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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
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Replicate
S
Manus
S
Suno
S
Figma AI
A
TaglineRun any open-source AI model with an API call.Autonomous AI agent that actually finishes tasks.Prompt to full song with vocals, instruments, the works.AI features baked into the design tool you already use.
CategoryDev PlatformAgentsAudioDesign
PricingPay per second of computeFree tier + $39-$199/moFree + $10/mo + $30/moIncluded with Figma plans
Best forDevelopers using open-source models (Flux, SDXL, Whisper, etc).People who want to hand off tasks entirely — trip planning, research, spreadsheet building.Jingles, intros, demos, sketches, personal use.Designers already on Figma.
Strengths
  • Tens of thousands of models (image, video, audio, LLMs)
  • One-line API for any model
  • Cog framework for custom model deploy
  • General-purpose agent — research, book, build, analyze
  • Parallel task execution
  • Web browsing + file creation + coding
  • Real songs with real lyrics
  • v4 is very good
  • Quick turnaround
  • First drafts with Make Designs
  • Rename/rearrange layers automatically
  • Natural language asset search
Weaknesses
  • Cold starts on less-popular models
  • Pricing gets real at scale
  • Still hit-or-miss on complex multi-hour tasks
  • Can burn credits fast
  • Copyright gray zone
  • Audio quality behind studio
  • Features vary by plan + region
  • Still rolling out
Kai's verdictS-tier for open-source model APIs. The default in this space.S-tier in the agent category. The first one I'd give to a non-technical friend.S-tier in its category. The first AI music tool I'd actually listen to.A-tier. No reason not to use it if you're on Figma. Not worth switching for.
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