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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
Kling
A
Cursor
S
Grok
A
Gamma
A
TaglineKuaishou's video model. The surprise standout.VS Code fork that made AI coding actually work.xAI's chatbot. Real-time X/Twitter data + fewer refusals.AI slide decks that don't look AI-generated.
CategoryVideoCodingChatbotsProductivity
PricingCredit-based, free trialFree + $20/mo Pro + $40/mo BusinessFree + $30/mo SuperGrok + included with X PremiumFree + $10-$20/mo
Best forAnyone who wants top-tier video quality for less.Developers. Non-developers who want to ship working code.Breaking news, live event tracking, users already on X.Pitch decks, proposals, internal presentations — fast.
Strengths
  • Very strong motion + physics
  • Often beats Runway on realism
  • Great price
  • Tab completion feels like mind-reading
  • Composer for multi-file edits
  • Runs Claude, GPT, Gemini — you pick
  • Live access to X posts for real-time events
  • Less restrictive on edgy questions
  • Fast inference on Grok-3 and up
  • Strong templates
  • Decks, docs, webpages
  • Doesn't look generic
Weaknesses
  • UX is rough for English speakers
  • Queue times
  • Can feel overwhelming for non-coders
  • Expensive at scale
  • Writing quality trails Claude/ChatGPT
  • Political bias debates
  • Ecosystem is just X
  • Locked into Gamma's format
  • Export quality varies
Kai's verdictA-tier. Rising fast. If you can tolerate the UX, quality per dollar is best-in-class.S-tier for coding. If you write code of any kind, this pays back the $20 in a day.A-tier for real-time. B-tier for everything else. Worth checking when news breaks.A-tier. Best of a boring category. Use it for first drafts, then edit in Keynote if high-stakes.
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