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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
Google Veo
A
Reflect
A
Aider
A
DALL-E 3
B
TaglineGoogle's video model. Baked into Gemini + YouTube Shorts.AI-powered networked notes. Roam with a brain.Terminal-based AI pair programmer. Git-aware, model-flexible.OpenAI's image model. Built into ChatGPT Plus.
CategoryVideoProductivityCodingImage
PricingIncluded with Gemini Advanced $20/mo + YouTube creator tools$10/moFree (open source) + whatever API you useIncluded with ChatGPT Plus $20/mo
Best forGemini Advanced users, YouTube Shorts creators.Knowledge workers + thinkers who want AI in their second brain.Developers who want open-source tooling with full control.ChatGPT Plus users who want images without paying extra.
Strengths
  • Included with Gemini Advanced
  • YouTube Shorts native integration
  • Strong prompt understanding
  • AI auto-links related notes
  • Generates backlinks + summaries
  • Clean, minimal UX
  • Works in any terminal
  • Auto-commits changes with meaningful messages
  • Works with any model (Claude, GPT, local)
  • Minimal learning curve
  • Excellent prompt understanding
  • Built into ChatGPT — no extra subscription
  • Good at composition + concepts
Weaknesses
  • Still catching up on quality vs Kling/Runway
  • Less control than pros need
  • Expensive for just notes
  • Smaller community than Obsidian
  • Terminal-only
  • Less agentic than Claude Code
  • Setup on Windows is fiddly
  • Aesthetic ceiling below Midjourney + Ideogram
  • Text rendering worse than Ideogram
  • No fine control
Kai's verdictA-tier if you already pay Gemini. B-tier standalone.A-tier. Niche but beloved. If you've outgrown Notion, try this.A-tier. The right answer if you want open-source + terminal-native + model-agnostic.B-tier standalone, A-tier value if you already pay ChatGPT. Don't pay for it separately.
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