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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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Flux (Black Forest Labs)
A
Groq
S
ChatGPT Operator
B
Cursor
S
TaglineOpen weights + strong photorealism. The open-source answer.The fastest AI inference in the world. Crazy low latency.OpenAI's browser agent. Clicks and types on websites for you.VS Code fork that made AI coding actually work.
CategoryImageDev PlatformAgentsCoding
PricingAPI + open weights (Schnell is Apache 2.0)Free tier + pay-as-you-go APIIncluded with ChatGPT Pro $200/moFree + $20/mo Pro + $40/mo Business
Best forDevelopers + power users who want control and privacy.Developers who need sub-100ms LLM responses.Power users willing to pay $200/mo for a browser bot.Developers. Non-developers who want to ship working code.
Strengths
  • Runs locally on a beefy GPU
  • Very photoreal
  • Best open-weight model
  • 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
  • Tab completion feels like mind-reading
  • Composer for multi-file edits
  • Runs Claude, GPT, Gemini — you pick
Weaknesses
  • Harder to use than hosted tools
  • Needs infra
  • 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
  • Can feel overwhelming for non-coders
  • Expensive at scale
Kai's verdictA-tier. S-tier if you self-host. The reason open-source image gen matters.S-tier for speed. When latency is the product, start here.B-tier. Still early. Manus is more flexible for less money.S-tier for coding. If you write code of any kind, this pays back the $20 in a day.
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