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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
Suno
S
Windsurf
A
TaglineThe fastest AI inference in the world. Crazy low latency.OpenAI's browser agent. Clicks and types on websites for you.Prompt to full song with vocals, instruments, the works.Codeium's agentic IDE. Cascade agent + strong free tier.
CategoryDev PlatformAgentsAudioCoding
PricingFree tier + pay-as-you-go APIIncluded with ChatGPT Pro $200/moFree + $10/mo + $30/moFree + $15/mo Pro
Best forDevelopers who need sub-100ms LLM responses.Power users willing to pay $200/mo for a browser bot.Jingles, intros, demos, sketches, personal use.Developers who want Cursor-like power for less money.
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
  • Real songs with real lyrics
  • v4 is very good
  • Quick turnaround
  • Cheaper than Cursor
  • Cascade agent for multi-file tasks
  • Solid free tier
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
  • Copyright gray zone
  • Audio quality behind studio
  • Smaller community
  • Model selection more limited
Kai's verdictS-tier for speed. When latency is the product, start here.B-tier. Still early. Manus is more flexible for less money.S-tier in its category. The first AI music tool I'd actually listen to.A-tier. Close second to Cursor. If $5/mo matters, start here.
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