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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
Cline
A
Rows
A
Stable Audio
A
Luma Dream Machine
A
TaglineOpen-source VS Code agent. Reads + writes + runs.Spreadsheets with AI + live integrations baked in.Stability AI's open audio model. Loops + SFX + background.Smooth, cinematic motion. Image-to-video specialist.
CategoryCodingDataAudioVideo
PricingFree (open source) + your API costsFree + $19-$89/user/moFree + $12/mo Pro + enterpriseFree + $10-$500/mo
Best forVS Code users who want agentic coding without changing IDEs.Ops teams, marketers, anyone building dashboards from multiple sources.Game developers, podcasters needing SFX, video creators needing background music.Photographers animating stills, cinematic b-roll.
Strengths
  • Free extension for VS Code
  • Plan + Act modes
  • Model-agnostic (Claude, GPT, local)
  • Sees terminal output and iterates
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • Open-weight model available
  • Great for loops + game audio + SFX
  • Commercial-use clarity
  • Best image-to-video in the category
  • Great camera motion control
  • Ray 2 model produces striking shots
Weaknesses
  • Can burn tokens fast if not watched
  • Less polished than Cursor
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Not for full songs with vocals
  • Shorter generation limits
  • Prompt fidelity below Runway
  • Queue times on free tier
Kai's verdictA-tier. Best free agentic option in VS Code. Use with Claude for best results.A-tier. The most interesting spreadsheet in years. Great for ops dashboards.A-tier for its niche. Different use case than Suno — SFX and loops, not songs.A-tier. Best for cinematic image-to-video. Pair with Runway for coverage.
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