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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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S
Aider
A
Galileo AI
B
Google Veo
A
TaglineRun any open-source AI model with an API call.Terminal-based AI pair programmer. Git-aware, model-flexible.Prompt to UI design. Figma-ready outputs.Google's video model. Baked into Gemini + YouTube Shorts.
CategoryDev PlatformCodingDesignVideo
PricingPay per second of computeFree (open source) + whatever API you useFree trial + paid plansIncluded with Gemini Advanced $20/mo + YouTube creator tools
Best forDevelopers using open-source models (Flux, SDXL, Whisper, etc).Developers who want open-source tooling with full control.Designers brainstorming first drafts.Gemini Advanced users, YouTube Shorts creators.
Strengths
  • Tens of thousands of models (image, video, audio, LLMs)
  • One-line API for any model
  • Cog framework for custom model deploy
  • Works in any terminal
  • Auto-commits changes with meaningful messages
  • Works with any model (Claude, GPT, local)
  • Minimal learning curve
  • Prompt-to-UI with real layouts
  • Exports to Figma
  • Faster than hand-designing from scratch
  • Included with Gemini Advanced
  • YouTube Shorts native integration
  • Strong prompt understanding
Weaknesses
  • Cold starts on less-popular models
  • Pricing gets real at scale
  • Terminal-only
  • Less agentic than Claude Code
  • Setup on Windows is fiddly
  • Output needs designer polish
  • Pricing unclear / changes often
  • Still catching up on quality vs Kling/Runway
  • Less control than pros need
Kai's verdictS-tier for open-source model APIs. The default in this space.A-tier. The right answer if you want open-source + terminal-native + model-agnostic.B-tier. Useful for first drafts. v0 is the better bet for shipping code.A-tier if you already pay Gemini. B-tier standalone.
LinkOpen →Open →Open →Open →