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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
Stable Audio
A
Sora
A
Rows
A
Cline
A
TaglineStability AI's open audio model. Loops + SFX + background.OpenAI's video model. Long clips, cinematic quality.Spreadsheets with AI + live integrations baked in.Open-source VS Code agent. Reads + writes + runs.
CategoryAudioVideoDataCoding
PricingFree + $12/mo Pro + enterpriseIncluded with ChatGPT Plus/ProFree + $19-$89/user/moFree (open source) + your API costs
Best forGame developers, podcasters needing SFX, video creators needing background music.ChatGPT subscribers experimenting with cinematic shots.Ops teams, marketers, anyone building dashboards from multiple sources.VS Code users who want agentic coding without changing IDEs.
Strengths
  • Open-weight model available
  • Great for loops + game audio + SFX
  • Commercial-use clarity
  • Up to 20-sec clips at 1080p
  • Strong physics + scene composition
  • Storyboard feature for longer narratives
  • Remix existing videos
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • Free extension for VS Code
  • Plan + Act modes
  • Model-agnostic (Claude, GPT, local)
  • Sees terminal output and iterates
Weaknesses
  • Not for full songs with vocals
  • Shorter generation limits
  • Stricter content policy than competitors
  • Hit-or-miss on complex motion
  • Text-in-video still struggles
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Can burn tokens fast if not watched
  • Less polished than Cursor
Kai's verdictA-tier for its niche. Different use case than Suno — SFX and loops, not songs.A-tier. Amazing when it works, frustrating when it doesn't. Runway still more reliable for pros.A-tier. The most interesting spreadsheet in years. Great for ops dashboards.A-tier. Best free agentic option in VS Code. Use with Claude for best results.
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