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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
Audio
Research
Agents
Coding
Chatbots
Image
Video
Voice
Meetings
Design
Productivity
Writing
Data
Marketing
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Replicate
S
Ideogram
S
Figma AI
A
Claude Agent SDK
S
TaglineRun any open-source AI model with an API call.The one that actually gets text in images right.AI features baked into the design tool you already use.Anthropic's SDK for building your own agents on Claude.
CategoryDev PlatformImageDesignAgents
PricingPay per second of computeFree + $8/mo + $20/mo + $60/moIncluded with Figma plansAPI usage + SDK is free
Best forDevelopers using open-source models (Flux, SDXL, Whisper, etc).Anything with text — posters, ads, album covers, slide decks.Designers already on Figma.Developers building custom agents for their own company/product.
Strengths
  • Tens of thousands of models (image, video, audio, LLMs)
  • One-line API for any model
  • Cog framework for custom model deploy
  • Best text rendering in the game
  • Strong free tier
  • Good for logos, posters, thumbnails
  • First drafts with Make Designs
  • Rename/rearrange layers automatically
  • Natural language asset search
  • Production-grade agent primitives
  • Built on Claude (best reasoning)
  • Full control — build exactly what you need
Weaknesses
  • Cold starts on less-popular models
  • Pricing gets real at scale
  • Aesthetic ceiling below Midjourney
  • Less style variety
  • Features vary by plan + region
  • Still rolling out
  • Developer-only
  • You build the UI
Kai's verdictS-tier for open-source model APIs. The default in this space.S-tier for text-in-image. Use this for posters, Midjourney for art.A-tier. No reason not to use it if you're on Figma. Not worth switching for.S-tier for builders. The right primitives. What Kai is built on under the hood.
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