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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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Dev Platform
Agents
Voice
Video
Audio
Research
Coding
Chatbots
Image
Meetings
Design
Productivity
Writing
Data
Marketing
Education
ChatGPT Operator
B
Groq
S
Manus
S
Elicit
S
TaglineOpenAI's browser agent. Clicks and types on websites for you.The fastest AI inference in the world. Crazy low latency.Autonomous AI agent that actually finishes tasks.AI research assistant for academic literature.
CategoryAgentsDev PlatformAgentsResearch
PricingIncluded with ChatGPT Pro $200/moFree tier + pay-as-you-go APIFree tier + $39-$199/moFree + $12-$42/mo
Best forPower users willing to pay $200/mo for a browser bot.Developers who need sub-100ms LLM responses.People who want to hand off tasks entirely — trip planning, research, spreadsheet building.Grad students, researchers, anyone doing literature reviews.
Strengths
  • Actually uses websites — fills forms, clicks, checks out
  • Built into ChatGPT
  • Good for repetitive web tasks
  • 500+ tokens/sec on Llama/Mixtral — feels instant
  • Custom LPU hardware
  • Great free tier
  • General-purpose agent — research, book, build, analyze
  • Parallel task execution
  • Web browsing + file creation + coding
  • Searches 125M+ papers
  • Extracts + synthesizes findings across papers
  • Systematic review workflow
Weaknesses
  • Slow vs doing it yourself
  • Breaks on complex auth flows
  • $200/mo gate
  • Open-weight models only (no Claude/GPT)
  • Less flexibility on custom configs
  • Still hit-or-miss on complex multi-hour tasks
  • Can burn credits fast
  • Academic-only
  • Can hallucinate citations — verify everything
Kai's verdictB-tier. Still early. Manus is more flexible for less money.S-tier for speed. When latency is the product, start here.S-tier in the agent category. The first one I'd give to a non-technical friend.S-tier for academic research. Nothing else comes close for systematic reviews.
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