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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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Leonardo.ai
A
Gemini
A
HeyGen
S
Elicit
S
TaglineGamer + creator image gen with model fine-tuning built in.Google's answer. Best integrated with Workspace + free for a lot.AI avatar videos. Record once, speak any language.AI research assistant for academic literature.
CategoryImageChatbotsVideoResearch
PricingFree + $12-$60/moFree + $20/mo Advanced (bundled with 2TB Drive)Free + $24-$65/moFree + $12-$42/mo
Best forIndie game devs, illustrators, anyone training custom style models.Anyone already on Google, research tasks, summarizing long documents.Course creators, multilingual marketers, anyone scaling video content.Grad students, researchers, anyone doing literature reviews.
Strengths
  • Train your own models on your style/character
  • Great for game art + concept art
  • Generous free tier
  • Native Google Workspace integration
  • Very long context (1M+)
  • Deep Research feature
  • Free tier is generous
  • Clone your face + voice in 2 minutes
  • Instant translation into 40+ languages with lip sync
  • Avatars look less uncanny than competitors
  • Searches 125M+ papers
  • Extracts + synthesizes findings across papers
  • Systematic review workflow
Weaknesses
  • General output behind Midjourney
  • Can be overwhelming
  • Writing quality trails Claude
  • Over-refusals on edge content
  • UI is cluttered
  • Pricey for serious volume
  • Long shots still feel off
  • Ethics — easy to misuse
  • Academic-only
  • Can hallucinate citations — verify everything
Kai's verdictA-tier for creators training custom looks. B-tier for general use.A-tier. The Deep Research feature is genuinely useful. Don't sleep on it if you're already paying Google.S-tier for multilingual video. If you sell courses or speak at events, this is a cheat code.S-tier for academic research. Nothing else comes close for systematic reviews.
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