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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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Flux (Black Forest Labs)
A
Sora
A
Udio
A
GitHub Copilot
B
TaglineOpen weights + strong photorealism. The open-source answer.OpenAI's video model. Long clips, cinematic quality.Suno's main rival. Often better on instrumental nuance.Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.
CategoryImageVideoAudioCoding
PricingAPI + open weights (Schnell is Apache 2.0)Included with ChatGPT Plus/ProFree + $10-$30/moFree (limited) + $10/mo Pro + $19/mo Business
Best forDevelopers + power users who want control and privacy.ChatGPT subscribers experimenting with cinematic shots.Musicians comparing AI outputs. Anyone who didn't click with Suno.Teams with GitHub already. Devs who don't want to change IDEs.
Strengths
  • Runs locally on a beefy GPU
  • Very photoreal
  • Best open-weight model
  • Up to 20-sec clips at 1080p
  • Strong physics + scene composition
  • Storyboard feature for longer narratives
  • Remix existing videos
  • Strong instrumentals + genre fidelity
  • Extend/remix features
  • Good lyric understanding
  • Great enterprise story
  • Works in your existing IDE
  • Chat + autocomplete
Weaknesses
  • Harder to use than hosted tools
  • Needs infra
  • Stricter content policy than competitors
  • Hit-or-miss on complex motion
  • Text-in-video still struggles
  • Same copyright gray zone as Suno
  • Ecosystem smaller
  • Less agentic than Cursor/Claude Code
  • Model quality varies
Kai's verdictA-tier. S-tier if you self-host. The reason open-source image gen matters.A-tier. Amazing when it works, frustrating when it doesn't. Runway still more reliable for pros.A-tier. Genuinely different vibe from Suno — worth trying both for a month.B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.
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