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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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DeepSeek
S
ChatGPT Operator
B
Kling
A
Stable Audio
A
TaglineChinese open-weight powerhouse. Crazy cheap, genuinely smart.OpenAI's browser agent. Clicks and types on websites for you.Kuaishou's video model. The surprise standout.Stability AI's open audio model. Loops + SFX + background.
CategoryChatbotsAgentsVideoAudio
PricingFree web + ultra-cheap API (~$0.14/M input tokens)Included with ChatGPT Pro $200/moCredit-based, free trialFree + $12/mo Pro + enterprise
Best forDevelopers + cost-conscious builders. Anyone fine with self-hosting.Power users willing to pay $200/mo for a browser bot.Anyone who wants top-tier video quality for less.Game developers, podcasters needing SFX, video creators needing background music.
Strengths
  • Open weights you can self-host
  • Strong reasoning + math
  • Near-free API pricing
  • DeepSeek-V3 / R1 are serious models
  • Actually uses websites — fills forms, clicks, checks out
  • Built into ChatGPT
  • Good for repetitive web tasks
  • Very strong motion + physics
  • Often beats Runway on realism
  • Great price
  • Open-weight model available
  • Great for loops + game audio + SFX
  • Commercial-use clarity
Weaknesses
  • Data goes to servers in China — privacy concerns for business use
  • Chinese policy filters
  • English polish trails Western models
  • Slow vs doing it yourself
  • Breaks on complex auth flows
  • $200/mo gate
  • UX is rough for English speakers
  • Queue times
  • Not for full songs with vocals
  • Shorter generation limits
Kai's verdictS-tier for price/performance. A-tier for consumer use. If you build apps, this is the budget pick.B-tier. Still early. Manus is more flexible for less money.A-tier. Rising fast. If you can tolerate the UX, quality per dollar is best-in-class.A-tier for its niche. Different use case than Suno — SFX and loops, not songs.
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