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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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Replit Agent
A
Cursor
S
Skye
A
Gemini
A
TaglineReplit's AI that builds + deploys full apps on their platform.VS Code fork that made AI coding actually work.An agentic iPhone home screen that replaces your static icon grid with AI widgets that proactively surface health, calendar, finance, and local context — without you having to open a single app.Google's answer. Best integrated with Workspace + free for a lot.
CategoryCodingCodingAgentsChatbots
Pricing$10-$25/mo Core/TeamsFree + $20/mo Pro + $40/mo BusinessWaitlist / Beta (pricing not yet disclosed)Free + $20/mo Advanced (bundled with 2TB Drive)
Best forTeachers, students, prototypers, hackathon builders.Developers. Non-developers who want to ship working code.iPhone power users who are frustrated that Siri is still reactive and want their home screen to actually anticipate their day.Anyone already on Google, research tasks, summarizing long documents.
Strengths
  • Full-stack + DB + auth + deploy in one environment
  • Great for teaching/learning
  • Runs everything in-browser
  • Tab completion feels like mind-reading
  • Composer for multi-file edits
  • Runs Claude, GPT, Gemini — you pick
  • Ambient, proactive intelligence delivered via native iOS widgets — no app-switching required
  • Cross-domain context: health, calendar, email, finances, and local recommendations in one layer
  • Works within iOS permission model (no jailbreak or sideloading), making App Store approval plausible
  • Strong pre-launch signal: 25k+ waitlist and backing from a16z, True Ventures, and SV Angel
  • Native Google Workspace integration
  • Very long context (1M+)
  • Deep Research feature
  • Free tier is generous
Weaknesses
  • Locked into Replit hosting
  • Less code quality than dedicated IDEs
  • Can feel overwhelming for non-coders
  • Expensive at scale
  • Still pre-launch / beta — zero proven track record and no public pricing yet
  • iPhone-only by design, which immediately locks out half the smartphone market
  • Battery drain and privacy concerns from constant ambient context scanning are real and unresolved
  • Writing quality trails Claude
  • Over-refusals on edge content
  • UI is cluttered
Kai's verdictA-tier. Best for teaching a kid to code in 2026.S-tier for coding. If you write code of any kind, this pays back the $20 in a day.The concept is genuinely compelling — turning the home screen into a living AI layer is a smarter bet than yet another chat interface — but this is vaporware until it ships publicly and we see whether Apple's sandbox lets it breathe. (Verdict pending Phi's full review.)A-tier. The Deep Research feature is genuinely useful. Don't sleep on it if you're already paying Google.
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