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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
Google Veo
A
Replicate
S
TaglineReplit's AI that builds + deploys full apps on their platform.Google's video model. Baked into Gemini + YouTube Shorts.Run any open-source AI model with an API call.
Categorycodingvideodev platform
Pricing$10-$25/mo Core/TeamsIncluded with Gemini Advanced $20/mo + YouTube creator toolsPay per second of compute
Best forTeachers, students, prototypers, hackathon builders.Gemini Advanced users, YouTube Shorts creators.Developers using open-source models (Flux, SDXL, Whisper, etc).
Strengths
  • Full-stack + DB + auth + deploy in one environment
  • Great for teaching/learning
  • Runs everything in-browser
  • Included with Gemini Advanced
  • YouTube Shorts native integration
  • Strong prompt understanding
  • Tens of thousands of models (image, video, audio, LLMs)
  • One-line API for any model
  • Cog framework for custom model deploy
Weaknesses
  • Locked into Replit hosting
  • Less code quality than dedicated IDEs
  • Still catching up on quality vs Kling/Runway
  • Less control than pros need
  • Cold starts on less-popular models
  • Pricing gets real at scale
Kai's verdictA-tier. Best for teaching a kid to code in 2026.A-tier if you already pay Gemini. B-tier standalone.S-tier for open-source model APIs. The default in this space.
LinkOpen →Open →Open →