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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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Dev Platform
Agents
Voice
Video
Audio
Research
Coding
Chatbots
Image
Meetings
Design
Productivity
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Data
Marketing
Education
ChatGPT Operator
B
Stable Audio
A
Leonardo.ai
A
Sora
A
TaglineOpenAI's browser agent. Clicks and types on websites for you.Stability AI's open audio model. Loops + SFX + background.Gamer + creator image gen with model fine-tuning built in.OpenAI's video model. Long clips, cinematic quality.
CategoryAgentsAudioImageVideo
PricingIncluded with ChatGPT Pro $200/moFree + $12/mo Pro + enterpriseFree + $12-$60/moIncluded with ChatGPT Plus/Pro
Best forPower users willing to pay $200/mo for a browser bot.Game developers, podcasters needing SFX, video creators needing background music.Indie game devs, illustrators, anyone training custom style models.ChatGPT subscribers experimenting with cinematic shots.
Strengths
  • Actually uses websites — fills forms, clicks, checks out
  • Built into ChatGPT
  • Good for repetitive web tasks
  • Open-weight model available
  • Great for loops + game audio + SFX
  • Commercial-use clarity
  • Train your own models on your style/character
  • Great for game art + concept art
  • Generous free tier
  • Up to 20-sec clips at 1080p
  • Strong physics + scene composition
  • Storyboard feature for longer narratives
  • Remix existing videos
Weaknesses
  • Slow vs doing it yourself
  • Breaks on complex auth flows
  • $200/mo gate
  • Not for full songs with vocals
  • Shorter generation limits
  • General output behind Midjourney
  • Can be overwhelming
  • Stricter content policy than competitors
  • Hit-or-miss on complex motion
  • Text-in-video still struggles
Kai's verdictB-tier. Still early. Manus is more flexible for less money.A-tier for its niche. Different use case than Suno — SFX and loops, not songs.A-tier for creators training custom looks. B-tier for general use.A-tier. Amazing when it works, frustrating when it doesn't. Runway still more reliable for pros.
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