plus/Pro
Best forCourse creators, multilingual marketers, anyone scaling video content.ChatGPT subscribers experimenting with cinematic shots.
Strengths
  • Clone your face + voice in 2 minutes
  • Instant translation into 40+ languages with lip sync
  • Avatars look less uncanny than competitors
  • Up to 20-sec clips at 1080p
  • Strong physics + scene composition
  • Storyboard feature for longer narratives
  • Remix existing videos
Weaknesses
  • Pricey for serious volume
  • Long shots still feel off
  • Ethics — easy to misuse
  • Stricter content policy than competitors
  • Hit-or-miss on complex motion
  • Text-in-video still struggles
Kai's verdictS-tier for multilingual video. If you sell courses or speak at events, this is a cheat code.A-tier. Amazing when it works, frustrating when it doesn't. Runway still more reliable for pros.
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