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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.
Pick tools (4 selected)
Dev Platform
Agents
Voice
Video
Audio
Research
Coding
Chatbots
Image
Meetings
Design
Productivity
Writing
Data
Marketing
Education
Granola
S
Devin
A
ChatGPT Operator
B
DALL-E 3
B
TaglineMeeting notes that don't suck. Runs locally, no bot joins.Cognition Labs' autonomous coding engineer.OpenAI's browser agent. Clicks and types on websites for you.OpenAI's image model. Built into ChatGPT Plus.
CategoryMeetingsAgentsAgentsImage
PricingFree + $18/mo$500/moIncluded with ChatGPT Pro $200/moIncluded with ChatGPT Plus $20/mo
Best forFounders, execs, consultants who live in calls.Engineering teams offloading tickets. Ops/platform work.Power users willing to pay $200/mo for a browser bot.ChatGPT Plus users who want images without paying extra.
Strengths
  • No bot in the call — runs on your Mac
  • Strong templates
  • Fast summaries
  • Works like an engineer — takes Slack tasks, opens PRs
  • Handles multi-hour engineering work
  • Reports back with what it did
  • Actually uses websites — fills forms, clicks, checks out
  • Built into ChatGPT
  • Good for repetitive web tasks
  • Excellent prompt understanding
  • Built into ChatGPT — no extra subscription
  • Good at composition + concepts
Weaknesses
  • Mac-only
  • Single-user by design
  • Expensive
  • Best for well-scoped tasks
  • Not for solo hobbyists
  • Slow vs doing it yourself
  • Breaks on complex auth flows
  • $200/mo gate
  • Aesthetic ceiling below Midjourney + Ideogram
  • Text rendering worse than Ideogram
  • No fine control
Kai's verdictS-tier. Category-defining UX. If you take notes in meetings, switch this week.A-tier for the right use case. Not for solo devs. If you manage engineers, try one license.B-tier. Still early. Manus is more flexible for less money.B-tier standalone, A-tier value if you already pay ChatGPT. Don't pay for it separately.
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