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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
HeyGen
S
DALL-E 3
B
Flux (Black Forest Labs)
A
TaglineGamer + creator image gen with model fine-tuning built in.AI avatar videos. Record once, speak any language.OpenAI's image model. Built into ChatGPT Plus.Open weights + strong photorealism. The open-source answer.
CategoryImageVideoImageImage
PricingFree + $12-$60/moFree + $24-$65/moIncluded with ChatGPT Plus $20/moAPI + open weights (Schnell is Apache 2.0)
Best forIndie game devs, illustrators, anyone training custom style models.Course creators, multilingual marketers, anyone scaling video content.ChatGPT Plus users who want images without paying extra.Developers + power users who want control and privacy.
Strengths
  • Train your own models on your style/character
  • Great for game art + concept art
  • Generous free tier
  • Clone your face + voice in 2 minutes
  • Instant translation into 40+ languages with lip sync
  • Avatars look less uncanny than competitors
  • Excellent prompt understanding
  • Built into ChatGPT — no extra subscription
  • Good at composition + concepts
  • Runs locally on a beefy GPU
  • Very photoreal
  • Best open-weight model
Weaknesses
  • General output behind Midjourney
  • Can be overwhelming
  • Pricey for serious volume
  • Long shots still feel off
  • Ethics — easy to misuse
  • Aesthetic ceiling below Midjourney + Ideogram
  • Text rendering worse than Ideogram
  • No fine control
  • Harder to use than hosted tools
  • Needs infra
Kai's verdictA-tier for creators training custom looks. B-tier for general use.S-tier for multilingual video. If you sell courses or speak at events, this is a cheat code.B-tier standalone, A-tier value if you already pay ChatGPT. Don't pay for it separately.A-tier. S-tier if you self-host. The reason open-source image gen matters.
LinkOpen →Open →Open →Open →