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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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Chatbots
Research
Coding
Image
Video
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Meetings
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Writing
Agents
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Replicate
S
Lex
A
Groq
S
Ideogram
S
TaglineRun any open-source AI model with an API call.Google Docs with an AI collaborator baked in.The fastest AI inference in the world. Crazy low latency.The one that actually gets text in images right.
CategoryDev PlatformWritingDev PlatformImage
PricingPay per second of computeFree + $12/moFree tier + pay-as-you-go APIFree + $8/mo + $20/mo + $60/mo
Best forDevelopers using open-source models (Flux, SDXL, Whisper, etc).Essays, long-form drafts, thinking on the page.Developers who need sub-100ms LLM responses.Anything with text — posters, ads, album covers, slide decks.
Strengths
  • Tens of thousands of models (image, video, audio, LLMs)
  • One-line API for any model
  • Cog framework for custom model deploy
  • Clean writing UX — distraction-free
  • +++ prompt triggers AI help
  • Collaboration + AI feedback together
  • 500+ tokens/sec on Llama/Mixtral — feels instant
  • Custom LPU hardware
  • Great free tier
  • Best text rendering in the game
  • Strong free tier
  • Good for logos, posters, thumbnails
Weaknesses
  • Cold starts on less-popular models
  • Pricing gets real at scale
  • Less feature-rich than Google Docs
  • AI ceiling below dedicated tools
  • Open-weight models only (no Claude/GPT)
  • Less flexibility on custom configs
  • Aesthetic ceiling below Midjourney
  • Less style variety
Kai's verdictS-tier for open-source model APIs. The default in this space.A-tier. Beautiful UX. The writing app I'd pick if I only wrote long-form.S-tier for speed. When latency is the product, start here.S-tier for text-in-image. Use this for posters, Midjourney for art.
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