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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
Sora
A
Stable Audio
A
Elicit
S
GitHub Copilot
B
TaglineOpenAI's video model. Long clips, cinematic quality.Stability AI's open audio model. Loops + SFX + background.AI research assistant for academic literature.Microsoft/GitHub's autocomplete. Deep VS Code + JetBrains integration.
CategoryVideoAudioResearchCoding
PricingIncluded with ChatGPT Plus/ProFree + $12/mo Pro + enterpriseFree + $12-$42/moFree (limited) + $10/mo Pro + $19/mo Business
Best forChatGPT subscribers experimenting with cinematic shots.Game developers, podcasters needing SFX, video creators needing background music.Grad students, researchers, anyone doing literature reviews.Teams with GitHub already. Devs who don't want to change IDEs.
Strengths
  • Up to 20-sec clips at 1080p
  • Strong physics + scene composition
  • Storyboard feature for longer narratives
  • Remix existing videos
  • Open-weight model available
  • Great for loops + game audio + SFX
  • Commercial-use clarity
  • Searches 125M+ papers
  • Extracts + synthesizes findings across papers
  • Systematic review workflow
  • Great enterprise story
  • Works in your existing IDE
  • Chat + autocomplete
Weaknesses
  • Stricter content policy than competitors
  • Hit-or-miss on complex motion
  • Text-in-video still struggles
  • Not for full songs with vocals
  • Shorter generation limits
  • Academic-only
  • Can hallucinate citations — verify everything
  • Less agentic than Cursor/Claude Code
  • Model quality varies
Kai's verdictA-tier. Amazing when it works, frustrating when it doesn't. Runway still more reliable for pros.A-tier for its niche. Different use case than Suno — SFX and loops, not songs.S-tier for academic research. Nothing else comes close for systematic reviews.B-tier. Solid for autocomplete but the category moved past it. Pick Cursor unless you can't.
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