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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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Gemini
A
HeyGen
S
Udio
A
Flux (Black Forest Labs)
A
TaglineGoogle's answer. Best integrated with Workspace + free for a lot.AI avatar videos. Record once, speak any language.Suno's main rival. Often better on instrumental nuance.Open weights + strong photorealism. The open-source answer.
CategoryChatbotsVideoAudioImage
PricingFree + $20/mo Advanced (bundled with 2TB Drive)Free + $24-$65/moFree + $10-$30/moAPI + open weights (Schnell is Apache 2.0)
Best forAnyone already on Google, research tasks, summarizing long documents.Course creators, multilingual marketers, anyone scaling video content.Musicians comparing AI outputs. Anyone who didn't click with Suno.Developers + power users who want control and privacy.
Strengths
  • 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
  • Strong instrumentals + genre fidelity
  • Extend/remix features
  • Good lyric understanding
  • Runs locally on a beefy GPU
  • Very photoreal
  • Best open-weight model
Weaknesses
  • 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
  • Same copyright gray zone as Suno
  • Ecosystem smaller
  • Harder to use than hosted tools
  • Needs infra
Kai's verdictA-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.A-tier. Genuinely different vibe from Suno — worth trying both for a month.A-tier. S-tier if you self-host. The reason open-source image gen matters.
LinkOpen →Open →Open →Open →