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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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Groq
S
ChatGPT Operator
B
Kling
A
Cursor
S
TaglineThe fastest AI inference in the world. Crazy low latency.OpenAI's browser agent. Clicks and types on websites for you.Kuaishou's video model. The surprise standout.VS Code fork that made AI coding actually work.
CategoryDev PlatformAgentsVideoCoding
PricingFree tier + pay-as-you-go APIIncluded with ChatGPT Pro $200/moCredit-based, free trialFree + $20/mo Pro + $40/mo Business
Best forDevelopers who need sub-100ms LLM responses.Power users willing to pay $200/mo for a browser bot.Anyone who wants top-tier video quality for less.Developers. Non-developers who want to ship working code.
Strengths
  • 500+ tokens/sec on Llama/Mixtral — feels instant
  • Custom LPU hardware
  • Great free tier
  • 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
  • Tab completion feels like mind-reading
  • Composer for multi-file edits
  • Runs Claude, GPT, Gemini — you pick
Weaknesses
  • Open-weight models only (no Claude/GPT)
  • Less flexibility on custom configs
  • Slow vs doing it yourself
  • Breaks on complex auth flows
  • $200/mo gate
  • UX is rough for English speakers
  • Queue times
  • Can feel overwhelming for non-coders
  • Expensive at scale
Kai's verdictS-tier for speed. When latency is the product, start here.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.S-tier for coding. If you write code of any kind, this pays back the $20 in a day.
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