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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
Audio
Research
Agents
Coding
Chatbots
Image
Video
Voice
Meetings
Design
Productivity
Writing
Data
Marketing
Education
Devin
A
Granola
S
DALL-E 3
B
ChatGPT Operator
B
TaglineCognition Labs' autonomous coding engineer.Meeting notes that don't suck. Runs locally, no bot joins.OpenAI's image model. Built into ChatGPT Plus.OpenAI's browser agent. Clicks and types on websites for you.
CategoryAgentsMeetingsImageAgents
Pricing$500/moFree + $18/moIncluded with ChatGPT Plus $20/moIncluded with ChatGPT Pro $200/mo
Best forEngineering teams offloading tickets. Ops/platform work.Founders, execs, consultants who live in calls.ChatGPT Plus users who want images without paying extra.Power users willing to pay $200/mo for a browser bot.
Strengths
  • Works like an engineer — takes Slack tasks, opens PRs
  • Handles multi-hour engineering work
  • Reports back with what it did
  • No bot in the call — runs on your Mac
  • Strong templates
  • Fast summaries
  • Excellent prompt understanding
  • Built into ChatGPT — no extra subscription
  • Good at composition + concepts
  • Actually uses websites — fills forms, clicks, checks out
  • Built into ChatGPT
  • Good for repetitive web tasks
Weaknesses
  • Expensive
  • Best for well-scoped tasks
  • Not for solo hobbyists
  • Mac-only
  • Single-user by design
  • Aesthetic ceiling below Midjourney + Ideogram
  • Text rendering worse than Ideogram
  • No fine control
  • Slow vs doing it yourself
  • Breaks on complex auth flows
  • $200/mo gate
Kai's verdictA-tier for the right use case. Not for solo devs. If you manage engineers, try one license.S-tier. Category-defining UX. If you take notes in meetings, switch this week.B-tier standalone, A-tier value if you already pay ChatGPT. Don't pay for it separately.B-tier. Still early. Manus is more flexible for less money.
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