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