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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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Chatbots
Research
Coding
Image
Video
Voice
Meetings
Design
Productivity
Audio
Writing
Agents
Dev Platform
Data
Marketing
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Devin
A
Granola
S
Perplexity
S
HeyGen
S
TaglineCognition Labs' autonomous coding engineer.Meeting notes that don't suck. Runs locally, no bot joins.AI search done right. Cited answers, not chat theater.AI avatar videos. Record once, speak any language.
CategoryAgentsMeetingsResearchVideo
Pricing$500/moFree + $18/moFree + $20/mo ProFree + $24-$65/mo
Best forEngineering teams offloading tickets. Ops/platform work.Founders, execs, consultants who live in calls.Replacing Google for any question where you want a cited answer in seconds.Course creators, multilingual marketers, anyone scaling video content.
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
  • Sources every claim
  • Fast, current answers
  • Pro Search runs multi-step research
  • Spaces for persistent context
  • Clone your face + voice in 2 minutes
  • Instant translation into 40+ languages with lip sync
  • Avatars look less uncanny than competitors
Weaknesses
  • Expensive
  • Best for well-scoped tasks
  • Not for solo hobbyists
  • Mac-only
  • Single-user by design
  • Not a general chatbot
  • Answers can be shallow on complex topics
  • Pricey for serious volume
  • Long shots still feel off
  • Ethics — easy to misuse
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.S-tier for search. I use it before Google now. If you're still Googling everything, try this for a week.S-tier for multilingual video. If you sell courses or speak at events, this is a cheat code.
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