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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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Manus
S
Sora
A
Cursor
S
Suno
S
TaglineAutonomous AI agent that actually finishes tasks.OpenAI's video model. Long clips, cinematic quality.VS Code fork that made AI coding actually work.Prompt to full song with vocals, instruments, the works.
CategoryAgentsVideoCodingAudio
PricingFree tier + $39-$199/moIncluded with ChatGPT Plus/ProFree + $20/mo Pro + $40/mo BusinessFree + $10/mo + $30/mo
Best forPeople who want to hand off tasks entirely — trip planning, research, spreadsheet building.ChatGPT subscribers experimenting with cinematic shots.Developers. Non-developers who want to ship working code.Jingles, intros, demos, sketches, personal use.
Strengths
  • General-purpose agent — research, book, build, analyze
  • Parallel task execution
  • Web browsing + file creation + coding
  • Up to 20-sec clips at 1080p
  • Strong physics + scene composition
  • Storyboard feature for longer narratives
  • Remix existing videos
  • Tab completion feels like mind-reading
  • Composer for multi-file edits
  • Runs Claude, GPT, Gemini — you pick
  • Real songs with real lyrics
  • v4 is very good
  • Quick turnaround
Weaknesses
  • Still hit-or-miss on complex multi-hour tasks
  • Can burn credits fast
  • Stricter content policy than competitors
  • Hit-or-miss on complex motion
  • Text-in-video still struggles
  • Can feel overwhelming for non-coders
  • Expensive at scale
  • Copyright gray zone
  • Audio quality behind studio
Kai's verdictS-tier in the agent category. The first one I'd give to a non-technical friend.A-tier. Amazing when it works, frustrating when it doesn't. Runway still more reliable for pros.S-tier for coding. If you write code of any kind, this pays back the $20 in a day.S-tier in its category. The first AI music tool I'd actually listen to.
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